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      06-07-2012, 12:20 PM   #12
Drives: '08 E90 335i
Join Date: Jan 2012
Location: Northern NJ

Posts: 2,396
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2008 BMW 335i  [3.75]
Poor choice making the eBay purchase -- Sounds like you either got screwed with a fake/broken JB+ or when you're putting the tune on, it's inducing misfires since you're running the car at a higher performance settings. I'm dealing with this right now -- My car was running at COBB Stg 1, but now that I've bumped the tune up to Stg 2 the car is misfiring (replacing the plugs/coils this weekend).
benzy89 is offline   United_States
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