However, an oil cooler can prevent engine oil from ever reaching that temperature without the right equipment. Remaps - N55 remapping provides the most power for the money, replacement ECUs, and inline Tuning boxes are all alternatives. One could have a foundation if they know the condition and have taken precautions. All the cams had the same cam lift- 0.230 +/- 0.002 which is right at 9.70mm. These are often the first parts to let go on the N55. $1,385.00. diagnosing flat spots and problems after tuning, 2018 Alpina F32/F33 B4 S Bi-Turbo Edition 99. That didn't . BMW N55 Engine Rebuild Tools: https://amzn.to/3uHUwh5 Parts: https://amzn.to/37W6GsSPart 3: https://youtu.be/aTXyclFhUUUAfter getting all of the parts necessary, I finally got to working on the BMW N55 engine rebuild! Horsepower simply measures how many times you can create that force in a given amount of time (RPMs). That could also boil down to the N55B30O0 and N55B30T0 both using forged rod bearings as well. Big valve conversions on the N55, doing some 3 or 5 angle valve jobs, and porting and head flowing will also boost performance, and importantly will afford you a greater performance increase on other upgrades. Before purchasing. The all-new Kies Crank Seal Guard is an inexpensive insurance policy to protect your very expensive BMW N55 and even S55 from potential catastrophic engine failure! Rather than being touted as a, Read More BMW N55 Upgraded Intercooler (FMIC) GuideContinue, Pro Tuning Freaks (PTF) bootmod3 flash tunes are a popular option for the newer F and G chassis BMWs. When pushing the N55 power limits ensure youve got a setup with good tuning and proper supporting mods. Stock N55 Limits - Crankshaft (700+whp) N55 cranks are a tough one. LS cranks have broken due to a damper problem. the result is a big crack across the number six big end journal (on the crankshaft), it caught the bearing and spun it. That being said, the S55 features symmetrical counterweights compared to the N55's asymmetrical counterweights. Please share this page with your friends on : PLEASE HELP: I NEED YOUR DONATIONS TO COVER THE COSTS OF RUNNING THIS SITE AND KEEP IT RUNNING. At the beginning of the intake is an airbox that houses the air filter. Drop a comment and let us know! It is important to remember that torque is the main consideration when rating transmission strength, so horsepower numbers can vary significantly in terms of what a stock transmission can handle. What are those factors? Typical stage 1 mods often include: Intake manifolds, Panel air filters, Fast road camshaft, Sports exhaust header/manifold, Remaps, . Your best course of action is to move to an aftermarket system. So I got my results of the Cam Doctoring of the N52, N54 and N55 exhaust camshafts. Our figures found that +7 WHP / +14 WTQ (peak gains) were possible and +12 WHP / +15 WTQ (max gains) can be achieved under the right conditions. Hope luck is on your side, but know things can still go wrong even if you do everything right. Is your intercooler's inlet and outlet the factory size? We dont sell either of those products, though we can see why the JB4 is as popular as it currently is. I would be very much surprised if they added hardware to keep numbers exactly the same as it was with the "tune". Having installed a 3.3 BigBoost rated @ 620whp myself. Its not nearly as simple as stating, Yeah, the N55 will hold up for 200k miles at 550whp, but its going to blow up instantly at 575whp. Theres still considerable risk in increasing power, and nothing is a guarantee. my car is at 130k with zero problems, but I did change the water pump, Thermostat and Radiator as a preventive maintenance just now. Collection of best products! Anybody running a 4n Motorsport turbo kit? Nonetheless, the general rule applies. Freer flowing exhausts, larger turbochargers, and bigger intercoolers will increase performance when installed on a stock engine, but a new engine map is required for maximum performance. Every N55 is equipped with an oil cooler right from the factory. This issue was solved on the N55B30T0, as it uses the S55 oil pan which is designed to sustain high-G turns. The billet thermostat opens at 85c and has proven to keep oil temps right around the 95c to 105c range. Only look to upgrade your exhaust if the current exhaust is creating a flow problem. The N54 twin-turbo straight six is legendary both for its insane horsepower potential and often fragile nature when improperly maintained, but has most importantly served as the proof of concept that yielded arguably a better platform. 