Quote:
Originally Posted by CirrusSR22
Top off with:
• BMW branded 5w-30
• Castrol Syntec 0w-30
• Mobil 1 0W-40
There's certainly no guarantee that even the dealer used the BMW branded oil if they did the last oil change. My local dealer at one point had a giant banner up saying they used Pennzoil oil. Don't bother getting the BMW branded oil unless you know for sure it was done with BMW branded oil.
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I use Castrol Syntec 5w-30... am i wrong in doing so?