Quote:
Originally Posted by Psquared
I recently visited a dealer for rear diff fluid. They provided BMW part# 83222357992 for an F10 M5. I was hesitant this was the correct fluid as all websites I've crosschecked had a different part number (83222282583), and the bottle says +FM or "friction modifiers", this bottle doesn't say either.
I just went back to the dealer to verify they sold me the right fluid and the guy said the F10 M5 has a service bulletin out for the rear diff clutch packs crapping out, which now calls for the part # ending in 992 (above). Does anyone have access to this service bulletin, or can confirm the correct BMW part number for rear diff fluid as I'm getting mixed messages.
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I use "Lucas Oil LUC10121 SAE 75W-140 Synthetic Transmission and Differential"
works great