BMW 3-Series (E90 E92) Forum - View Single Post - Castrol 0w-30 or Mobil 1 0w-40

FCBuff · 04-01-2012, 09:24 AM

Both are good oils. M1 0w-40 meets all current specs, GC does not...if that matters to you. I believe M1 is better oil, but have used GC for years with never a problem.

04-01-2012, 09:24 AM	#24
FCBuff Enthusiast 84 Rep 229 Posts Drives: '16 M235I XDrive Join Date: Jul 2011 Location: Ft Collins iTrader: (0)	Both are good oils. M1 0w-40 meets all current specs, GC does not...if that matters to you. I believe M1 is better oil, but have used GC for years with never a problem.
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