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Posted on Sep 06, 2008
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BMW 320i year2002 e46

Car random misfire on a petrol car,parts fitted ht coils,spark plugs.

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  • glenn692000u Sep 08, 2008

    I am not empressed with your service at the present,since have not given me any feedback regarding misfire on bmw 320ise



    Single misfire on one coil or multi misfires on other days. The car from side to side and stops rocking from side to side when engine temp indicate just move out of the blue temp mark.



    Parts fitted 6 coils6 spark plugs, 4 02 sensors,fuel filter and pressure checked.

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  • Expert 243 Answers
  • Posted on Oct 31, 2008
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Joined: Oct 23, 2008
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I don't think your trouble is on the ignition side of it but I am sure that you must have a look at the idle speed control(stepper motor).
If with temperatuer your "misfire"changes to better, it means that it's probably running too lean at cold, normally the stepper motor or ISC does this job.
Let us know how you get on.
Cheers.

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