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  1. Parts & Components
    I’ve been hearing rumors, but let me back up. I recently got a 2016 428i x drive gran coupe, and wanted to do a tune up. Since it’s a 2016 n20 with the updated timing chain i wasn’t worried about that, I was worried about the GM oil in it. Sticker on the hood says 0w20, but ive been hearing from...
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