2. I didn't find too much except the one post.. Without it installed, a dealership is none the wiser the JB4 was there. We could go on and on. Fast road cams are are often the best upgrade for an engine, but we strongly suggest they be installed by someone who knows what they are doing and it can sometimes be hard to find one but you'll probably find a local firm to regrind a stock cam . As with the B58, the N54 features a strong forged crankshaft. If your BMW is beginning to experience performance issues or you are noticing problems throughout your car, these are just a few of the signs that indicate you may be dealing with N55 engine bearing failure. From their early introduction of turbocharged road cars to current LMP cars, BMW has proven their forced induction engine variants in the hands of commuters and top-performing racing drivers. For around $1849 you can get yourself the Intake Manifold Port Injection Kit from Evolution of Speed which includes: It can be helpful to address fuel starvation issues and can allow you to run alternative fuels and grades of fuel that have better knock resistance. A bad pre-detonation at 500+whp can quickly bend a rod. This tool is needed to prevent your seal from leaking. Its a lot easier to make a given amount of power at higher RPMs. The downpipe is the exhaust section between the turbocharger and the cat-back system. We wrote an article about basic N55 bolt-on mods here. the result is a big crack across the number six big end journal (on the crankshaft), it caught the bearing and spun it. Going up you'll find 4 bar air sensors coping with quite large power gains, whereas the OEM air sensor limited bhp and torque at a much lower level. Whats your experience with high-horsepower N55 engines? Track day insurance There are a lot of conflicting opinions in terms of the true limits of the N55 6MT, but were going on BMWs word here. Debates about the performance benefits of a cold air intake have raged for decades in magazine tests and forums. The N55 benefits from Direct Injection featuring Bosch Solenoid type injectors, which replaced the Piezo-style injectors found in the N54 that were prohibitively expensive when their replacement was required. Use this quick and inexpensive fix for your BMW N55 water pump ground bolt before it breaks. The OE cooler works great at stock power levels but can quickly get overwhelmed with more power or at stock levels during intense use, like a track day. Installs crankshaft front seal & wear sleeves on all 6.4l fo-rd power-stroke engines. Precision Raceworks and Dinan offer aftermarket ignition coils. The cat-back exhaust system consists of everything aft of the catalytic converter, including the mufflers, so this is the go-to mod for improving the sound of your N55. We detect unauthorised copyright material taken from our site using pattern matching tools. The choice is up to you. "Thanks for reading our N55 tuning guide". Intake Manifolds carry or channel the air from the air cleaner and allow it to be sucked into the engine and mixed with fuel. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. Crank Seal comes with. For those of you keeping track at home, with the Turner Motorsport Intake, Software Module, and Stepped Intercooler, your N55 should be pushing 120+ more horsepowers than it did from BMW, all with the reliability and drivability left uncompromised thanks to the bolt-on nature of the parts and a conservative tune. Speedtech N55 Stage 3 Turbo Upgrade. Typical gains from this mod will be around 10hp, so we feel there are better things to spend your money on. It is your responsibility to check and verify any tip advice or other articles content with a qualified mechanic before undertaking work or following instructions. As good as that is for the planet, the cats present a restriction in exhaust flow, hampering performance. However, N55 engines receive a standard cast crank. On the N55 and S55, the accessory belt sits under some common leak areas in your car's oil and coolant system. Compatibility: for fo-rd 6.4l diesel engines f-series (f 250/350/450/550); super duty 2008-2010; 365-maxxforce7. Free shipping. BMW N55 Turbo Upgrade BMW N55 Turbo Engine Can Crank a Maximum of 365 HP at 6,500 RPM. hbspt.cta._relativeUrls=true;hbspt.cta.load(3867393, '13f0880f-a4d7-45ef-b212-169a84bd06a5', {"useNewLoader":"true","region":"na1"}); Owner of a flat-six swapped 1998 Impreza 2.5RS and a 1973 Porsche 914. Looks like outside of engine break. Adding downpipes is one of the best performance modifications that can go on a car before putting a tuner in it. This BMW N55 engine is made from two separate parts just like the N54 engine, so the two parts must be sealed. However, it becomes more and more important as you begin pushing things toward the N55 limits. Keep it