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Bit of a Johnny-come-lately on this. I have a 2007 335i with N54 running stage 2+ MHD tune, & at 125,000km I'm looking at replacing coils for the 2nd time.
Just had cyl 5 go bad (was the first last time too) so I know the others will follow.
Did anyone come to a conclusion on this discussion as to what worked best/lasted best?
I'm keenest on something that is "oem plug & play" rather than modifying wiring, but I don't want to keep replacing coils every 60,000km (give or take).
OP, what did you go for in the end?
Thx
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