N54 Boost Leak

Uprated wastegate flappers fitted to get rid of annoying rattle sound. had oil changed and timing belt done in June 2019 The BMW has a small coolant leak. On the plastic valve cover motors (N52, N54, N55) the factory PCV system isn't very robust and tends to fail. Charge Pipe Injection or extra injector from Fuel-It! for BMW N54, N55 controlled like any other injector based on boost, RPM, etc. For example, a failed vent valve often caused a Check Engine light with the code P0455 Evaporative Emission Control System Leak Detected in some Nissan and Infiniti vehicles. Each VRSF charge pipe is finished in a durable wrinkle black powdercoated finish that blends in perfectly with the engine bay. Couldnt stop the limps. Below you can see the inlet plugged with 1 1/2" fittings. The BMS vacuum side N54 OCC works in conjunction with our world famous boost side N54 OCC to prevent engine oil and PCV gunk from coating your intake valves and hurting engine efficiency under engine vacuum operation. Our Charge Pipe is available in the same 3 finish options as our intercoolers. Looking for E60 5-Series manuals, mods or service advice? We've got you covered with a comprehensive series of articles designed to keep your E60 engine, suspension and body up to spec for years to come. Car was driving on jb4 but now it's completely disconnected from car to prevent errors. BMW N54 30FF Underboost Code – Boost Leak Testing – DIY. Mine held to 12 psi B4 rear turbo inlet started hissing. See Our Boost Leak Tester In Stock Now. 0L, BMW E90 335xi N54 3. M4 Performance Boost Pipes. Air leaking ,into, your car—not out of it—can be a problem. EVERY N54 got turbo problems, water pump , oil pan gasket, fuel pump and fuel injectors. 37 thoughts on " What Causes a Turbo To Blow, Leak, or Burn Oil? Find Out HERE! " Dr. I made a boost leak tester which showed me one boost leak, but even when that was fixed, the boost level didn't change. Some people call it the ‘2JZ’ of German engines, but we think the N54 is on a whole new level. However it's always wise to check the low side pressure on the n54 engine. 1 Series E88 135i N54. Recalls and faults: BMW E90 3-Series Sedan (2005-11). 2015 WRX boost leak test questions. So all good interms of the Vacuum solenoid test. 0L, BMW E92 335is N54 3. Leaky Fuel Injectors. It is going to keep the turbo healthy by eliminating leaks in the boost path and not allowing it to over speed compensating for a boost leak. The common complaints/issues are: wastegate rattle (annoyance but may cause boost issues), oil leaks from the oil lines, oil leaks inside the turbo housing, and water leaks from the coolant lines. boost leak Another very common thing to blame is a Boost Leak. Looking for E60 5-Series manuals, mods or service advice? We've got you covered with a comprehensive series of articles designed to keep your E60 engine, suspension and body up to spec for years to come. Uprated wastegate flappers fitted to get rid of annoying rattle sound. Water has a high latent heat content, which makes it extremely effective at preventing the onset of detonation. They told me that they had a smoke machine that they would do the test with to find where the leak was coming from. It's not uncommon to need service work done on the N54 turbos within 70,000 miles. Wastegates are one of the most commonly misunderstood pieces of the turbocharging puzzle. It's about time we dove into the crowded N54 tuning market and see what the N54 is all about. 0t) Charge Pipe For Bmw E82 135i E92 E90 335i High Quality,335i,E92,Charge Pipe from Other Auto Cooling System Supplier or Manufacturer-KAYO PRODUCTS CO. Do a boost leak test first before ripping stuff apart in your engine area. 0L, BMW E88 N55 3. the vehicle going into "Limp mode", excessive wastegate rattle. Factory diverter valve sound baffle, which causes turbulence in the factory pipe, is removed. I did a boost leak test by pressurizing the turbo inlet with a compressor and the hose going to the PCV hisses away if it is not connected to the PCV. 3) Fit the manifold onto the exhaust down-pipe by feeding the studs through the holes on the sliding bracket on the pipe. One that operates under no/low boost (from intake vacuum to low boost) and a second that operates when the intake system is under actual boost (pressure in the intake system). This creates an EVAP system leak and triggers the Check Engine or Service Engine Soon light. Includes model range, engines, transmissions, safety equipment, crash testing, features and updates. First of all, a quick review of how a wastegate works. Hi Love your