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      04-09-2009, 05:49 AM   #6
Viper3812
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Drives: M Coupe
Join Date: Mar 2009
Location: Fl.

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Quote:
Originally Posted by hun77777 View Post
just feel like i'm getting rough idle and random misfire here and there and i figure it might be due to carbon built up. i'm just going to change it because dealer's quoting 90k miles and i know that's bit too ridiculous, especially on turbo car. i'm around 30k miles. N54 engine...
You do know that the N54 has a specialty spark plug socket? How much is Tischer selling it for?