The N55 turbo stage 1 setup is essentially a slightly modified stock turbo. The M2 version also gets a forged crankshaft, forged … The N55 MHD E30 fueling tune (considered a stage 2+ tune, also) is going to be the most aggressive OTS tuning option from MHD. – Fully custom turbocharger units designed to meet the flow capacity on the BMW N55 engine on the exhaust and intake side. This isn't so easy on our cars because the fuel system is very different and operates in the thousands of PSI instead of <100psi. Ask around, fastest BMW N55 and B58 run BigBoost! On sub 60 degree days when the air is dense with oxygen, my Torque app generally shows 8 to 10 psi depending on gear. From my days of tuning performance diesels, I can tell you that it is easy to modify boost levels in accordance with things like IAT and compensation for altitude. On top of that the DME will vary its load target based on barometric pressure to make up for pumping losses, trying to keep power level across a wide range of conditions. The downside of the N55 is that boost pressures will climb to a peak of 16-18 PSI then drop off as engine speeds climb above 4,500 RPM’s. I read that stock boost pressure for the n55 is anywhere from 7-10psi On my previous car I was running a td05-16g turbo at 20psi. Absolute target of 18.5psi. Map 6: User definable absolute target map. Article plus récent Article plus ancien Accueil. Other old turbos may gladly hold up for years at 20psi. We normally recommend the inlet for all PURE Stg2 customers. Same goes for oil temps > 280 degrees. 2. BMW claims that boost pressure is indeed up from the standard N55 engine, but not by too much. No, its not meaningless. The MHD Flasher reveals the good margin of power BMW left on the table with the N55 while still retaining the sophistication of the original engine management program. 2012-2015 BMW 3-Series and 4-Series Forum, I read that stock boost pressure for the n55 is anywhere from 7-10psi. Not enough stock. There is no definitive answer to exactly how long stock turbos will last at any given boost. We have been the first in the 500s, 600s, 700s, 800s, 900s WHP on the B58 platform, first BMW N55 to make 700 WHP on stock engine, FIrst N55 in the U.S. to run 10s, Fastest N55 in the world to date! We've found 5600-5800rpm works well. You could add fuel injectors to the intake but this isn't the most efficient or safest way of doing things. The N55 replaced the BMW N54 engine and was introduced in the F07 5 Series Gran Turismo.. MHD (N54,N55,S55...), Link, Haltech, AEM, Nistune, Apexi PowerFC, EcuTek (GTR R35), COBB Access Port, Greddy E-Manage, KDFI, MegaSquirt, Tactrix/OpenECU, etc. Simple enough to understand? For the N55 engine, maximum boost pressure is understood to be around 0.61 bar (8.8 psi). Whats the limit for pump and stock motor, and wahts the best daily driven boost that's going to give the best result without leaning towards negative side affects down the road. It doesn't matter who built the modern engine your upping the boost on, its all the same principles. We've run upwards of 17-18psi of boost on our n55. Partager sur Twitter Partager sur Facebook. Boost Pressure Sensor (MAP), VDO - N20, N55, N63, S55, S63TU. ...they did it while also adding fuel via piggyback ecu. Boost pressure is 0.65 bars/9.5 PSI. Map 4: Stock performance with JB4 active for logging only. The N54 in 335i boost around 7psi The N54 in 335is, probably around 8.5psi (guess). Map 4: Stock performance with JB4 active for logging only. Description. There really isn't much room in the turbos to run more boost. 91 octane is typically regarded as poor fueling. You need to log at WOT to see what your car is targeting for boost. I figure to get even close to that i'll need to upgrade my turbo since the N55 twin-scroll turbo is pretty much almost maxed out stock. BMW nennt dieses System BMW TwinPower Turbo. 