mods , you gave me som ideas what to do with mine full loaded 09 x5 d35. Since, it is now part of the new revised diverter valve charge pipe, it could not be removed. The parts list has color coded letter labels to match the diagram. Here's a quick vacuum line fix that solved a lot of problems for me. VR Speed Factory did it again with another great part for the n54 now to install there innercooler tm or sat. However, I don't think it's building boost because the engine simply isn't putting out enough power. The N55 replaced the BMW N54 engine and was introduced in the F07 5 Series Gran Turismo. N54 wastegate vale control issue 30ff code Hi a got issue with my 2007 e93 engine 335i n54 230tkm new vacuum hoses rebiulded turbocharges. The N54 (and most late-model turbocharged engines) employs two PCV circuits. If you have a leaking brake vacuum you will probably have two noticeable symptoms 1: Your brake pedal may feel a little stiffer and be harder to push 2: Your engine can have a rough idle and sometimes stutter… or even stall out. If nothing else, fix the vacuum leak, clean it up a little, and you could probably sell it for upwards of 7k without much trouble. after smoke test i realized a crack in the valve cover. Install the testers in each pipe and pressurize the system using the tire schrader with your tire inflation tool. Then I began to swap all the oil and coolant lines over to the MMP turbos but ran into a bit of an issue. 2 washers was enough to get the wastegate to close in the specified range. Boost leak test found a very small leak in the cold side charge pipe off the FMIC. They cannot be put in after the manifold is mounted. Couldnt stop the limps. My car's boost kept getting lower and lower, ultimately ended up around 3psi when it should have been 13. We have strong knowledge. Oil usage in the BMW N54 twin-turbo 6-cylinder engines is quite common. Then again, I tend not to use my right foot aggressively. Looking for the right Boost Leak Tester today? Find your next Boost Leak Tester and other auto parts and accessories for sale on Ebay today. Don’t go leak hunting if a turbo inlet is leaking @ 10 psi. This is a very viable option to this issue since the fluctuation you see (example) 20-15psi 15-20psi 20-15psi and so on. The rounded front face of the cooling bars allows for better airflow. Full instructions with pictures. 0-litre motors. This is NOT a boost leak but the weakest joint in this test method. The OEM plastic PCV valve does not hold pressure well even when brand new. The Kompact BMW Kit is a performance bolt-on replacement for the factory plastic bypass valves offering greater boost response and no leaks. Isnt the cold side of the IC the driver side (In the states anyway). Splits are hard to find sometimes without simulating boost with compressed air. To lock in a leak-free seal, we include a brand new o ring with each N55 charge pipe kit. WE ARE BMW N54 TWIN TURBO PETROL 135i, 335i, 535i, Z4 X6 35i, 740i SPECIALISED GARAGE. I did a quick look to check for any boost leaks. The subframe was filthy from the oil pan gasket leak, so I cleaned it. Whether it's worn or whether you have issues with your power steering fluid, learn about all of the possible causes and how to go about fixing them. Pull-Type blow off valves will work for any turbocharged vehicle, from stock to highly tuned. ,,,,you might see your electro control boost valve covered in oil,,,,that. with the n54. It calculates/infers it based on other values mentioned. The least expensive online catalog for all your Boost Leak Tester needs. Available for N54 twin turbo Replace your worn out original valve with this direct replacement to eliminate a potential boost leak in higher horsepower applications. One that operates under no/low boost (from intake vacuum to low boost) and a second that operates when the intake system is under actual boost (pressure in the intake system). 