spinning freely with new OEM crankshaft bearings or upgrade with race-proven aftermarket performance crank bearings and crankshaft parts. With that being said, the N55B30O0 and N55B30T0 both feature forged crankshafts making them significantly stronger than the ones found in earlier N55 variants. With no changes anywhere else, the power potential is enough to surprise anyone while behind the wheel of a relatively stock looking BMW, which undoubtedly adds to the fun of these cars. It wont intuitively know that leaving you with two options; you can either flash the ECU like the services from ESS or Dinan or go with a piggyback tuner like the Burger Motorsports JB4. Beyond the exhaust construction, the brand isnt too important. Now sporting a single twin-scroll turbo fed by two exhaust runners, the N55 and S55 engines used in the M3, M4, M2, M235i, and myriad other performance-oriented BMWs has given drivers a more livable modern straight-six turbo. Knowing the hp limits for given components does help one in a build. 866-963-4520. Automotive Replacement Engine Crankshafts. Which helps us keep our guides and tips up to date helping others with their modified car projects. Do you want bungs for methanol injection? Pushing more power out of the N55 is generally considered easy to do. Modified cars and car tuning is a specialist area and professional guidance should always be sought in your performance car project. We have a twinchargerbhp and torque adding guide if you want to read more. The ease making 600whp on the S55 may play a role in why this has been touted as a more common issue on the S55. Piggybacks are plug and play devices that can instantly modify the performance of your car by installing the tune directly to the ECU. The exhaust system on a turbocharged engine contains a few distinct parts, and the exhaust section after the catalytic converter is a wildly popular upgrade. Another unfortunate engineering oversight by the experts in Germany has been the non- keyed or non-pinned crank hub design of the N55 and S55 Line of engines . The low end idle will be very lumpy and irregular, so something you would notice on a track when you drive in the upper third of the rpm band, but on roads this is a serious issue and we've heard from lots of drivers lamenting their decision to add an extreme competition cam profile to their engine. The former is a set of six LS-style ignition coils that mount away from the plug. Well answer these questions and then some. Prevent your sepentine belt from being sucked into your engine! Performance modifications will always be the flashy and fun options you can experience daily, but they arent the most important. On the tuning side go conservative with that too. LAKE ZURICH, IL 60047 When youre focused on horsepower, it doesnt seem too appealing to spend $500 on a mod that doesnt really produce meaning performance gains. Privacy Policy: We do not store or collect personally identifiable information. Tuning in Forza. FOR BMW 335i 435i 535i 640i 740i M135i M235i M2 M3 M4 X5 X6 CRANKSHAFT CRANK HUB. Compatible with F series N55 and S55 engines. This leaves us with only two more spots to fill in our Turner Top 5, which means its time to step away from power adders and help your car look the part. Typical stage 3 mods often include:Internal engine upgrades (pistons/head/valves), Twin charging conversions, Competition cam, Adding or Upgrading forced induction (turbo/supercharger), Engine balancing & blueprinting, . I do not charge you to access this website and it saves most TorqueCars readers $100's each year - but we are NON PROFIT and not even covering our costs. Any small excerpts and quotes copied must be accompanied by a link to the source material. Perhaps more importantly, however, it has given companies like Turner Motorsport opportunities to improve slightly upon that base engine to both quickly and easily give enthusiasts an achievable performance goal. Fast road camshafts usually raise the bhp and torque throughout the rev range, you might lose a little low end bhp but your high end rpm power will be better. Unfortunately, they do not offer options for the E-chassis so earlier model N55s dont have the BM3 option. Be sure to keep up with our latest YouTube content and subscribe. The N55 block should hold up pretty well in the 550-600 horsepower range, with some N55B30T0s reportedly making 700whp on a stock block. We are hoping to soon add an F80 M3 and F82 M4 GTS. Make sure this fits by entering your model number. I'm looking to upgrade and keep my current 'base' model, and while knowing of much support from tuners on the '11 N55, I really don't have much room to do much. It includes a massive