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      06-03-2019, 02:48 PM   #1
FullThrottle
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Canada
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Drives: F06 M6 Gran Coupe, F10 M5
Join Date: Aug 2018
Location: Vancouver

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Question Why change gap on Spark Plugs?

Hi All,

I will be getting new spark plugs soon after the vehicle is tuned. But I see people talking about gap-ing their spark plugs to .18. Can anyone explain why? Also what is the stock gap? Any info will be greatly appreciated. Thanks!
Appreciate 0