37 thoughts on " What Causes a Turbo To Blow, Leak, or Burn Oil? Find Out HERE! " Dr. Even on vehicles with a lot of aftermarket performance parts, this fault almost always means either there is a boost leak, or mechanical problem with the boost control solenoid. Guy thinks he has a boost leak. It also won three straight Ward's 10 Best Engines awards in 2011-2013. The first and most common sign is loss of power or misfiring due to the wastegate failing. the vehicle going into "Limp mode", excessive wastegate rattle. You lay the hammer down, but notice the car doesn't have what it used to. BMW N54 Valve Cover Gasket; BMW N54 Valve Cover. First of all, a quick review of how a wastegate works. Leaky Fuel Injectors. They told me that they had a smoke machine that they would do the test with to find where the leak was coming from. If you have a leaking brake vacuum you will probably have two noticeable symptoms 1: Your brake pedal may feel a little stiffer and be harder to push 2: Your engine can have a rough idle and sometimes stutter… or even stall out. Don’t go leak hunting if a turbo inlet is leaking @ 10 psi. Manufactured in Aluminium tube with CNC machined couplers. H3100 - boost-pressure control, deactivation. Oil temperature is the Achilles’ Heel of the N54 engine in the road racing arena. I thought that I had forgotten how slow the car was with stock boost levels and waited for the JB4 to turn on before I really put it to the test. I provided a writeup that explains the how and why of boost leak testing. 0 inch pipe made from 304 stainless steel and designed to handle higher then stock boost levels with no leaking. 353 to 375 was inlets only, 397 was new backend and some tuning and a little more boost. The N54 is an open deck design which holds up very well but at higher horsepower and torque levels will run into issues. Smoothed formed mandrel bent aluminium single piece pipe work with hand TIG welded coupler providing an unrestricted internal flow. -Do NOT under any circumstance run any other fuel pump, especially not a 340/400LPH pump as this will over power the regulator system. The amount of boost pressure this canister sees is regulated using the boost control solenoid which is controlled by the ECU and the tune running on the motor. 2007-2012 BMW 135i/335i/X1 N54 & N55 Street Intercooler Upgrade Kit Replace your overheated factory intercooler with the VRSF upgraded intercooler kit to get the most out of your N54/N55. Carbon Build-up. CSI Automotive Sales, Service & Parts. That one blew in July 2015 — just 2 years later. So i guess best case a vacumn/boost leak somewhere, worst case the wastegates are worn and i either have to try to manually add more preload on the actuator rod or its new turbo time. Why your BMW N54 NEEDS a BOV Upgrade NOW Nick May 2, 2017 When BMW was producing the N54 Twin Turbo I-6 engine , for all its greatness, there are a few parts of the stock motor that are really the Achilles heel of the car - namely the N54's chargepipes and diverter valve. Water Pump Failure. Vacuum pump N54 and N55 Posted on February 22, 2016 by bmwtechnician Here's a picture of a vacuum pump on a N54 and N55,,,we have noticed that he small vacuum fitting will start to pump some oil through the vacuum line,. Whereas the Rear Main Sealer is specifically formulated for only a leaking rear main seal. I bought my 335i last September and so far I have only done a few thousand kms in it. If unmetered air is being sucked in, you can expect leaner AFR's. This coincides with a P2178 too rich at off idle code, which reappears after roughly 40 miles of driving every time I reset the battery. Increase throttle response and decreases turbo lag. The oil will actually coat everything on its way back to the combustion chamber. The recall is expected to begin December 5, 2016. More often if tuned. In this instance I have the Pure inlet tube but it should be the same procedure for the stock inlet tube. To lock in a leak-free seal, we include a brand new o ring with each N55 charge pipe kit. Where are the places it will leak. 2009 BMW 135i n54 for sale. CSI Automotive Sales, Service & Parts. Since one of the reasons for changing out the factory diverter valves was to prevent boost leaks (from prematurely opening on high boost), causing boost leaks while upgrading the diverter valve would be counterproductive. You start to panic, afraid that something terrible is wr. 0 liter turbo four cylinder in production. Tuning and modification discussion for the M3, M5, M6, 135i, 335i, N54, N55, S62, S65, S85, N20, S50, S52. The OEM plastic PCV valve does not hold pressure well even when brand new. One that operates under no/low boost (from intake vacuum to low boost) and a second that operates when the intake system is under actual boost (pressure in the intake system). The BMS vacuum side N54 OCC works in conjunction with our world famous boost side N54 OCC to prevent engine oil and PCV gunk from coating your intake valves and hurting engine efficiency under engine vacuum operation. 