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E38 728i M-Sport - Engine Fail/Safe Prog Mode

Discussion in '7 Series' started by mohdito, Dec 21, 2016.

  1. mohdito

    mohdito Club Guest

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    Hi everyone,

    Just had the car sevice and after running hardly 100km, the car didn't want to start in the morning. Tried again in the afternoon with air-cond turned off and the engine kicked in reluctantly. It died down couple of times but finally managed to keep it running by revving it up a bit. Then the tell tale indicate ENGINE FAIL/SAFE PRGM mode and the rev wouldn't go up above 2500 rpm. Took the car to to the w/s and ran diagnostic test but no fault found. Mechanics ran battery test and suggested new battery replacement. Battery test showed weak battery and suggested replacement.

    Anyone experiencing similar problem? Appreciate your opinion.

    BTW: Currently using GP-ATLAS MF battery DIN 100 since March 2013.
     
  2. Herbert

    Herbert Well-Known Member

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    Beside the weak battery (which can caused the Engine Fail code), do check the camshaft sensors.
     
  3. mohdito

    mohdito Club Guest

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    Will do after battery replacement.

    Any suggestion which MF battery to use.

    Thanks a lot bra.
     
  4. Herbert

    Herbert Well-Known Member

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    MF batteries such as Varta, Bosch S5 or S4 are good.
     
  5. mohdito

    mohdito Club Guest

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    Changed battery and serviced idle valve.

    Problem solved.

    THANKS HERBERT!!

    :D
     

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