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      01-09-2007, 10:00 AM   #1
therealm3
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Drives: F30 340 MSport
Join Date: Aug 2006
Location: CA, USA

iTrader: (7)

335 owners - misfire at idle?

Hey guys, I wanted to see if others are experiencing a similar thing with the 335. I don’t think this is the “cold start idle” issue because it happens when the car is warmed up and driven for awhile. Basically I come to a stop at a light and the idle goes to 600 per normal operation and then randomly there is a miss. Very noticeable as the whole car kind of shakes once. No surging or oscillating rpm afterwards just 600 rpm again. It is quick so there is no drop in rpm either. I have this happen pretty regularly but no check engine light. I hooked up the OBD2 scan tool and there are no stored codes either. Any one else having the same thing?

I am hesitant to take it into the dealer after the disaster I had with my E46 idle issues. 7 different trips to the dealer, weeks of total time in the shop and in the end I got a pat on the butt and told by BMW field engineer that the idle problems I documented very well using OBD2 Data logging were “normal”.
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