Article by: Paul Axford Applies to: All models with the M30 big six engine WITHOUT the self-leveling LAD system (this article was written with a 730i). You could do a “one-person flush” the way I did it in the photo with the engine running and a lot of excitement, but […]
Topic: DIY Repairs & Mods
ZF 4HP22 Automatic Transmission Service
Article by: Paul Axford Applies to: All models with the M30 big six engine (this article was written with a 730i). The 730 and 735 big six automatics all have the ZF 4HP22 4-speed transmission, which is installed on hundreds of thousands of various European cars. Additional models with the […]
Engine Mount Replacement M30 (I6)
Article by: Paul Axford Applies to: all models with the M30 big six engine (this article was written with a 730i). A vibration felt through the steering while starting the car was my cue that the engine mounts had failed. The replacement procedure involves raising the engine about 5 cm […]
Glove Box Shock Absorber
Article by: Johan Problem: When I opened my glove box it just fell open and dangled forward. Time to replace those gas shocks! There are two in the dash. One is an absorber to make the dash open gently downwards. The other one is a gas shock holding the compartment […]
Reconditioning M70 Throttle Bodies
Article by: G. Bowers Article applies to: All models with the M70 V12 engine. My 1990 BMW 750il was not idling well, and I was starting to get “EML” errors on startup. The “EML” light would stay on when I started the car, and the engine would run in “limp […]
Reconditioning M70 Throttle Bodies
Article by: G. Bowers Article applies to: All models with the M70 V12 engine. My 1990 BMW 750il was not idling well, and I was starting to get “EML” errors on startup. The “EML” light would stay on when I started the car, and the engine would run in “limp […]