looking for diff. rebuild manual
 

Hello
I'm need to rebuild the diff. on my 1985 318i. Yes, I suppose it's better left to experts. so is engine rebuilding, a/c work, front end work etc,etc. I can get lots of info on the web for Ford and Chevy rebuilds, even step by step instructions. I deal with close tolerances at work daily. I know I can do this, I just need a manual or a source for the rebuild info. Any help would be greatly appreciated.

Mark