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2001 BMW 330i Check Engine Light

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New User

Aug 5, 2012, 5:01 PM

Post #1 of 2 (1543 views)
2001 BMW 330i Check Engine Light Sign In

Check engine light came on and had cheap reader put on car that said misfire detected . changed the spark plugs and still check engine light and then sounded like misfiring .. kinda backfire in the head sounded like or compression release of some sort. I then check the ignition coils by disconnecting each to see if could notice cylinder drop. each cylinder quit when disconnested ignition coils so says they are not completily bad. Just wondering what else should check before take it to the dealer

Ultimate Carjunky / Moderator
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Aug 5, 2012, 5:40 PM

Post #2 of 2 (1500 views)
Re: 2001 BMW 330i Check Engine Light Sign In

What was the code number?

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