Thread: What Gear Oil Do You Run In Your BDR...
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Old 10-23-2015, 12:32 PM
jeffnolan jeffnolan is offline
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Cobra Make, Engine: Backdraft #1333, Smeding 427
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BMW recommends 75w140 for limited slip differentials and 75w90 for open diffs.

Quote:
Originally Posted by Cashburn View Post
Royal Purple 75w90.
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