I am doing some research on what to do to my new to me ZF trans from a 98 M3 while it is out of the car. Figured I share what I found.

Feel free to add links if you know some good ones.

A great write up on these 2 service bulletins.

http://www.e30tech.com/forum/showthread.php?t=85093

A more basic youtube video.

Selector shaft seal and gear shift rod joint write up.

http://www.m3forum.net/m3forum/showthread.php?t=269673

Detent tools and links in this thread.

http://www.m3forum.net/m3forum/showthread.php?t=307652

Another 5th & reverse detent write up.

http://webspace.ringling.edu/~dplassma/bmw_diy/shift_pins/shift_pins.html

Drift tools

http://www.bimmerdiffs.com/collections/transmission-products

More to come...