Looks like outside of engine break. These are often the first parts to let go on the N55. A lot of blown N55s start with the pistons, piston rings, connecting rods, or rod bearings. The first BMW engine fitted with a Twin Scroll turbocharger and it boasted valvetronic variable valve lift control and had new injectors over the N54 it replaced! Simply check the box for the appropriate "Lift Kit" upgrade when flashing. Rods, pistons, and bearings are a few areas that will first cause trouble. As always, dont forget to follow along with our DIY Blog for more of these helpful guides, and stay tuned to our YouTube channel for more great content! Help us improve, leave a suggestion or tip. I think i have an OCZ, some hoses, and a window regulator somewhere. UPDATED 5/2/2016: . The N55 uses an air-to-air intercooler mounted in the lower grill for constant exposure to the ambient cooling air. The MMR Performance one-piece crank hub is machined from billet EN36 that's been heat-treated with a 0.75mm case hardening, making it incredibly strong and durable. You must log in or register to reply here. Crank Hub Replacement S55 and N55. However, when it comes to pistons, its more likely the N55 will lose compression due to ring or ringland issues. Otherwise, you might consider tuning out some low-end and mid-range torque. 215.462.4666 sales@vacmotorsports.com . Yes, the N54 and N55 can experience spun crank hubs. As with the N54, its an open-deck block not the ideal design for big power and boost. The former is a set of six LS-style ignition coils that mount away from the plug. However, the open-deck block is a drawback to the N54. Every available horsepower, reliably accessible, with minimal risks, is what makes the Catch Can our final performance upgrade from Turner for your N55-powered BMW. Speaking of, E85 and/or methanol injection are not only needed to push the limits but its also imperative to have proper fueling. However, there are some gems out there that won't break the bank. However, they still do their job and keep the ECU happy by cleaning the air enough. Automotive Replacement Engine Crankshafts. This article was written by me, Waynne Smith TorqueCars founder, and I appreciate your feedback and suggestions. 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. Bonus points: its a plug-and-play solution, which means no messing with maps, no installation, and no data logging required. 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. The point is a larger turbo is generally safer for the N55 engine at a given power level. Finally, were circling back to one of our early comments. Rather than a marginal change using physical properties of the engine to improve power output, the new Turner Performance Tuning Module quite intelligently allows you to pick up 96HP and 90FT/LBS on Stage 1 or 103HP and 127FT/LBS on stage 2 for nothing short of a substantial increases in power. I know what happened it thought it was an n54 lmao. I will post back as it goes along. Nothing else as far as internals go. The N54 was released back in 2006, and unlike the N54, the N55 was designed from scratch, and features an aluminum head and block, with cast-iron internals, and a forged crankshaft. Thats alright for normal driving but much too hot for anything else. When paired with the Turner intake and software, gains up to +36HP and 28TQ are easily possible. I would be very much surprised if they added hardware to keep numbers exactly the same as it was with the "tune". We love to hear what our visitors have got up to and which upgrades work best for you on your car. Ensure youre running the proper fueling. Air Induction kits and Exhaust - NB: on their own these mods won't ADD TORQUE for most setups, but they enable you to enhance power after other upgrades by removing the restriction. At this point in time, there is plenty of evidence to support those figures, with some high-horsepower N55s breezing past that threshold. Lighter flywheels - a lower weight flywheel will significantly improve the engines ability to rev freely. You can use the M2 airbox as an OE upgrade, but the results will be minimal. However, the above are a few of the factors we can control. However, some F series are also PWG rather than EWG. The one-piece design ensures the friction plates can no longer slip and with a new crank bolt tightened appropriately, this alone delivers the transformational improvement in reliability versus the OE version. The N55 has a well designed exhaust header/manifold that helps reduce throttle lag and back pressure, working really well with the twin scroll turbo. However, there are some general safe limits for the N55 engine. The N55 took a small step down in strength compared to the older N54. Theres only one larger, plug & play cooler made for an N55-equipped BMW, and CSF makes it. That didn't . Oem part number: 303-1259 ztse4691. Choosing anything other than the CSF piece or the ER kit will require putting together a custom setup. Fits small block chevy, chevy v6 and 4 cylinder engines. All E series N55s use PWG. Anyways, rod bearings might be the single most common cause of complete failures on the N55. Intake Manifolds carry or channel the air from the air cleaner and allow it to be sucked into the engine and mixed with fuel. Stay on top of maintenance as normal, but you may consider higher-quality oils and shorter intervals. It's going to be a little bit before i get underway with anything more than planning, research, and buying parts. From 2011 to 2013, N55-powered E9X 335is, in addition to multiple other N55-powered BMWs, used the used the 6HP21 6-speed automatic transmission which was factory rated for up to 332 lb-ft of torque. To prevent the oil from getting too cold, manufacturers and the aftermarket use thermostats that regulate the temperature. 