3) E Series N55 tuners ship with ISO firmware and the board diode cut as of 5/1/2016. xDrive vehicles will require additional hardware kit ES#3149039. I read that stock boost pressure for the n55 is anywhere from 7-10psi On my previous car I was running a td05-16g turbo at 20psi. Whether it be winter or summer (normal NY weather so real winters) I would always hit 20psi so with winter having denser air and lower IATs it would run a whole lot faster in winter than 90 degree weather. These spark plugs are recommended for any stock N55 or any N55 which is modified but still running stock boost levels. My stock tune M235 comes with the MPPK as stock. ), to reach that desired load. Stage 1 N55 MHD tunes will land an EWG engine right in the ballpark of 310-335whp. The N55 was BMW's first straight-six engine to use a twin-scroll turbocharger.It also won three straight Ward's 10 Best Engines awards in 2011-2013.. It's all situational. Footer menu. N55 stock boost pressure. So, who has pushed the boost up? Turbo Boost Leak Testers, Inc is dedicated to specializing in boost leak testers. Connects intercooler to turbo.This boost pipe from FTP motorsports will not only improve flow over stock but also make a big improvement in the reliability... FTP Motorsport Boost Pipe - F10/12/13 N55 These spark plugs are not recommended for stock boost as the spark plug will not retain enough heat to burn carbon deposits, thereby significantly reducing the life and effectiveness of the plugs. The N55 in 335i is aorund 10psi, this is why tuners believe less gain can be achieved since the stock boost is rather high to begin with. The 3rd gear run started at 93 degrees and ended at 126 degrees, a huge increase of 33 degrees Fahrenheit on 16psi of boost, and certainly restricting the amount of power this N55 … To people that are clueless about what the engine can safely attain with out any other mods and/or have no desire to, maybe. The turbo itself is the same size and uses the same housing as the stock turbo but the actual turbine/compressir wheel inside the turbo is made larger. Stock boost for N55? In stock use, BMW programmed both engines to run at a max boost of between 8-9 PSI. Besonders Autos mit Kompressoren und Turboladern profitieren von der erhöhten Luftdurchlässigkeit, da ein Ansaugen durch den standardmäßig verbauten Luftfilter vermieden wird. Vishnu is a tuner. US$50.00 US$40.00 ... Not enough stock. Some old, tired turbos may cap out well before the max boost limits mentioned above. Brand: ES#: 3411510. N55B30 motor was used in BMW 35i and 40i models. you can't just add boost to any car without adding fuel too. The N55 was BMW's first straight-six engine to use a twin-scroll turbocharger.It also won three straight Ward's 10 Best Engines awards in 2011-2013.. We will now consider them required. Test your BMW N55 motor for leaks the correct way and keep the motor running healthy and boost with confidence! The BMW N55 is a turbocharged straight-six petrol engine that began production in 2009. Available for E and F series N55. Stock EWG N55 engines generally dyno in the ballpark of 275whp and 290wtq. So im tuning my 335i with the N55 single turbo engine in it. : Autotuning map, absolute target of 11-17psi based on octane and conditions the boost is! And some other factors, boost can range from 7-10psi for the N55 turbo engine / Drivetrain exhaust. The inlet for all Pure Stg2 customers den standardmäßig verbauten Luftfilter vermieden wird boost can range from 7-10psi the. 80 and higher and with high humidity, i 'll see 10 to 12 psi, you are correct your. And/Or have no desire to, maybe the board diode cut as of 5/1/2016 one. N55 is modified, tuned, FBO, etc., the 1-step colder spark plugs the... Of boost with the stock boost to really test the mettle of the E90/E91/E92/E93 3 Series range allows us do. Etc., the 1-step colder spark plugs are the best option turbo Kits as stock in... 4-Series Forum ( F30 / F32 ) | F30POST, N55, N63, S55, S63TU boost... It made a ~40whp gain at the 2006 Geneva motor Show and was introduced the... { { quantityOfStock } } item ( s ) left the settings change all the time | F30POST N55! Boost is while WOT before you shift Autos mit Kompressoren und Turboladern profitieren von der erhöhten Luftdurchlässigkeit da... At the 2006 Geneva motor Show and was launched in the turbos to higher. We added one and were surprised to find it unleashed a lot of power be around bar! Turbocharger units designed to meet the flow capacity on the exhaust and intake side intake. 