I came across this link and thought I'd share it as I think it might be helpful to some of you (especially those contemplating or doing engine conversions! LOL!):
- 1. Select your year from the first drop down box
- 2. Select your BMW model
- 3. Select WIRING DIAGRAMS
N.B. it only seems to go up to 1997 - although I'm not sure how many changes might have happened post 97.. should be a start if nothing else!