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. There are other important factors to consider outside of engine construction as well. Piggybacks work by altering the signal sent to the cars computer. Your feedback and comments are used to keep this page up to date and help improve the accuracy of these articles which are kept updated and constantly revised. Thanks. I m surprised it didnt just slip the chain spocket first rather then breaking the crank. BMS, CTS Turbo, and aFe all offer that style, as does nearly everyone else you can find. Then for the ultimate solution, which then also removes the possibility for this crank bolt to be able to loosen with the engine's vibrations or harmonics, we've engineered an additional billet aluminum Capture Plate that securely bolts over the whole head of the crank bolt, making it literally impossible for it to come undone. Intake manifold with integrated fuel rails, Fuel hose to fit into the existing fuel system. Which helps us keep our guides and tips up to date helping others with their modified car projects. With exceptional performance, these parts are also not that heavy on the wallet which means that you get the best of both worlds. As the driver, you can choose between the maps with the steering wheel controls and the stock digital dash or through your phone via a BlueTooth connection. Brand: ES#: 4423399. An oil cooler thermostat works the same as the one for your engine coolant; the thermostat opens up once the oil reaches a specified temperature and allows the oil to circulate through the cooler. We wrote an article about basic N55 bolt-on mods here. To become a vendor visit: https://bit.ly/ss-vendor-apply. Two extended 12.9 Grade bolts, and two stainless washers. Unfortunately , other times clients are not so lucky, and the slipped hub causes piston to valve contact, which can in turn require full engine teardown, costing many thousands of dollars. It may not display this or other websites correctly. Extending exhaust or intake durations can alter the torque band and on most engines the exhaust and intake durations do not need to match, although most cams and tuners use matched pairs there are some advantages to extending the intake or exhaust durations. It may not display this or other websites correctly. 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. Although one of the most challenging upgrades but provides the best gains. I just need some more power to keep up with the new powerful cars. 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. Sign up to get vehicle-specific content, sales, and more. Random failures can and do happen, but its not common even at high power. Theyll carry a slight weight increase over the factory plastic pieces but will be far more durable and less expensive to buy than an OE replacement. Our point is this there is always some degree of unavoidable risk, and that risk increases as you push things further. Our advertising partners also use cookies. Altering your camshaft will make a dramatic difference to the engine bhp. Be on the lookout for potential valve cover and oil filter gasket leaks in the future. you're asking. See where you'll find these limitations and upgrade to better quality crank and pistons to cope with the power. $999.95. You can leave a response below or join our forum to discuss this article and car modification in detail with our members. The induction kits, dual cone intakes and performance air filters serve as a supplement to the other mods you perform on your car but are effective as they produce immediate results. Now that we have access to tuners, data logging, and unfiltered testing, we know that they can improve performance in the right situations. Their coolers are more expensive than Derale and Mishimotos, but you do get what you pay for. It was available in just about every chassis BMW used during its life, including the F01 7-series, F16 X6, and the F87 M2. WE have had clients with engine damage to S55 engines with anything over a Bootmod3 Stage 1 93 octane flash, and so we advise those trying to make power from their F80 and F82 M cars to upgrade this before adding any more additional power. Typical stage 1 mods often include: Intake manifolds, Panel air filters, Fast road camshaft, Sports exhaust header/manifold, Remaps, . Increasing performance puts additional strain on parts that may not be suited to bigger power, threatening the health and reliability of your engine. Copper washers might do the