rear diff problem

i have a 99 e36 m3 and i need a new diff, any idea of where to look other than dealer, a used one would be great as long as it worked

What ratio diff do you need? I found some examples on eBay:


3.15 LSD:
http://cgi.ebay.com/ebaymotors/BMW-...021QQitemZ310040260400QQrdZ1QQsspagenameZWD1V

3.23 LSD:
http://cgi.ebay.com/ebaymotors/BMW-...013QQitemZ230271372645QQrdZ1QQsspagenameZWDVW

3.64 LSD:
http://cgi.ebay.com/ebaymotors/BMW-...013QQitemZ230272635841QQrdZ1QQsspagenameZWDVW




There are others as well for varying prices.

in all honesty i would be fine with a stock one, but i hear that the 3-91 is a fun diff, i found this place online last night (diffsonline.com), do u know if they are a good place to buy things from becasue thay have some nice used diffs

That site looks pretty good. Give them a call.

The diffs come with a 30-day warranty too.

ya thats y it seems like the best bet, i really dont trust ebay, anyway do u live anywere neer chicago, thats were im from

No.




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Diffsonline has a very good reputation with several other forums. I think you'll be fine going that route.