Question about 2009 BMW 523i

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I have 5 series bmw car e39 it cranks but the engine wont start..what is the problem?anyone please give some advice..

I already check the fuel pumpok and also all fuse are ok..i already check also the spark plugok..

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  • BMW Master
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Run the fault codes
check that the immobilizer is operational ( fob key battery)
check for broken timing belt/chain
check crank/cam position sensors
check the ignition control module

Posted on Oct 13, 2016

Testimonial: "thanks for the advice sir bill the immobilizer is ok and also i check the crank/cam sensor also ok..now im going to check the ignition control module.."

  • 2 more comments 
  • erlou caracal
    erlou caracal Oct 13, 2016

    "thanks for the advice sir bill the immobilizer is ok and also i check the crank/cam sensor also ok..now im going to check the ignition control module.."

  • erlou caracal
    erlou caracal Oct 13, 2016

    sir bill can you attach the file/picture of the ignition control module?if you dont mind, coz i dont know where is the exact location of that module..thanks..

  • erlou caracal
    erlou caracal Oct 13, 2016

    hello sir bill i check the ignition module and it was ok...

  • Bill Boyd Oct 13, 2016

    lastly read the fault codes

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  3. the CEL lamp must turn on key on or fuses are blown.
  4. connect scan tool,
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  13. ill stop at fueling,,, you need a fuel pressure gauge next..
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