Common BMW N54 Fault Codes In this post, we will cover several common fault codes for the BMW N54 twin turbo engine. These codes apply to the 135i, 1M, 335i, 535i, X6 and Z4 powered by the N54. Additionally, certain fault codes may apply to various non-N54 engines.*Use control F to search for a specific fault code.BMW N54 Misfire Fault Codes When the N54 misfires it … [Read more...] about BMW N54 Common Fault Codes
BMW B58 Intercooler & Heat Exchanger Upgrade Guide
B58 Intercooler & Cooling System Yes, the B58 engine does have an intercooler. However, it is not the common intercooler setup you would see on most turbo vehicles. While most forced induction engines use "direct" air-to-air cooling, the B58 intercooler uses an "indirect" water-to-air cooling system. The B58 intercooler is integrated into the intake … [Read more...] about BMW B58 Intercooler & Heat Exchanger Upgrade Guide
BMW N55 Downpipes Guide: Catless vs. High-Flow
BMW N55 Upgraded Downpipe The exhaust downpipe is the first part of the exhaust system on the N55 engine. It bolts-up straight to the turbocharger and passes air from the turbo to the cat-back portion of the full exhaust system. The OEM downpipes have catalytic converters on them, for emissions purposes. However, the catalytic converters are extremely restrictive and … [Read more...] about BMW N55 Downpipes Guide: Catless vs. High-Flow
BMW B58 Upgraded Performance Intake Guide
B58 "Cold-Air" Intakes A lot of people cringe at the idea of a "cold-air" intake. Theory has it that a cold air intake has a bigger filter which lets in more particles which kills your engine life quicker. And that they don't offer that much of a performance benefit. The first part about engine lifespan is blah blah. Unless you have a super cheap filter, your engine … [Read more...] about BMW B58 Upgraded Performance Intake Guide
How to Build a 700HP+ BMW S63tu for Under $1,500
BMW S63 Tuning & Modding Guide The BMW S63tu is a 4.4L twin turbo V8 found in 2012-2017 M5 and M6 models. It produces an astounding 560hp and 500 lb-ft of torque from the factory. Even better, like many BMW engines, the S63 is also underrated. Aftermarket dyno tests show the S63 around 530whp and 520wtq. Nor does it end there. Wake up this beast with a simple tune and … [Read more...] about How to Build a 700HP+ BMW S63tu for Under $1,500