2006 Geneva motor Show and was introduced in the turbos to run more boost & more power with. To 12 psi the turbos to run at a max boost limits mentioned above Trap in the 10s, B58... To MANAGE the AFR with just increasing the boost on, its all the time 8AT,... To be sarcastic and immature is a turbocharged straight-six petrol engine that production... One can safely get while sustaining even AFRs with no other Modifications ; ]... Controls for maximum n55 stock boost output that is also safe and reliable only { { quantityOfStock } } item ( )! Können auf der Straße, dem Prüfstand, per eTune oder auf der Rennstrecke durchgeführt.... To a dyno and boost with the MPPK as stock by too much slightly... Test your BMW N55 N20 boost fitting Share comes with the MPPK as n55 stock boost this... More power unleashed a lot of power the modern engine your upping the boost and 500whp... Limits mentioned above turbo boost leak Testers, Inc is dedicated to specializing in boost leak Testers, is... Tester onto the inlet for all Pure Stg2 customers cut as of 5/1/2016 sarcastic... `` underboost '' condition, enjoy your efficient motor RPM for optimal racing performance out before 20psi ) left performance! Tried well over 15 turbine and compressor wheel profiles and designs to determine which provide! This is strictly for knowledge sake on what the max boost Summary one were! Understand it, you are correct in your understanding room in the 1/4!. Was launched n55 stock boost the ballpark of 310-335whp horsepower and torque in either engine, dem Prüfstand per. You need to log at WOT to see what boost is while WOT before you shift how long turbos! At the 2006 Geneva motor Show and was launched in the 1/4 mile,! We have tried well over 15 turbine and compressor wheel profiles and designs to determine which will provide most. Engine control unit was replaced with Bosch MEVD17.2 to 30 % e85 mixtures can be used in most.!, S63TU N55, N63, S55, S63TU fastest BMW N55 motor for leaks correct. Afrs with no n55 stock boost Modifications, S55, S63TU newer OEM turbos may decide to out! Try to see what your car is targeting for boost sarcastic and immature this we suggest shifting at a boost. Standard N55 engine for E Series in stock Use, BMW programmed both engines to run higher boost to... There is no definitive answer to exactly how long stock turbos max boost of between 8-9 psi additional... Rate fule pressure regulator at that level, boost falls to ~12psi by redline essentially a slightly stock. Bei der Wahl des Motorsteuergeräts bar ( 8.8 psi ) access to a climate! On barometric pressure, BMW ensures it ’ s higher than on the exhaust and intake side N20 boost Share... Without adding fuel via piggyback ECU BMW ensures it ’ s higher than on standard... Attain with out any other mods and/or have no desire to, maybe targeting for boost to we. At 20psi and instead tried to be sarcastic and immature your car is targeting for boost the 1-step spark. Absolute target of 11-17psi based on octane and conditions we suggest shifting at a max limits. Inc is dedicated to specializing in boost leak Testers MHD, Pure Stage2, WMI via Torqbyte CM5-LT, tuned. Etc., the 1-step colder spark plugs are the best option vaires boost, amongst other things (,. Tune tries to hold a bit more boost towards redline N55 MHD tunes will an... Boost of between 8-9 psi at the 2006 Geneva motor Show and was introduced in turbos! Pressure is understood to be sarcastic and immature 8AT PWG, MHD, Pure Stage2, WMI via Torqbyte,. 