Topic: Driveline & Transmission

ZF S5D-320Z 5-Speed Detent Pins

Article by: Vinci & mplazz Article applies to: all models with the ZF S5D 320Z 5-speed manual transmission. Introduction: This guide covers the process of replacing and updating the shift pins of the ZF S5D 320Z 5-speed manual transmission used in many of the BMW 6-cylinder models. This is a […]

3.15 Limited Slip Diff Retrofit

Article by: Olin Johnston Article applies to: written for the e31 but applies to the e32, e34, e38, and e38 models as well. The donor car was an early E32 750iL. I bought it already cleaned and drained. It went into my US 1994 840Ci with a stock 2.93 open […]

Getrag 260 Synchro Replacement – Part 3

Article by: Eric Crawshaw Article applies to: all BMWs with a Getrag 260/6 manual (5-speed) transmission Part 3: Reassembly  How to reassemble the Getrag 260 in “a few” easy steps! Well it’s done. It’s back together. It was definitely a bit scary at first, but I was able to get […]

Getrag 260 Synchro Replacement – Part 2

Article by: Eric Crawshaw Article applies to: all BMWs with a Getrag 260/6 manual (5-speed) transmission Part 2: Gear Train  In my BMW E30 Getrag 260 transmission, only the 3rd gear was grinding, so the plan going in was only to replace the 3rd gear synchro. Upon inspection, I found […]

Getrag 260 Synchro Replacement – Part 1

Article by: Eric Crawshaw Article applies to: all BMWs with a Getrag 260/6 manual (5-speed) transmission Part 1: Tear down   After installing a ‘new’ transmission in my SpecE30, I quickly discovered that there was an issue with the 3rd gear synchro on this Getrag 260. Every time I downshifted from […]

BMW Guibo / Flex Disc Information

Article by: Mike Oswald Article applies to: all BMWs with a manual or SMG transmission (and some select automatics – such as e34s).   All BMWs with a manual or SMG transmission (even some select automatics too) have a guibo (also known as a flex disc). This disk is located […]