Topic: Engine

e46 M54 Valve Cover Replacement

Article by: SIDEFLY Applies to: All BMW models with the M54 straight six engine. Required Tools: Flat head screwdriver Socket wrench 8mm socket 10mm socket T30 Torx bit and driver Spark plug socket Suggested Tools: Torque Wrench capable of 7.5ft.lbs 3/8inch and 1/4inch socket sets with extensions Plastic gloves Protective […]

How to Choose the Right Turbo

Article by: Author unknown Article applies to: all BMWs. I decided now would be the perfect time for everyone to learn how to properly read a Turbo Compressor map, and how to choose a proper turbo for your vehicle. Here we will show a compressor map for reference:   First […]

Bosch Injector Rebuild

Article by: Michael Oswald Article applies to: all BMW models with the low impedance Bosch injectors. Problem: After installing a Perfect Power SMT-6 piggyback computer, I wanted to install new / used Bosch 24# blue top injectors. The SMT-6 has already been set up for these injectors. So, I went […]

Fan Clutch

Article by: Johan Article applies to: all BMW models with a viscous clutch cooling fan. Problem: It’s very easy to spot a bad fan coupling. The engine temperature will rise when standing in traffic. On my 735i it went to about the 3/4 mark. Apparently the electrical fan on the […]