I change mine every 5 to 6k and I use Lubrimolly 5w-40 or Agip 5w-40. I think that 5w-30 is not a good choice for BMW. It does not have the heat tolerance that we require.
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I'm just a crazy m*thrf*cker, livin it up, not givin a f*ck, living life in the fast lane
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