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      12-04-2012, 02:48 PM   #9
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Jeff@TopGearSolutions's Avatar

Drives: C6 Z06, 09 335i, 10 335xi
Join Date: Dec 2008

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Originally Posted by sammy_0559 View Post
I did all the work, i double checked the values on the injectors and i will check again today. but I'm 99.9% sure they are coded and installed right everything is torqed to spec, and the plugs are new lol the car is literally 1 day old of a 3 month coma.. i was expecting a new car that just rolled out of the dealer haha i should have took the block off and got it bored. and ported the head.. LOL to rule out everything.
Could be a tiny vac leak? That is really the only other thing if everything is that new and perfectly installed. But like I said, this car had a poor idle always, some worse then others.

My last car had that shutter you speak of, but it was because I had over sized injectors from the blower and nitrous i was running. A little tuning fixed that though. It's usually fuel related when you get that random shudder.
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