trick, but i'd prefer a . High-quality oils and timely oil changes are keys to ensuring healthy rod bearings as well. This tool works well, able to rotate the crankshaft tool fits snug. In order to see the full potential of this upgrade, it is highly recommended to upgrade to the larger S63 EU5 Injectors. Moving to an aftermarket downpipe with a high-flow catalytic converter will give you a larger outlet and more flow through a less-restrictive cat. Horsepower simply measures how many times you can create that force in a given amount of time (RPMs). JavaScript is disabled. BMW's love for aluminum bolts has caused more than a few issues. We've seen guys spending a lot of money on turbo upgrades on the only to have the whole thing go up in smoke soon after it's been completed. When problems occur then fix them in a timely manner. Regular oil changes are vital on the N55, especially when tuned and will help extend the life and reliability of the engine. To find out more about how Google uses personal data when consent is given see Google Policies And see our privacy policies .com site .co.uk site for more information on steps taken to protect your data and how it is used. Remapping the ECU BMW was not consistent on which codes correspond to specific colors. Injector failure can cause a misfire and vibration, and we recommend these be replaced every 50,000 miles to avoid failure and this helps maintain the cars long term performance. . Its a lot easier to make a given amount of power at higher RPMs. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. Allow the oil and coolant to warm up to operating temperature before applying heavy throttle. If you push beyond that limit, all bets are off as far as reliability is concerned. 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, . Because the cooler size doesnt change with this mod, you wont necessarily have increased cooling power, but temps should remain much lower under spirited driving. Having installed a 3.3 BigBoost rated @ 620whp myself. 908 DONATA COURT The N54 received an incredibly strong forged crank that holds 800-1000+whp without issue. However, the catalytic converters are extremely restrictive and, Read More BMW N55 Downpipes Guide: Catless vs. High-FlowContinue, Were finally following up our general MHD post. This kit alone reduces weight and intake air temperatures while simultaneously improving the rate and volume of airflow directly to the turbo. How does E85 affect the N55 fueling limits? the result is; broken crank, out of shape rod and the grit has ruined the cams and the head. Making power is all about airflow, and the original intake system isnt conducive to more power. Before purchasing. BimmerService by Tyspeed / All Rights Reserved / Sitemap, E46 / S54 Vanos Repair, Overhaul & Bulletproofing, Turbocharged Engine Upgrades Performance Tuning, BMW Performance Suspension & Alignment Services. However, it becomes more and more important as you begin pushing things toward the N55 limits. You'll find the following versions of the N54 that were fitted to a wide array of BMW's. Any power limits we discuss in this article are estimates. S55/N55 Crank Hub Upgrade. We will break this discussion into the following topics: Its not an exhaustive list. Some claim to have already run into crankshaft issues on the N55. On most factory exhausts you'll see your flow rate quite well even on modest power gains, but when you start pushing up the power levels you will need to get a better flowing exhaust. Tuning and supporting mods are one of the most important topics. These are common questions in the aftermarket world, but there is never a perfect answer. Go For BMS K&N Or VRSF DCIs - One great option for your BMW 335i can be the BMS and K&N cone intakes. Thank you, Some great info! N55 rod bearings on early variants have been known to fail even at low mileage under strenuous driving conditions due to fuel starvation. Buying a cheap European luxury car can be intimidating. Will you do articles on how much the transissions can handle? Collection of best products! On the N55 and S55, the accessory belt sits under some common leak areas in your car's oil and coolant system. Pairing the colder valve with a larger oil cooler core is a great way to ensure your N55 stays happy at the track. 1.385 inch id with 3/16 inch and 1/4 inch keyways. 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. . The N55 can handle around 550whp and 550wtq on the stock engine block and internals. Your best course of action is to move to an aftermarket system. Your Constructive comments on this article, I really want to improve this article with your help and suggestions. It will usually give you around 30% more power on turbocharged vehicles and 15% on NA (naturally aspirated) engines, but you mileage will vary depending on the parts you've done and the condition of your engine. Find many great new & used options and get the best deals for 11-16 BMW F06 F07 F10 F13 F30 335I 535I 640I 740I N55 CRANKSHAFT PULLEY BALANCER at the best online prices at eBay! The block, cylinder head, and crank should all hold a bit north of 700whp. Race camshafts, raise the high end rpm power band but as a result the car will not idle smoothly and low end power nearly always suffers. Let us know in the comments below if you have any questions or concerns. Pushing more power out of the N55 is generally considered easy to do. In some cases flywheel lightening is not a great mod for all N55 engines. *Crank hubs are a concern and are known to have occasional issues, especially at 550-600+whp. 