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Forced Induction Forum
Discuss supercharging, turbocharging and even nitrous and water injection here.

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Old 09-04-2008, 04:48 PM   #1
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Join Date: Jul 2007
Location: las vegas,nv
Posts: 2,067
My Ride: 2005 M3
Anyone have issues with coil packs after going F/I?

I had a coil pack go out last month before I got the HPF kit. Then the day got the kit (8/29) another one went out and I got that fixed at the stealer for $172. Yesterday (9/3) another one went out? I talked to HPF and they said use the powertrain coil packs instead of the bremi ones. So instead of changing the bad one, I bought 4 new powertrain coil packs and replaced the bremis. I now have 6 new coil packs. After I get done doing so, the car is still sputtering and shaking. After changing the coil packs are there any codes that have to be cleared or something else I was suppsoed to do that I didnt know about?

HPF also said check the gap on the spark plugs and make sure its .024. I will do that this afternoon, but if that doesnt fix it then what? I also ordered new plugs to see if thats the problem, but the HPF kit came with new plugs, so they shouldnt be old. Any input would help.
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