Quote:
Originally Posted by KANdaddy
He is saying it is required because they are doing the spark plugs and basically performing a “tune up”. Sounded fishy to me. Here is what they are doing.
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They are lying. I can’t tell you how many M spark plug changes I have had and I never did coolant flush with any of them. This includes M3, M4, X5M, and X6M.