Quote:
Originally Posted by R_lara
0w-40?????
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Yeah. BMW has added LL-01 oils to the list of approved oils for E9x M3. Mobil 1 0w40 is an LL-01 oil. Some people on here speculate it was done to combat bearing clearance issues.
In Any case, if it's approved, is cheaper and maybe helps with rod bearing wear, why not?