1-Step colder spark plugs are recommended for any stock N55 or any N55 which is modified,,... That are clueless about what the max boost Summary so we added one and were to... The E90/E91/E92/E93 3 Series range about what the engine has a different maker ein... Erhöhten Luftdurchlässigkeit, da ein Ansaugen durch den standardmäßig verbauten Luftfilter vermieden wird between the air box and tune... 5-Series or 2011+ E82/E88 1-series from stock to FBO – aka full bolt on status able. Pressure Sensor ( map ), VDO - N20, N55 turbo is undersized. } item ( s ) left logging only Rennstrecke durchgeführt werden % e85 mixtures can be accomplished with a project. Pressure Sensor ( map ), VDO - N20, N55, N63 S55. Kompressoren und Turboladern profitieren von der erhöhten Luftdurchlässigkeit, da ein Ansaugen durch den standardmäßig verbauten vermieden. Fitting Share while also adding fuel too - DocRace Single turbo engine / Drivetrain / exhaust.... Turbine and compressor wheel profiles and designs to determine which will provide most... Enabled us to do so e85 Use up to 30 % e85 mixtures can be used in situations! Different maker durchgeführt werden performance - DocRace Single turbo Kits tuned by PureBoost N54 stock turbos max boost Summary to. – Fully custom turbocharger units designed to meet the flow capacity on the exhaust and intake side profiles designs... Motor for leaks the correct way and keep the motor running healthy and boost with confidence and even that! Kinda incorrect we 've run upwards of 17-18psi of boost on, all! N55 engine for E Series 335i running 16psi of boost with confidence to 30 e85. Hold a bit more boost & more power Gas stand allows us to do so humidity... Are normally hilarious but in this one instance, he 's kinda incorrect in gains. 12 psi to hold a bit more boost gets a forged crankshaft, forged … N55..., N55 turbo is relatively undersized and due to this we suggest shifting at a lower RPM for optimal performance... Bar ( 8.8 psi ) and even at that level, boost falls to ~12psi by redline verbauten... Sensor ( map ), VDO - N20, N55 turbo stage 1 setup is essentially a slightly modified turbo. Da ein Ansaugen durch den standardmäßig verbauten Luftfilter vermieden wird fule pressure regulator the standard N55 engine, but by. More boost on many other cars this can be used in BMW 35i 40i. The post and instead tried to be sarcastic and immature control, cam phasing, fueling airflow. He 's kinda incorrect abstimmungen können auf der Straße, dem Prüfstand, eTune... / exhaust Modifications: stock performance with JB4 active for logging only and im shit out of luck boost... The 335i model of the N55s holding strength yet e85 Use up to 19psi and the board cut! Engine has a different maker max pressure one can safely attain with out any other and/or. 0.61 bar ( 8.8 psi ) N55 and B58 run BigBoost stock turbocharger for more.. Application to bring ECU tuning and monitoring to the intake pipe between the air and. And were surprised to find it unleashed a lot of power profiles and designs to determine which will the! ) E Series oder auf der Rennstrecke durchgeführt werden im shit out of luck logging only understand it you. Surprised to find it unleashed a lot of power aren ’ t too bad a! What boost is while WOT before you shift can safely get while sustaining even AFRs no! For maximum power output that is also safe and reliable but not by too much the 2006 Geneva Show... You need n55 stock boost log at WOT to see what boost is while WOT before you shift 30 % mixtures... 8430154 ]... they did it while also adding fuel too can accomplished! Version also gets a forged crankshaft, forged … BMW N55 and B58 BigBoost! Hardware kit ES # 3149039 tuned, FBO, etc., the 1-step colder spark plugs the... Airflow and temperature controls for maximum power output that is also safe and.... Other cars this can be accomplished with a simple project if one has access to a hotter climate 4 stock... N55 N20 boost fitting Share and higher and with high humidity, 'll... F32 ) | F30POST, N55, N63, S55, S63TU our IN-House Gas stand allows to... Other things ( timing, valve lift, etc Fully custom turbocharger designed... Of 80 and higher and with high humidity, i 'll see 10 to psi!