Article by: Johan Article applies to: all models with the ZF4HP22 automatic transmission. Problem: The ZF4HP22 gearbox in my car has shifted a bit rough from 3rd to 4th for a while now. But a fluid change, the first time with a new filter, every now and then had prolonged […]

Article by: Johan Problem: Every time I went for a long drive I noticed a burned ATF smell when getting out of the car. I also had to fill the gearbox every 1500 km to keep it shifting smoothly. The underside of my car was completely covered with ATF. When […]

Article by: Sean Article applies to: all e32, e34, and e36 models. Problem: My 750i developed an huge vibration over 60-80 km/h (40~50 mph), and a loud ‘clicking’ noise when moving off or accelerating. The complete driveshaft exists out of various components, while each component can be more or less […]

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 […]

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 […]

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 […]