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Old 08-27-2017, 10:04 PM   #25
equ
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Join Date: Aug 2005
Carmudgeonly Ride: 981S, 340i
Posts: 9,580
Did the DIY. I had some other stuff going on, so it took the better part of a day on and off. Total time spent, way more than an hour, probably two. Next time around, maybe 30-40 minutes, done carefully, but definitely not roadside work. Some cables/harnesses to unclip and move around. Turbo intakes all running on top etc. Coils themselves were relatively easy to pop in and out. Access? Not so much. I think part of the problem was that there was exactly zero write-ups/DIY's to follow for the f10 platform. Only for e90 and f30 with the same engine. So I had to remove as I went and figure it out.

Anyway, it does feel a bit better, still a slight idle shake but dare I say it, car feels smoother and stronger 2 to 4k rpm, i.e. under load. We will see if the CEL comes back.
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