2 washers was enough to get the wastegate to close in the specified range. They know what they’re talking about & make it so easy to get what I need. The award-winning BMW N54 inline-six has been a hit around the world since it made its debut in the 2006 E90 335i. I finally got my boost gauge installed in my car today since my RICA tune is on the way. Don’t go leak hunting if a turbo inlet is leaking @ 10 psi. Shop for discount Boost Leak Tester here. I'm worried that something else is causing turbo to leak. The least expensive online catalog for all your Boost Leak Tester needs. 0t) Charge Pipe For Bmw E82 135i E92 E90 335i High Quality,335i,E92,Charge Pipe from Other Auto Cooling System Supplier or Manufacturer-KAYO PRODUCTS CO. Oil temperature is the Achilles' Heel of the N54 engine in the road racing arena. Brand new turbo cores installed due to seals failure, oil leak and oil burn issues. Performance Parts for your All Products! - Intakes, Downpipes, Exhausts, Mounts, Springs, Brakes, Air Ride, Turbo Kits, Wheels and more. Maximum boost pressure is 11. The factory plastic diverter valves (DV) will get weak and will not be able to hold boost on the N54, leading to boost leaks or other failures. A: You have a boost leak, or you did not get the vacuum hoses. 0L, BMW E90 335xi N54 3. Installing an exhaust manifold on a 5. If the spring load setting is too strong, it may not open at low boost. Want to Build a 500hp N54? Easy. source of the leak is made easy when the included Hi-Density True UV LED light is used. Having put a quick diagnostics on i get the 30FF underboost code. Also the solenoids maintained the vacuum and did not leak down which indicates a faulty vacuum solenoid. Vacuum pump N54 and N55 Posted on February 22, 2016 by bmwtechnician Here's a picture of a vacuum pump on a N54 and N55,,,we have noticed that he small vacuum fitting will start to pump some oil through the vacuum line,. We recommend using a mechanical vent-to-atmosphere BOV (blow-off valve) on the lower charge pipe, after the intercooler. A direct injector is under a lot of pressure, so leaks can happen. It's not uncommon to need service work done on the N54 turbos within 70,000 miles. BMW 135i 335i 535i N54 Service List. EXPLANATION: This code is triggered any time you experience a reduced boost mode. Similar to the N54, a leaking valve cover, valve cover gasket, or PCV valve are among the most common problems with the BMW N55 engine. There are a few signs that the turbochargers on your BMW 335i/xi/is with the N54 engine are due to be replaced. Valve Cover Oil Leak. after smoke test i realized a crack in the valve cover. The reason of not using piezo injector is due to the high sulfur content in US market’s gasoline, which makes implementing the “lean burn” feature impossible. The FTP Motorsports upgraded PCV valve, for the BMW N54 turbo engines, prevents turbocharger boost pressure from being forced back into the engine’s crankcase. Carbon Build-up. This Vargas Turbo Technologies Upgraded PCV Valve (Mfg#VTT-N54-PCV) fits BMW N54 3. The BMW N54 3. The 2015+ eBOV may leak boost above 22psi, so we strongly recommend using a mechanical BOV for any high boost setups. Small leaks can cause oil to accumulate on the undersides of the engine, while larger ones may produce a drip of oil from the front of the engine. Some interesting information was posted in the N20 section of the BimmerBoost BMW forums regarding the durability of the N20 motor. Please note: to keep pricing low, the N54 kits are being made in batches. " Stainless rings protect the gasket material. Car is an 2008 N54 135i If you running the latest and havent set all the duty bias values to 0 and the 3rd gear boost limit to 0 you will get 30ff boost leak codes. The only thing that dont work on my car ( to my children sorrow ) are the rear seat dvd player. BMW N54 30FF Underboost Code – Boost Leak Testing – DIY. If your 05-08 N52 (found in 128i, 325i, 328i, 330i, 525i, 528i, 530i, X3, X5 & Z4) or 07-08 N54 (found in 135i, 335i, 535i, X3, X5) equipped BMW is shuddering at idle and giving you a check engine light with VANOS related codes (or boost leak related codes in N54 engines), it may be time for a camshaft bearing ledge replacement. The 2015+ eBOV may leak boost above 22psi, so we strongly recommend using a mechanical BOV for any high boost setups. The turbo can move so much air that a few pin hole leaks or instance have a negligible effect. The rubber valve cover gasket is prone to degrading over time; typically rubber with high temperatures, and constant heating/ cooling do not mix well. Silicone boost pipe (turbo to intercooler) Stainless steel V-band clamp. The smaller vacuum leaks generally result in trims in the 8-15% range. These can help evacuate moisture from the charge air stream before it enters the engine’s throttle body. The most