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      09-10-2019, 08:54 AM   #27
OC_F32
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Drives: 2015 428i
Join Date: Jan 2016
Location: Orange County, CA

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Quote:
Originally Posted by D Griff View Post
Quote:
Originally Posted by slow.f32 View Post
Turned out to just be a bad ignition coil on cyl 1
Resurrecting this from the dead as I have the same thing going on. How many miles were on your car? Did you try plugs first? I don't know that there's any way to tell if it's plugs versus ignition coil. I have the same issue on cylinder two.
I had the same issue a few weeks ago. I started with the less expensive option and replaced the plugs with NGK laser platinums. It didn't correct the issue. Replacing the coil packs did the trick.

N20
56k miles

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