Quote:
Originally Posted by duckseatfree
Could the smoke also be caused by not using the correct weighted oil? The first time I changed the oil I used 5w-30 but I read somewhere that I should probably use 5w40 since I am in warmer climate? could that be a possibility?
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No, the weight of the oil should't cause that. I'd stick to OEM BMW 5-30 oil or Mobil 1 0-40 euro formula (BMW spec met) if you can't get the OEM oil.