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      06-27-2019, 03:16 PM   #4
E55 Bulldog
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Drives: 2014 M6 GC
Join Date: Jun 2009
Location: Wilmington, NC

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Quote:
Originally Posted by Boosted M5 View Post
I replaced the gaskets, replaced all the nuts on the bottom, where the downpipe connects to the rest of the exhaust, and the the two turbo bands. Also did the spark plugs but no coils since I'm not having any issues with them.
How do you know of the coils are going bad?