Guessing that there may be others out there like me, how knew they wanted to start in an e30, always wanted an e30, but don’t know much about the car. I am also assuming that like me, others may have the opportunity to buy their car for oh say, $350 but it’s an automatic.
The rules require that the car be a 5-speed manual transmission, here’s how to do the swap. Step by step http://www.seambmw.com/index_files/Page578.html
Parts list and #'s http://www.e30tech.com/forum/viewtopic.php?t=6042 The best DIY is at e30diy.net but the site seems to be down.
The Spec rules state that
9.3.12.1 Transmissions shall be original or factory option for the model/year. no alterations or subs permitted.
9.3.12.3 Modification to, or replacement of, the shifter mechanism is permitted.
9.3.12.5 Alternate, non-solid, transimission mount, providing they are the same height as original, are permitted.
9.3.12.6 Any clutch disk and pressure plate of original diameter may be used provided that they bolt directly to a unmodified flywheel.
9.3.12.7 Balancing of flywheel/clutch/pressure plate assembly is permitted.
9.3.12.8 The vibration dampener may be removed.
Tom