Plugs (95770 v. 97506), gaps, and the N54

rev210

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Feb 24, 2019
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335i - 08 Coupe .
it is an OTS map ... MHDV10 (I am a beta tester) :)
That there is your problem. You need a custom tune. You are altering the fuel mixture by adding meth in among other things, which an OTS map is not tuned for .
So the good news is 100% of your missfires problem is that fact. Easy fix. Get a custom tune.
 
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rev210

Corporal
Feb 24, 2019
242
146
50
Ride
335i - 08 Coupe .
Send me one. I want to test it too.
Just go into app store for android and download/register for beta MHD app updates. Its not an exclusive club. šŸ˜„
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