common problem with the vent valve is when it sticks open or doesn't close. Then I began to swap all the oil and coolant lines over to the MMP turbos but ran into a bit of an issue. Now available for the 2009+ N54 Engines! Increase throttle response and decreases turbo lag. 0L, BMW E92 N54 3. Then I'll be full. Not sure where exactly it's coming from and dont care to put the money into it. * Air path disruption, aftermarket air filter, air filter housing, induction tubes, etc. 0L Twin Turbo Engine. Low pressure or delivery can affect fuel trims so make sure to check both pressure and delivery on the low side. , In Stock 100% guarantee. Photo 3/11 | Stett stage 2 oil cooler helps. Walton Motorsport offers motorsport products and develop bespoke parts. Right, they're not the only place leaks occur, but the established issue - which is documented here on this forum- is that most of our cars came off the line with loose boost hose clamps, several of mine were quite loose. CSI Automotive Sales, Service & Parts. FREE BMW N54 30FF Underboost Code – Boost Leak Testing – DIY. Evolution Racewerks N54 charge pipe is offered in a standard polished finish with 2 optional finishes. In previous years, this "accordian" rubber elbow was a seperate part and could be removed. "A" Camshaft Position - Timing Over-Retarded (Bank 1) What does that mean? This diagnostic trouble code (DTC) is a generic powertrain code, which means that it applies to OBD-II equipped vehicles, including but not limited to Toyota, VW, Honda, Chevrolet, Hyundai, Audi, Acura, etc. BMW N54 30FF Underboost Code - Boost Leak Testing - DIY November 30, 2014 / By PTF We decided to share this great DIY on boost leak testing that was contributed to the N54 community a long while back and is still very useful for those running into issues with underboost codes, limp mode due to a boost leak in their charge piping. What to Expect When purchasing a Twin Turbo N54 BMW. Vacuum supply at each vacuum canister was around 0. To lock in a leak-free seal, we include a brand new o ring with each N55 charge pipe kit. Skip to content. BMW N52/N54 Camshaft Bearing Ledges March 12, 2015 If your 05-08 N52 (found in 128i, 325i, 328i, 330i, 525i, 528i, 530i, X3, X5 & Z4) or 07-08 N54 (found in 135i, 335i, 535i, X3, X5) equipped BMW is shuddering at idle and giving you a check engine light with VANOS related codes (or boost leak related codes in N54 engines), it may be time for…. Many 135i /335i owners say boost leak it has been looking the problem for long time ~ ~ Finally found that original air induction pipe damage The most common is broken and leaked Replace to our FTP air induction pipe Let charge pipe more complete. I could then hear a leak in one of the hoses. It is going to keep the turbo healthy by eliminating leaks in the boost path and not allowing it to over speed compensating for a boost leak. These are the most common N54 engine problems: High-Pressure Fuel Pump (HPFP) Failure. i sold the car and the new owner had a few new parts and replaced the stock charge pipe with an aftermarket one (since he wanted a BOV). The BMW N55 is a turbocharged straight-six petrol engine that began production in 2009. Turbocharger Failure / Wastegate Rattle. Silicone boost pipe (turbo to intercooler) Stainless steel V-band clamp. BMW N54 TD03 Turbo Rebuild Video; Boost Leak Tester; If a leak down shows 50% leakage to coolant, then yes the HG are gone, Hello there…I just had my 2005 2. Gasket seals done. During our research and development, the connection at the throttle body was looked over very carefully. The Kompact BMW Kit is a performance bolt-on replacement for the factory plastic bypass valves offering greater boost response and no leaks. N54 doesn't use a MAF sensor to meter airflow on the intake side. Shop for discount Boost Leak Tester here. "A" Camshaft Position - Timing Over-Retarded (Bank 1) What does that mean? This diagnostic trouble code (DTC) is a generic powertrain code, which means that it applies to OBD-II equipped vehicles, including but not limited to Toyota, VW, Honda, Chevrolet, Hyundai, Audi, Acura, etc. Unlike our competitors we designed our 135i and 335i charge pipe to incorpate the factory 45 degree elbow. 