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Thread: Yay! New problem, Fuel pump control

  1. #1
    Join Date
    Jun 2018
    Location
    Winnipeg
    Posts
    27
    My Cars
    2008 BMW 323i

    Yay! New problem, Fuel pump control

    I was loving my car again, picked up the kiddies, then it ran like a bag of shit. Really ruff, like misfiring, but the plugs and coils are new in the summer. Took out the trusty code reader and it said fuel pump control. Is it a quick easy replacement or does it require programing, and for me to hang up my noose I was saving for Christmas.

  2. #2
    Join Date
    Jun 2002
    Location
    Aberdeen, NC (yes, again)
    Posts
    23,711
    My Cars
    E39M5, E500 4WD
    If indeed the problem is the fuel pump control module, it lives behind the rear seatback, If you replace it, it will need to be programmed / coded with ISTA.

    I'd have to recommend that you have the car diagnosed with ISTA, to make sure that your code is an accurate representation of what you need to do to fix this. I'd personally want to run an ISTA test plan, and see the screen tell me "replace fuel pump control unit".

    Here are the directions, but without pictures:

    2008 BMW 323i Sedan (E90) (CANADA)
    L6-2.5L (N52)
    16 14 500 Removing and Installing/Replacing Control Unit for Electric Fuel Pump

    Vehicle
    Powertrain Management
    Fuel Delivery and Air Induction
    Fuel Pump
    Fuel Pump Control Unit
    Service and Repair
    Removal and Replacement
    16 14 500 Removing and Installing/Replacing Control Unit for Electric Fuel Pump

    16 14 500 Removing and Installing/Replacing Control Unit for Electric Fuel Pump
    16 14 500 Removing And Installing Or Replacing Control Unit For Electric Fuel Pump



    image



    IMPORTANT: Read and comply with notes on protection against electrostatic discharge (ESD protection). See: Vehicle > Vehicle Damage Warnings > 61 35 ... Notes on ESD Protection (Electro Static Discharge)



    image



    Necessary preliminary tasks:
    - E81, E82, E87, E91, E92 and E84:
    Remove backrest side section for right rear seat
    - E90:
    Remove backrest See: Seats > Removal and Replacement > Removing and Installing/Replacing Backrest



    image
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    Zoom/Print




    Disconnect plug connection (1).
    Release nuts (2) and remove control unit (3).

    Installation:
    Tightening torque 16 14 2AZ.



    image



    Replacement:
    - Except for M3, carry out programming/coding (M3 is not programming - or coding-relevant) See: Vehicle > Programming and Relearning > Vehicle Programming and Coding

    Chris Powell
    Racer and Instructor since, well. decades, ok?
    Master Auto Tech, owner of German Motors of Aberdeen
    BMWCCA 274412
    German Motors is hiring ! https://www.bimmerforums.com/forum/s...1#post30831471

  3. #3
    Join Date
    Jun 2018
    Location
    Winnipeg
    Posts
    27
    My Cars
    2008 BMW 323i
    Creator C310 C310+ BMW Diagnostic Scanner V6.5 Airbag/ABS/SRS Diagnostic Scan Tool for BMW . That is the scanner I used, and if I buy that ISTA program will I be able to program it myself?
    Last edited by Phillipdaddy; 10-19-2018 at 08:45 PM. Reason: spelling

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