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need help with a nocking noise from M5 engine

Discussion in '5 Series' started by m5power, 5 July 2010.

  1. m5power

    m5power Newbie

    Messages:
    1
    From:
    ipswich
    Car:
    bmw m5 classic 2.5l
    hi ppl ive got an issue with my engine ive got an knocking noise comeing from it and i dont have a clue wer it is ive repalced the head gasket replaced the cam shaft the oil pick up n im not sure any more any ideas ?
     
    m5power, 5 July 2010
    #1
  2. turbonutter69

    turbonutter69 TC ModFather Moderator

    Messages:
    18,967
    From:
    Alone in the dark.
    Car:
    Insignia SRI.
    Re: need help with a nocking noise from the enginge

    Welcome.
     
    turbonutter69, 5 July 2010
    #2
  3. pgarner

    pgarner TC ModFather Moderator

    Messages:
    16,521
    From:
    Lockerbie, SW Scotland
    Car:
    Octy smoke machine
    Re: need help with a nocking noise from the enginge

    hey and welcome to the site mate.

    are these engines not chain driven rather than timing belt ? it isnt slack by any chance is it

    hard to tell with knocking noises as could be a whole host of stuff. is it from the top or bottom ? all the time or only on idle, part throttle, full throttle
     
    pgarner, 5 July 2010
    #3
  4. obi_waynne

    obi_waynne Administrator Staff Member Moderator

    Messages:
    41,306
    From:
    Deal, Kent UK
    Car:
    A3 1.4 TFSI 150 COD
    Is it a tapping, intermittent bang or regular knocking? Is it definately the engine or the gearbox?

    Obvious things, are all the engine covers and hose/wire clips secure?

    Welcome to TorqueCars, i've moved this to our 5 series forum where it will get more attention than if left in the welcome forum.
     
    obi_waynne, 12 July 2010
    #4
  5. MasterAuron

    MasterAuron Very Senior Member

    Messages:
    5,117
    From:
    379bhp 359lbft
    Car:
    Mk1 Focus RS
    What sort of knocking? Where from? Could be anything from engine mounts to big ends.
     
    MasterAuron, 12 July 2010
    #5
  6. marti5

    marti5 Road Burner

    Messages:
    295
    From:
    IPSWICH, Suffolk
    Car:
    BMW E38 735i 1997
    Possibly the double Vanos, is the nioise coming from the front at the end of the cams??
     
    marti5, 17 July 2010
    #6
  7. jarrus

    jarrus Pro Tuner

    Messages:
    3,501
    From:
    West Midlands, UK
    Car:
    Suzuki Swift Sport
    its too old to have the vanos system in it
     
    jarrus, 18 July 2010
    #7
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