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Thread: Cylender 5,6,7 and 8 shut down?

  1. #1
    Join Date
    Jul 2019
    Location
    Delaware
    Posts
    1
    My Cars
    2008 M3

    Cylender 5,6,7 and 8 shut down?

    I have a 2008 M3 with 106,000 miles. I have started getting th eservice engine along with th eemergency engoine falure message. The codes that come up are multiple misfires on 5,6,7 and 8 . Then withe th eShut down of the same 4 cylenders. First few times I also got a code for th eE-box fan maulfunction. Well I replaced the E-box fan. I put in new spark plugs and chenged the coils from one side to the other. Now I no longer get the E-box fan code but I am still getting all th emisfires and shut down of half the engine (Cyl. 5,6,7,and 8) I am at a loss as to what to try next. Please ! Ideas?

    Perplus

  2. #2
    Join Date
    Dec 2009
    Location
    California
    Posts
    17
    My Cars
    03 E39 540i MSport 6spd
    If you are getting misfires on the same cylinders are swapping coils and new plugs, my next step would be a compression test.

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