Topic: DIY Repairs & Mods

Climate Control Bulbs

  Article by: Johan Article applies to: all e32 models. Problem: Some if not all the thumb wheel controls aren’t lighting up at night anymore. The thumb wheel controls are lit with plain old bulbs. I’m wondering why BMW didn’t use LEDs for this. But I guess LEDs didn’t give […]

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 […]

Gearbox Replacement

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 […]

Driveshaft Rear CV Joint

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 […]

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 […]

e32 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 […]