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  1. E46 (1999 - 2006)
    time for another oil thread :D Actually I'd just like to know your opinion on castrol syntec 5W-40. I'm currently running this stuff. I know it's not LL01 approved but: - The OEM oil is a rather thick 5W-30 so the 5W-40 should be ok, right? The syntec is ACEA A3/B4 approved so it is not too...
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