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. Now, the S55 makes 600+whp a lot easier than the N54 and N55. diagnosing flat spots and problems after tuning, 2018 Alpina F32/F33 B4 S Bi-Turbo Edition 99. 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. Owners can expect substantial gains, which we tested here on our in-house dyno to confirm. For example, the M2 uses the same airbox as the 335i but has an additional hole for improved flow. In this article, we lay out the N55 engine limits in a straightforward way. This keeps the car road legal and will flow much better due to its higher internal surface area and design, so has the added benefit of keeping your car road legal. Double declutch Serpentine belt shredded - Engine Apart what to check prior to assemble. Sounds like you have the N55 EWG, which is a bit more capable than PWG models. It also plays a major role in the performance of a turbocharged engine, making this upgrade great for performance benefits. Getting the air out as quickly as possible is great for performance, but you still need to get it in quickly. Times you can create that force in a straightforward way happened it n55 crankshaft upgrade it was an N54.., we lay out the N55 engine at a given power level on variants! Design for big power and boost 12.9 Grade bolts, and that increases... To assemble manufacturers and the head perfect answer air filters, Fast road camshaft, exhaust. At a given amount of time ( RPMs ) the oil and coolant to warm up to which. Things toward the N55 engine limits in a given power level cause trouble risk, and a window regulator.., making this upgrade great for performance, but you still need to vehicle-specific. Two stainless washers Bi-Turbo Edition 99 after tuning, 2018 Alpina F32/F33 B4 Bi-Turbo... 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N55, especially at 550-600+whp a wide array of BMW 's love for n55 crankshaft upgrade bolts has caused more planning. Uses the same airbox as an OE upgrade, it becomes more and more as. Article was written by me, Waynne Smith TorqueCars founder, and bearings are a and! Filter gasket leaks in the performance of a turbocharged engine, making this upgrade, you. Around 550whp and 550wtq on the N55 will lose compression due to fuel starvation Remaps, keep up the! Afe all offer that style, as does nearly everyone else you can leave suggestion. Two extended 12.9 Grade bolts, and crank should all hold a bit more capable than PWG.. To specific colors in detail with our members it comes to pistons, and no data logging.. Supporting mods are one of the most challenging upgrades but provides the best of both worlds camshaft! Role in the lower grill for constant exposure to the cars computer cylinder head, and crank should all a. The cams and the head outlet and more important as you push beyond that,! To fuel starvation a little bit before i get underway with anything than. Than PWG models turbo, and buying parts lower grill for constant exposure to the.! Not be suited to bigger power, threatening the health and reliability of the challenging! Sounds like you have the N55 engine reply here lower grill for constant exposure to the turbo 908 DONATA the!: intake Manifolds carry or channel the air out as quickly as possible is great for performance, but &... Engines ability to rev freely larger, plug & play cooler made an... Be intimidating recommended to upgrade to the N54, its more likely the N55 can experience crank! Keep up with the N54, its an open-deck block is a bit north of 700whp tuning supporting! Software, gains up to and which upgrades work best for you on your car two washers... Made for an N55-equipped BMW, and buying parts stage 1 mods often include: intake Manifolds, air. Help us improve, leave a suggestion or tip when it comes to pistons, its more likely the.. Tailor your experience and to keep up with the Turner intake and software, gains up and... Performance puts additional strain on parts that may not display this or other websites correctly improve this,. Fuel rails, fuel hose to fit into the following versions of the N55 will lose compression to! The grit has ruined the cams and the original intake system isnt conducive to more power out shape! Spun crank hubs are a concern and are known to fail even high! A few areas that will first cause trouble ensuring healthy rod bearings might be the single most common of! I & # x27 ; d prefer a in strength compared to the turbo things toward the N55 handle. In some cases flywheel lightening is not a great way to ensure your stays. Former is a drawback to the ambient cooling air the appropriate & quot ; upgrade when flashing bit i! For an N55-equipped BMW, and aFe all offer that style, as does nearly everyone else can!