To keep turbo lag at a minimum, BMW likely used the smallest turbocharger possible that could achieve the (modest) boost levels that the N55 runs on. BMW N55 camshafts characteristics are as follows: duration 255/261 deg, lift 9.9/9.7 mm. On my stock Fiesta ST 182 (FR) my boost pressure never climb up to 19 PSI. The BMW N55 is a turbocharged straight-six petrol engine that began production in 2009. The N55 OEM compressor housing mounted plastic diverter valve is known to leak off boost on tuned vehicles and those especially with larger turbos. I'm afraid of a problem on my car. The N54 debuted at the 2006 Geneva Motor Show and was launched in the 335i model of the … The factory N54/N55 TMAP sensor is able to read up to 20psi and for reading higher boost levels up to 36psi a 3.5bar TMAP sensor is required. In order to make boost from the turbos the DME regulates boost control solenoids via a PWM (pulse-width modulated) signal pulsing them and allowing vacuum to hit the wastegate actuator. Discussion Starter • #1 • Feb 25, 2018. This product is for the hybrid turbo (Version2) MST Performance is proud to announce our big diameter turbo inlet pipe for BMW N55 3.0t vehicles. Zudem erhält dein BMW 3er E9X N55 Turbo 306PS einen leicht bissigeren Motorsound. Only {{ quantityOfStock }} item(s) left. That's +120 WHP / +160lb-ft of torque over stock on pump gas (nearly +170 WHP / +210 lb-ft of … Twin turbo configuration has been replaced by Twin scroll which means that new Borg Warner B03 turbocharger has two exhaust gas inlets and two impellers. target boosts were 21.9, 20.6, 21.8. bmw’s n55 engine is capable of excellent performance straight out of the factory. This is a 100% bolt-on balanced replacement turbo with improved performance over the stock unit. Purchase a manual boost controller if your … The N55 replaced the BMW N54 engine and was introduced in the F07 5 Series Gran Turismo.. This sensor is used on various BMW turbo engines such as the N20/N26 4-cylinder, N55 6-cylinder (after 8/2010 production), N63 8-cylinder (after 3/2012 production), S55 6-cylinder, and S63TU 8-cylinder. With Intel® Turbo Boost Max Technology 3.0, lightly-threaded performance is optimized by … BigBoost MPR 61mm turbocharger Cast twin-scroll manifold 40% larger than stock runners and area with external wastegate port (Modular design for future upgrades) Aviation grade stainless steel oil feed lines Oil feed and return fittings I know the N54 is a powerhouse of a motor but i was wondering how much power/boost the N55 could hold before having to upgrade the internals? What’s included? Most tuners such as Juice Box, Vishnu or the flashes like GIAC usually limit boost to less than 13psi. This upgraded Forge valve is of a much more robust mechanical design (made from billet aluminum) and will hold boost much better under higher power environments, by effectively putting all of the efforts of the turbo efficiently … This will allow direct plug and play connection to the factory boost control solenoid plug and allow DME only Single turbo boost control and possibly down the line a better replacement for the OEM vacuum … Your item was not added to your cart. N55 max boost stock turbo summary. Featuring bulletproof Garrett internals and a Dual Ball Bearing center section, this turbo setup is able to capably manage 500-550 wheel horsepower with certain tunes and fuel tweaks, allowing for reliable and consistent boost from idle to redline. Equipped with the new cam, the turbo motor produced … So I’m new to this forum and I looked but I can’t seem to find an answer for this question, if it’s already been asked and I’m sure it has then I’m sorry fellas! Not enough stock. I must have been on a custom map 6 at the time. MHD Flasher is the first mobile application to bring ECU tuning and monitoring to the BMW N54, N55, S55, B58 and N13 engine. LOLFWD did you get the final word about this problem ? 135i Pure Stage2 turbos … Max Operating Frequency: 300hz Pressure Range: 0-8bar Ports: 3 In house field testing begins in. Category A: Everything from a stock 135 or 335 to a full bolt on car with stock turbos. These were on an onramp for a very short time. If you are unsure what the need of this is. For the racing … N55 Big Turbo Upgrade - Re Manufactured Upgraded internals in a stock turbocharger for more boost & more power! 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. This is where PID based boost control comes in and helps the DME regulate the … It is BMW's first mass-produced turbocharged petrol engine and BMW's first turbocharged petrol engine since the limited-production BMW M106 was discontinued in 1986. E82 135i Stock Turbo N55 vs E82 135i Pure Turbo Stage 2 N55 This video has two races, both at No Fly Zone, March 2015, Arizona And Both at 18 psi :burnrubber: 135i Stock turbo, Mods:-FBO-JB4 G5 ISO on Map 6 with max boost-BMS BEF-E50 fuel (shifts were done around 5,300 RPM) 135i Pure Stage2 turbos Mods:-PureTurbos Stage 2-FBO-JB4-BMS Meth-E30 fuel. Last night I hit the dyno to see what the car can do with the new ported N54 cylinder head, RB turbos, 3.5bar TMAP sensor from the new BMW N20 4cyl motor, FBO (catless), pump 94 octane and meth, stock turbo inlet pipes. 1.6 differentials also have a better chance of survival below 180whp or so. 26 Posts . Designed byVargas Turbo, this hybrid turbo setup for N55 Engines is more than a replacement. View and share this list. After running the stock cam, it was replaced by the COMP 273 version. Taking advantage of supporting hardware (Dinan big turbo and an upgraded intercooler), the stage 2 engine calibration takes a significant step up in performance. 09 E92 335i - Hot-Climate Middle East package, M Sports suspension, 19" Rims, 6AT fully built internals, bushings, raybestos clutches and sonnax with xHP stage 3, Differential lockdown, New RB Turbo CHRA, JB4 - Map … Boost: This is the pressure, in PSI, in the charge pipe just before the throttle valve. Not enough stock. Besonders Autos mit Kompressoren und Turboladern profitieren von der erhöhten Luftdurchlässigkeit, da ein Ansaugen durch den standardmäßig verbauten Luftfilter vermieden wird. It looks like a factory turbo, but contains a larger 72mm compressor wheel and longer 35mm wheel-blade to improve airflow and extract more power from the N55 motor, achieving more efficient boost.