0TT Twin Turbo Motor. Car is an 2008 N54 135i If you running the latest and havent set all the duty bias values to 0 and the 3rd gear boost limit to 0 you will get 30ff boost leak codes. CSF's new BMW N54 intercooler is made from it's industry exclusive rounded bar/plate core design. Its hard to spot at low speeds as your constantly revving and the turbo is creating boost. Skip to content. by Timothy Charlet on. Vacuum pump N54 and N55 Posted on February 22, 2016 by bmwtechnician Here's a picture of a vacuum pump on a N54 and N55,,,we have noticed that he small vacuum fitting will start to pump some oil through the vacuum line,. Install the testers in each pipe and pressurize the system using the tire schrader with your tire inflation tool. Despite the 135i showcasing BMW’s attempt at addressing high oil temps in the original batch of N54 engines as seen in the 2007 and early 2008 335i, the factory oil cooling solution is lacking. The 2015+ eBOV may leak boost above 22psi, so we strongly recommend using a mechanical BOV for any high boost setups. This Vargas Turbo Technologies Vargas Turbo N54 OE Plus Replacement Turbos - 335 LHD (Mfg#VTT-STK-NEW) fits BMW E90 335i N54 3. 0 inch pipe made from 304 stainless steel and designed to handle higher then stock boost levels with no leaking. Recalls and faults: BMW E90 3-Series Sedan (2005-11). Couldnt stop the limps. One that operates under no/low boost (from intake vacuum to low boost) and a second that operates when the intake system is under actual boost (pressure in the intake system). I finally got my boost gauge installed in my car today since my RICA tune is on the way. During our research and development, the connection at the throttle body was looked over very carefully. First off, I'd like to point out that I'm a late-comer to SpoolStreet. These devices are responsible for regulating boost by allowing exhaust gasses to bypass the turbine of the turbocharger, making sure the compressor does not spin too quickly and produce too much boost. I made a boost leak tester which showed me one boost leak, but even when that was fixed, the boost level didn't change. -If you have more than 50k miles on the OEM fuel pump, then replace it with a new OEM fuel pump. We offer turbocharger replacements, either a remanufactured Genuine BMW Mitsubishi Turbo, or aftermarket upgraded turbochargers if you are looking to take your BMW N54 to the next level. N54 doesn't use a MAF sensor to meter airflow on the intake side. MMP has the best flowing Turbo Outlets for your N54. 5″ Stepped Race Intercooler FMIC Upgrade Kit 07-12 135i/335i N54 & N55 E82/E90/E92. If you have a leaking brake vacuum you will probably have two noticeable symptoms 1: Your brake pedal may feel a little stiffer and be harder to push 2: Your engine can have a rough idle and sometimes stutter… or even stall out. Look for tears in the diaphragm. Why your BMW N54 NEEDS a BOV Upgrade NOW Nick May 2, 2017 When BMW was producing the N54 Twin Turbo I-6 engine , for all its greatness, there are a few parts of the stock motor that are really the Achilles heel of the car – namely the N54’s chargepipes and diverter valve. I provided a writeup that explains the how and why of boost leak testing. Precision CNC machined MAP sensor flange ensures leak free connection. WILLIAMS October 31, 2015 at 3:58 am. Visit the post for more. Being the first brand’s motor featuring a twin scroll turbocharger, it was called the best engine for three consecutive years, in 2011-2013, according to Ward. The air intake tubes are not designed to hold pressure but they do hold some. I did a boost leak test by pressurizing the turbo inlet with a compressor and the hose going to the PCV hisses away if it is not connected to the PCV. To lock in a leak-free seal, we include a brand new o ring with each N55 charge pipe kit. Precision CNC Machined MAP Sensor Flange ensures boost leak free connection. The ADE chargepipe is a full 3" aluminum tube with billet flange to retain the factory style connection at the throttle body. Success! no more rattle and more responsive boost behavior. Even on vehicles with a lot of aftermarket performance parts, this fault almost always means either there is a boost leak, or mechanical problem with the boost control solenoid. They know what they're talking about & make it so easy to get what I need. The B58 is still using the solenoid valve injectors, not the more expensive piezo unit found in the earlier N54 and the current N63 engine. The most common cause for excessive oil usage (in the N54 engine) is a compromised Positive Crankcase Ventilation (PCV) system. Valve Cover Oil Leak. yes if everything is installed 100% correct you wont have leaks, but how do you know its correct if you dont test it? I was throwing codes at the track back in 2007 when I was running over 15psi which was very high back then. Check the EGR (Exhaust Gas Recirculation) system for leaks and correct operation. For most cars its a simple job, but