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Ctm3092010-08-29 17:51:15 +0000 #1
I'm experiencing harder and rougher cold starts (spining more) at 9000 miles.

Can Techron help and could there be any danger in using it. It's rumored the dealer use's it for injector service.

I've used it before in other cars but maybe the M3 is a little touch'y
TrackRat2010-08-29 17:59:34 +0000 #2
Techron should be fine for the M3 also but it's unlikely your engine actual needs it at 9000 miles. It's probably something other than carbon build-up.

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