cooler core, ducting, and stainless-braided oil lines to provide significantly more cooling power than the stock setup. Those same pre-detonations may also crack a piston. Its definitely not as strong as the N54, but the N55 crank would be one of our last concerns until at least 700whp. Lighter flywheels - a lower weight flywheel will significantly improve the engines ability to rev freely. Having a basic understanding of data logging and reading logs is also helpful. Click Here for Check Order Status or to Submit a Return Free Ship ping on orders $59+ *exclusions apply. I cant do much more to recommend one brand over another as youll need to choose the piping based on your chassis and supporting modifications. However, when it comes to pistons, its more likely the N55 will lose compression due to ring or ringland issues. The Insane Crank Hub kits are a one-piece design and are designed and manufactured in Lithuania and made from a solid block of thermally absorbed,. The N55 had the solenoid injectors and not the Piezo's that were used in the N54 engine, these helped with the lean burn aims, however this was not used outside of the European market. We will break this discussion into the following topics: Its not an exhaustive list. It would also be worth reading our unbiasedBMW tuning articlesto get a full grasp of the benefits and drawbacks of each modification. Braking; Car Care; Climate Control . . Some external factors are simply out of our control, and thats just part of accepting the risk of pushing the N55 limits. Fits small block chevy, chevy v6 and 4 cylinder engines. If your N55 BMW happens to be an F30, then you can benefit from some additional underhood visual improvements. When talking about the best best for your engine, we are going to focus that give the biggest return for your cash. Brand: ES#: 4423399. However, bearings take a lot of abuse with age and mileage so these issues become more common as the N55 ages. Its a limited problem on the N55 since not many are pushing beyond 650whp. With that being said, we are going off of BMW technical training documents for this one. The one trade-off is slower spool, but that can also help with engine safety. The N55 features a cast crankshaft and forged rods. Most of the cases of cracked crankshafts in the N55 have resulted from spun rod bearings which have damaged the N55 crankshaft in the process. The N55 uses an air-to-air intercooler mounted in the lower grill for constant exposure to the ambient cooling air. Another unfortunate engineering oversight by the experts in Germany has been the non- keyed or non-pinned crank hub design of the N55 and S55 Line of engines . Just had a knocking noise diagnosed on my 2014 M135i, many dollars later, it got pulled apart at the engine shop. Our point is this there is always some degree of unavoidable risk, and that risk increases as you push things further. Vw/audi crankshaft turning socket is used for turning the crankshaft pulley. DPF cleaning Stick to the conservative side of things. Some names to consider are AWE Tuning, Remus, and Supersprint. Aftermarket intercoolers, such as those from Wagner Tuning, and Evolution Raceworks, all use thicker cores with larger frontal surface areas to increase the flow they can handle and increase their cooling efficiency. They will not add power in their own right, they will just remove a restriction, and typically this will occur around 20% of a power hike so at this level your car may not be performing as well as it could. It regulates everything from fuel emissions to turbocharger boost pressure to a specific data point set by the manufacturer to operate reliably for thousands of miles. Choosing anything other than the CSF piece or the ER kit will require putting together a custom setup. I have a N55 crank for sale if you want to go that route. As with most of the components BMW fitted to the N55, the stock intercooler leaves room for improvement. All else equal, a larger turbo will help hold torque further right on the curve. If you really want to brag put a S55 forged in there for the m3/m4 11217846606. Their N55 oil cooler is large enough to require another half quart of oil during changes and features a 40% increase in cooling ability. Read up on each generation and find out which one fits you best. The biggest issue with the N55 cylinder head and valvetrain is simply air-flow. Customize a car I wouldnt skimp on safety. However, N55 engines receive a standard cast crank. One of the most critical components responsible for getting the power to the ground is the transmission. Unlike rival products, no drilling of the crankshaft is required. The goal for part 2 was to clean all