Question about 1997 BMW 318

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1996 328i bmw sometimes loses power and won't pass smog test

1996 328i bmw, 5sp loses power somtimes and is unable to pass smog test. 4dr sedan

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  • dougiefam Dec 26, 2008

    check engine is on

  • John Weathers
    John Weathers May 11, 2010

    Is the check engine light on? 

  • Anonymous Mar 16, 2014

    wont pass smog?

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  • Master
  • 409 Answers

Ok you will have to have it scanned. It probably has cylinder misfire codes and random cylnder misfires. You could need spark plugs and or coils. The scan will tell you exactly which cylinder is missing. That will cure your problem and remember to change your oil and filter right before you go in for the smog test. Also if the car hasn't been serviced in a while it would be a good idea to replace the air filter and fuel filter.

Posted on Dec 26, 2008

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Posted on Jan 02, 2017

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