Topic: Driveline & Transmission

Gear Selector Shaft Seal

Article By: Ralph (Dutch740) Applies to: Models with automatic transmissions and specifically to models with the A5S560Z / 5HP30 transmission (i.e. 740i)  maybe 730i V8 as well (?) Problem: Automatic transmission leaks fluid from the selector shaft, and you slowly lose your (very expensive) transmission oil. Fix: Replace the seals […]

Gear Selector Shaft Seal

Article By: Ralph (Dutch740) Applies to: Models with automatic transmissions and specifically to models with the A5S560Z / 5HP30 transmission (i.e. 740i)  maybe 730i V8 as well (?) Problem: Automatic transmission leaks fluid from the selector shaft, and you slowly lose your (very expensive) transmission oil. Fix: Replace the seals […]

Driveshaft Center Bearing

Article by: Sean Article applies to: all BMW models. Problem: Lots of them. What else did you think? It started with vibrations from 0-60 km/h (0-40 mph) under mild or hard acceleration, highway speeds no problem. Later it became a knocking, thumping and clunking sound from underneath the car (located […]

ZF4HP22 Automatic Rebuild

Article by: Unknown author Article applies to: all models with the ZF 4HP22/24 transmissions. Problem: ‘A’ clutch burnout: transmission will not move the car forward or there is a long delay once the car is put into gear. Replacement: Teflon Seal replacement The cause of the problem: the steel seals […]

ZF4HP22 Automatic Rebuild

Article by: Unknown author Article applies to: all models with the ZF 4HP22/24 transmissions. Problem: ‘A’ clutch burnout: transmission will not move the car forward or there is a long delay once the car is put into gear. Replacement: Teflon Seal replacement The cause of the problem: the steel seals […]

e34 Diff/Final Drive Output Seal

Article by: Sean Article applies to: all e32 and e34 models. Problem: Usually, after every fast trip, I smell the odor of my car after I parked it and get out (I get very nervous when I smell something during driving but that is a whole different story). This is […]