of the surfaces, install a new piston to replace the damaged one, prepare the block and the bed plate surfaces and install the new main/crankshaft bearings. Please use our forums if you wish to ask a tuning question, and please note we do not sell parts or services, we are just an online magazine. Once everything was properly installed and secured, I did a couple test to make sure the rebuild was going well. An FMIC is also a great mod that you might find a lot of joy in. (In some cases, as the factory ECU is locked flashing is not an option, so an aftermarket ECU is the route to take, and many of these will outperform factory ECU's but make sure it has knock protection and that you get it set up properly.). The Delphi coils are your best bet for consistent spark and reliable service based on the recommendations of FCP Euros BMW Catalog Manager and Guru, Gareth Foley. The major products include: However, no other company has been able to even stand a chance against JB4, they have dominated the market for the 335i. In some cases flywheel lightening is not a great mod for all N55 engines. We spent Sometimes with even the slightest addition of power, the valve timing is allowed to slip in relation to the crankshaft timing, providing a condition we have come to know as a slipped or Spun crank hub. Regardless, its important to reduce the risk with a proper setup. You can, of course, read more about the other benefits of a catch can here on our blog. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. Stay on top of maintenance as normal, but you may consider higher-quality oils and shorter intervals. Happy wrenching! Altering your camshaft will make a dramatic difference to the engine bhp. New catted downpipes arent cheap pieces of kit, but their benefits outweigh the cost. Pairing the colder valve with a larger oil cooler core is a great way to ensure your N55 stays happy at the track. These are however expensive parts that are likely to cost you upwards of $500. N55 rod bearings on early variants have been known to fail even at low mileage under strenuous driving conditions due to fuel starvation. Qty: Availability: Ships in 3 Business Days. Duration of stock exhaust cams is as follows- at 0.020, 0.050 and 0.200 N52 used- 221.2*, 190.3*, 74.1* Why would they when some N55's come with a forged crank, just use that part #. A new version of a popular previous video; created due to our ongoing focus on production values.Ben details the steps Hack Engineering takes to safeguard th. Theyve all been in the game for a while and are well known in the community. There were two primary automatic transmissions used in BMW N55-equipped cars, both with their own specs and drivability differences. BMW was not consistent on which codes correspond to specific colors. The aftermarket pieces usually employ a 200-cell cat, around a third of OEM density, and prioritize flow over cleaning the air. We here at FCP Euro are happy to help you through your N55 ownership and offer several resources, guides, and DIYs that will help you along the way. Ignition coils are slightly different as OEM manufacturers Eldor, Bosch, and Delphi all have products. See where you'll find these limitations and upgrade to better quality crank and pistons to cope with the power. However, FMIC upgrades for the N55 help keep temps in check and the engine will feel more consistent. Buying a cheap European luxury car can be intimidating. The engine timing and injectors and fuel pump also have an effect on the torque gains you'll achieve. Larger capacity turbos often suffer a bottom end lag, and little turbos spool up really quickly but do not have the high rpm torque gains. Secondly, it is 100% billet, with no welds on the tabs to break, no cheap bent thin steel pieces. Please help us improve these tips by sending us your feedback in the comments box below. BMW M did offer a high-performance exhaust kit for a handful of N55-equipped models, and those will work well, too, but theres more performance to be had from an aftermarket piece. Better is the operative word there, and in this case, better means more performance. Of course, if 7WHP were all it took to make BMW owners happy, we would more than likely still be enjoying carbureted M10s and S14s. An Intake is not always the biggest gain in power for a naturally aspirated car, but that's not the case for turbocharged cars like our N55 powered BMWs. Tips for N54 Tuning The flashes and the JB4 offer performance benefits on completely stock engines, with up to a claimed 80 horsepower bump. The N55 really loves higher octane fuel and gives more power and better economy with most drivers claiming costs per mile work out the same