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07 BMW 750 misfire random cylinder - 2007 BMW 750Li Sedan

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6ya6ya
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Posted on Jan 02, 2017

p_murfy
  • 63 Answers

SOURCE: misfire on cylinder 4 & 5. combustion miss with cylinder cutout.

the best way to diagnose a misfire is to move the ignition coils of those cylinders(4 and 5) to different cylinders to see if the misfire will move. you can also move the injectors around and even the spark plugs.(make sure to keep a good record of where you are moving them). if you can't get the misfires to change cylinders. your next step would be to do a compression check on all cylinders. air leaks in the intake system can cause misfires but usually it isn't on the same cylinders all the time

Posted on May 03, 2009

  • 6 Answers

SOURCE: 07 bmw door wont close

its the motorize lock mchanism need new one..

Posted on Mar 11, 2011

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