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 […]
Topic: Driveline & Transmission
ZF 4HP22 Automatic Transmission Service
Large vs. Medium Case Differential Swap
Article by: Don Gale Article applies to: all e32 and e34 models. I took some detailed dimensions noting the differences between a large e32 diff vs. medium case e34, for my friend Andrew, who has also has a boosted e32 735i 5-spd: Note: medium case axle hubs may come in […]
Getrag 260/6 to 265/6 Conversion
Apparently people will tell you that converting an e34 with the Getrag 260/6 to the 265/6 isn’t possible. I am here to show you that it can be simply done.
Flywheel and Clutch Swap
LSD Final Drive Disassembly
Article by: Binjammin Applies to: Most BMW models with a limited slip differential. So I had this extra rear laying around, I decided to check out the condition of it and clean it up. Turns out it’s in nice shape, could maybe use new clutches but I’ll see if I […]