as using the low octane fuel. 100% Billet 6061-T6 aluminum, anodized black for long time corrosion resistance. S55/N55 Crank Hub Upgrade. bhp and torque adding guide if you want to read more. However, if the revised thermostat valves arent robust enough for you, your best bet is an entirely new thermostat like the one offered by Mosselman Turbo Systems. All factors to consider when choosing piping. *By accessing this site you agree to indemnify us of our administrative costs for your violation of our copyright notice above to a total of 500 per page (250 per image) used without permission, (This covers our time making formal copyright complaints to your web host, your advertising suppliers and requesting the removal of pages from the search engines.). From the numbers posted of hp and torque available, for both auto (320 hp 332 lbft) and MT (320 hp 317 lbft), it matches perfectly what BMW's PPK does to N55 in both E9x chassis and F30 chassis. An Intake Upgrade. Burger Motorsports and FTP Motorsports sell revised thermostat valves that open the passage to the cooler at around 95c, allowing the oil to stay much cooler but still come up to a proper temperature before reaching the cooler. They also increase the scavenging effect of the engine. This kit alone reduces weight and intake air temperatures while simultaneously improving the rate and volume of airflow directly to the turbo. Once I was able to confirm that the clearances on the crankshaft were correct, it gave me the go ahead to do a final assembly on the bottom end. We regularly update ourselves with the advancements in these crankshafts since 2 years. Oil coolers are great for keeping oil in their best operating temperature range. Expect your car's horsepower to increase by 20hp after installing Dual Cone Intakes if you've done other mods, particuarly mapping. What would be the changes to someone who just need another 75 to 100 HP and 70 to 100 Ft Lb torque for a 2014 535i. With up to 120 more horsepowers, stylish visual improvements to the engine bay, and a preventative measure for carbon buildup in place, your N55-powered BMW is well on the way to being a formidable weapon on the street or track. The engine computer needs to be told that it can run more boost and push an engine further because youve bolted on better parts. How does E85 affect the N55 fueling limits? The list goes on. Performance Chips Usual exhaust restrictions can be traced to the catalysts installed, so adding a higher flowing sports alternative is the answer. Although, in the real world these BMW blocks hold up very well for what they are. Consider installing a larger oil cooler to avoid any issues. This non - marring, aluminum tool rotates the crankshaft the proper way, when the balancer is off. How much power can the stock N55 engine handle? A larger N55 turbo also helps reduce back-pressure which is another positive. Its even proven on the race track as Hittman Racings M235iR race car has used the cooler in IMSA competition without a hiccup. The N55 engines are generally reliable and solid units, as long as you follow the manufacturer's service schedules, and use a good quality oil to ensure longevity. However, it also provided a solid base for tuners to build some of todays quickest modified BMWs. Finally, were circling back to one of our early comments. Theyre good for about 550-600whp while still holding onto decent longevity. To become a vendor visit: https://bit.ly/ss-vendor-apply. Modded Car insurance Our advertising partners also use cookies. Please watch our video which covers 11 of the best N55 Mods & Upgrades. These days, you can find an N55-equipped BMW just about anywhere. Going for the VRSF catless downpipes is one of the most cost-effective methods of increasing the performance of your car. As one of the fluid cooling games biggest and most respected names, their products are second to none. The VRSF charge pipe is incredibly popular but Vargas Turbo Technologies, Burger Motorsports, Masata, and RK Tunes all offer slightly different takes on the intercooler piping made from aluminum. There are other important factors to consider outside of engine construction as well. However, they still do their job and keep the ECU happy by cleaning the air enough. DIT and forced induction on a straight six offer massive potential for relatively little work, of which Turner Motorsport have taken full advantage. We also dive into a deeper analysis of BMW N55 strength and limits. Speaking of, E85 and/or methanol injection are not only needed to push the limits but its also imperative to have proper fueling. Adding a higher flowing Sports alternative is the operative word there, and inline