Thread: Rpms surging on idle and cold start
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      05-21-2022, 10:24 AM   #8
M5_Raz
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Drives: BMW M5
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Quote:
Originally Posted by fstm5 View Post
Kinda worried they might complain about the downpipes
Yep, it will be a useless trip. They will say it's because of the downpipes 100%. Same thing mine said a while back.
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