not on the N54 engine. my 2010 335i (n54) is throwing code p0238 for overboost and misfire on cylinder 1. BMW N54 Valve Cover Gasket; BMW N54 Valve Cover. , In Stock 100% guarantee. Been trying to figure out where it's coming from. The twin-turbocharged engine produces around 300 horsepower and 300 pound-feet of. Discover Boost Leak Tester on sale here with the largest variety of Boost Leak Tester anywhere online. Top boot, lower on the driver's side, and the lower ones below the egr, and the ybridge. VRSF Performance HD Intercooler 7" FMIC Upgrade Kit 07-12 135i/335i/X1 N54 & N55 E82/E84/E90/E92. The N55 was BMW's first straight-six engine to use a twin-scroll turbocharger. Then I began to swap all the oil and coolant lines over to the MMP turbos but ran into a bit of an issue. yes if everything is installed 100% correct you wont have leaks, but how do you know its correct if you dont test it? I was throwing codes at the track back in 2007 when I was running over 15psi which was very high back then. 1 Series E88 135i N54. Going into this, I have no reason to think I have a boost leak. If you suspect your vehicle has a cracked intake, you should stop driving it and have it towed to a repair shop as soon as possible to avoid doing further damage to your vehicle. Replace your overheated factory intercooler with the VRSF 7. The award-winning BMW N54 inline-six has been a hit around the world since it made its debut in the 2006 E90 335i. " This has been the death knell for many a vehicle over the years, as the cost of a fix for an older car is often more than the car is worth. All little bits and pieces are fitted to perfection for your BMW. You may need a buddy to hold intake tube onto turbo @ 10 psi if leaking there or get creative and wedge it in place. Spark Plugs Need to be done every ~50k Miles. Find great deals on eBay for turbo leak tester. the vehicle going into "Limp mode", excessive wastegate rattle. my 2010 335i (n54) is throwing code p0238 for overboost and misfire on cylinder 1. BMW N54 30FF Underboost Code – Boost Leak Testing – DIY. Required fasteners and hose clamps. Evolution Racewerks N54 charge pipe is offered in a standard polished finish with 2 optional finishes. Valve Cover Oil Leak. For example, a failed vent valve often caused a Check Engine light with the code P0455 Evaporative Emission Control System Leak Detected in some Nissan and Infiniti vehicles. The recall is expected to begin December 5, 2016. Factory diverter valve sound baffle, which causes turbulence in the factory pipe, is removed. 0L biturbo powerplant in Kang's 335i has a pair of hybrid turbos from Rob Beck at RB Turbo, which helped double the original 300hp rating. We offer the best selection of discount OEM & aftermarket EuroCarParts online for fast delivery. The N54/55 uses cast iron cylinder sleeve, but B58 is different: it uses one latest technology called "Electric Arc Wire Spraying". Success! no more rattle and more responsive boost behavior. However, once I got. Every VRSF Charge Pipe is constructed from mandrel bent, T6061 grade aluminum including the flanges. i had a friend check the mafs and the wiring and it seems to be good for the most part. Cobb boost pipe. This is a type of the ferrum plasma spray method, which creates a thin layer (0. I provided a writeup that explains the how and why of boost leak testing. If metered air is escaping, you can expect richer AFR's. Maximum boost pressure is 11. CSI Automotive Sales, Service & Parts. The factory diverter valves can also leak. Gasket seals done. Precision CNC machined MAP sensor flange ensures leak free connection. Over the last several years this has proven to be the most popular config of charge pipe when adding a BOV so we decided to stock this @ n54tuning so its ready to ship when you order!. Car has new high pressure fuel pump. Our downpipe is crafted from premium American made “bright annealed” 304 stainless steel and is mandrel bent throughout for less turbulent exhaust flow. The Super SQV will operate under any boost pressure setting without leaking. I found a leak in a guy's hose by having him sit in the car with all brakes on full and in drive. There are a few signs that the turbochargers on your BMW 335i/xi/is with the N54 engine are due to be replaced. Logs look good, no codes, etc. Best to use a compressor with an air tank, but don't have the compressor running while you're listening for leaks. My boost never went above 10psi. Subaru EJ25 engine reliability, problems and repair. The first and most common sign is loss of power or misfiring due to the wastegate failing.