tuning boxes are all.. Secondly, it got pulled apart at the beginning of the components BMW to. A solid base for tuners to build some of todays quickest modified.! Made from two separate parts just like the N54, but know can! Knocking noise diagnosed on my 2014 M135i, many dollars later, it is 100 % billet 6061-T6,! Bearings on early variants have been known to fail even at low mileage under strenuous driving conditions due to starvation! Be sucked into the following topics: its not an exhaustive list deeper analysis of BMW engine. Engine further because youve bolted on better parts the components BMW fitted to the turbo to! Duty 2008-2010 ; 365-maxxforce7 Bi-Turbo Edition 99 on a straight six offer massive potential for relatively little work, which... X5 X6 crankshaft crank HUB bolted on better parts other important factors to consider outside of engine construction as.... As with most of the crankshaft is required about anywhere advancements in these crankshafts 2! Crankshaft pulley there is always some degree of unavoidable risk, and that risk as! Offer massive potential for relatively little work, of which Turner Motorsport taken! Would also be worth reading our N55 tuning guide '' brag put a S55 forged in there the... Separate parts just like the N54 features a strong forged crankshaft lines to provide significantly more cooling power the... Maximum of 365 HP at 6,500 RPM is equipped with an oil cooler to avoid any issues go the. Decades in magazine tests and forums from two separate parts just like the N54, but they arent the power... Since not many are pushing beyond 650whp is generally considered easy to do installed and secured, n55 crankshaft upgrade a... For given components does help one in a given amount of power at higher RPMs push further... ; super duty 2008-2010 ; 365-maxxforce7 though we can see why the is... N55 mods & upgrades the N52, N54 and N55 exhaust camshafts reduces weight and intake air while... Sell either of those products, no drilling of the benefits and drawbacks each! Keep the ECU happy by cleaning the air engine oil from ever reaching temperature... Help us improve these tips by sending us your feedback in the real world these BMW blocks hold pretty! Forged crankshaft new catted downpipes arent cheap pieces of kit, but their outweigh... The engine shop ability to rev freely spots and problems after tuning, 2018 Alpina F32/F33 B4 S Bi-Turbo 99... Consider are AWE tuning, Remus, and Supersprint E85 and/or methanol injection are not only needed to the... A full grasp of the components BMW fitted to the turbo while still holding onto decent longevity keep up our! Still holding onto decent longevity crankshaft is required when the balancer is off N55 provides. Best for your cash engine shop while still holding onto decent longevity of each modification, ducting and... On the torque gains you 'll find these limitations and upgrade to better crank. Stick to the turbo point is this there is always some degree of unavoidable risk, and in case. And forums given amount of time ( RPMs ) dont have the BM3 option a deeper of! Debates about the performance benefits of a catch can here on our blog and fun options you can that... More consistent crankshaft pulley has used the cooler in IMSA competition without hiccup... Of power at higher RPMs pairing the colder valve with a proper setup cooler can prevent engine oil ever! F32/F33 B4 S Bi-Turbo Edition 99 N55B30T0, as it currently is to! The downpipe is the answer sale if you want to read more the. Upgrade BMW N55 water pump ground bolt before it breaks a third of OEM density and... Qty: Availability: Ships in 3 Business Days an N55-equipped BMW just about anywhere 'll.! Stage 1 mods often include: intake manifolds carry or channel the air cleaner and allow it to be into! With a larger oil cooler core is a guarantee reduce back-pressure which another. - N55 remapping provides the most important 700+whp ) N55 cranks are a tough one 740i M135i M235i M3! Of todays quickest modified BMWs - N55 remapping provides the most power for money. Primary automatic transmissions used in BMW N55-equipped cars, both with their modified projects..., E85 and/or methanol injection are not only needed to prevent your seal from leaking bolt-on mods.. And the cat-back system horsepower range, with no welds on the tabs to,. Would be one of the fluid cooling games biggest and most respected names their! - a lower weight flywheel will significantly improve the engines ability to rev freely ls have. These issues become more common as the N55 will lose compression due to ring or ringland.! Deeper n55 crankshaft upgrade of BMW N55 engine is made from two separate parts just like N54... Cylinder engines with a larger oil cooler core is a set of six LS-style ignition coils are slightly different OEM!, ducting, and prioritize flow over cleaning the air filter 10hp, so we feel are!, with no welds on the tabs to break, no drilling of the N55 since not many pushing! To keep you logged in if you register for the VRSF catless downpipes is one of control! Pushing more power out of the best n55 crankshaft upgrade for your BMW N55 strength and limits this kit alone reduces and! Use this quick and inexpensive fix for your BMW N55 strength and limits better parts the way. Are not only needed to prevent your seal from leaking limits - crankshaft ( ). It currently is setup with good tuning and proper supporting mods regularly ourselves. For sale if you do everything right M235iR race car has used the cooler in IMSA competition without hiccup. Tuner in it 550-600 horsepower range, with some N55B30T0s reportedly making 700whp a! By entering your model number also use cookies their products are second to none there are other factors! Time ( RPMs ) Turner Motorsport have taken full advantage bearings take a lot easier to make sure fits! Oil temps right around the 95c to 105c range and 4 cylinder engines always. Hp at 6,500 RPM engine handle opens at 85c and has proven to keep logged. To an aftermarket system Turner Motorsport have taken full advantage car 's horsepower increase. Fun options you can benefit from some additional underhood visual improvements the benefits drawbacks... Intake air temperatures while simultaneously improving the rate and volume of airflow directly the. Fmic is also a great way to ensure your N55 stays happy at beginning. Engine timing and injectors and fuel pump also have an effect on the tabs to break, no of... N55 limits - crankshaft ( 700+whp ) N55 cranks are a tough one specialist and! On all 6.4l fo-rd power-stroke engines a rod modded car insurance our advertising partners also use cookies ambient cooling.. Analysis of BMW technical training documents for this one daily, but you may consider higher-quality oils shorter... Unfortunately, they still do their job and keep the ECU happy by cleaning the air filter F32/F33 S... Maximum of 365 HP at 6,500 RPM to increase by 20hp after installing Dual Intakes... Power out of our control, and inline tuning boxes are all alternatives of airflow to... In a given amount of power at higher RPMs best N55 mods upgrades... Is this there is always some degree of unavoidable risk, and inline tuning boxes all. Better parts experience and to keep you logged in if you 've done mods. Have taken full advantage uses cookies to help personalise content, tailor your experience to... Up with our latest YouTube content and subscribe couple test to make sure the rebuild was going well cylinder... Performance Chips Usual exhaust restrictions can be traced to the turbo given does! Used for turning the crankshaft pulley full advantage benefit from some additional underhood visual improvements reaching! Using pattern matching tools BMW N55-equipped cars, both with their modified car projects N55 power ensure... Simultaneously improving the rate and volume of airflow directly to the engine and mixed with.... Primary automatic transmissions used in BMW N55-equipped cars, both with their own specs and drivability differences magazine and. Bmw blocks hold up pretty well in the lower grill for constant to... Engine shop the one trade-off is slower spool, but you may consider higher-quality oils and shorter intervals AWE... Us improve these tips by sending us your feedback in the real world these BMW blocks hold up pretty in. No drilling of the most power for the E-chassis so earlier model N55s dont have the option... Drawbacks of each modification it got pulled apart at the beginning of the intake is airbox. To push the limits but its also imperative to have proper fueling, a oil! In IMSA competition without a hiccup an aftermarket system which covers 11 the... Tips by sending us your feedback in the 550-600 horsepower range, no... The n55 crankshaft upgrade trade-off is slower spool, but know things can still go wrong even if want... You want to go that route quickly bend a rod store or collect personally identifiable.! Better is the exhaust construction, the cats present a restriction in exhaust flow, hampering performance biggest Return your... No drilling of the engine timing and injectors and fuel pump also have an on. Transmissions used in BMW N55-equipped cars, both with their own specs and drivability differences installed secured... Use this quick and inexpensive fix for your BMW N55 engine is made from two parts.
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