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E39 suspension woes

  • 13-04-2012 12:41pm
    #1
    furtzy
    Closed Accounts Posts: 1,464 ✭✭✭


    Looking for an BMW E39 expert mechanic. Suspension knocks and bangs and shudders over small bumps. The problems seem confined to the passenger side. It also feels vague and wooly at speed. Had the front shocks, front shock top mounts, rear control arm and front passenger arb replaced but still the problems persist......any recomendations?


Comments

  • #2
    Plug
    Registered Users, Registered Users 2 Posts: 9,248 ✭✭✭Plug


    Check ball joints arb links and bushes. Did the problem occur after getting the shocks done? An incorrectly coil/shock assembly can cause knocking noises.


  • #3
    furtzy
    Closed Accounts Posts: 1,464 ✭✭✭furtzy


    No it was there before the front shocks were replaced. The pasenger front shock was knackered so we thought replacing them would cure the issue. The knocking persists with the front but it is the rear thats causiing most concern now. The rear passenger control arm was replaced less than 800 miles ago as it was badly worn. No other looseness or play was detected at the rear during the replacement


  • #4
    Onwardandupwar
    Closed Accounts Posts: 130 ✭✭Onwardandupwar


    Did he change the front control arms there aluminium and a ball joint at the end to the hub I bet this is the source of your troubles have seen it plenty of times.


  • #5
    furtzy
    Closed Accounts Posts: 1,464 ✭✭✭furtzy


    No he just changed the shocks and the shock top mounts. Thanks for that worth checking out. I belive theres a couple of BMW experts knowcking around on boards.ie..... Nissan Doctor???


  • #6
    Nissan doctor
    Closed Accounts Posts: 8,223 ✭✭✭Nissan doctor


    furtzy wrote: »
    No he just changed the shocks and the shock top mounts. Thanks for that worth checking out. I belive theres a couple of BMW experts knowcking around on boards.ie..... Nissan Doctor???


    Did you have the ARB links/bushes replaced?

    Could be the wishbone/LCA bushes are the balljoints as mentioned above.

    Everything is just stabbing the the dark without seeing/hearing it though TBH.


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  • #7
    furtzy
    Closed Accounts Posts: 1,464 ✭✭✭furtzy


    Nissan doctor wrote: »
    Did you have the ARB links/bushes replaced?

    Could be the wishbone/LCA bushes are the balljoints as mentioned above.

    Everything is just stabbing the the dark without seeing/hearing it though TBH.

    passenger side ARB was done as well as rear control arm.

    PM sent


  • #8
    Onwardandupwar
    Closed Accounts Posts: 130 ✭✭Onwardandupwar


    Trust my it's the aluminium control arms Notting else I no and have seen enough of them


  • #9
    furtzy
    Closed Accounts Posts: 1,464 ✭✭✭furtzy


    Onwardandupwar wrote: »
    Trust my it's the aluminium control arms Notting else I no and have seen enough of them

    Correct. Lower rear control arm. Fixed by Nissan Doctor.

    Front even seems a lot better now as well :D


  • #10
    Nissan doctor
    Closed Accounts Posts: 8,223 ✭✭✭Nissan doctor


    furtzy wrote: »
    Correct. Lower rear control arm. Fixed by Nissan Doctor.

    Front even seems a lot better now as well :D



    Upper rear control arm;)


  • #11
    furtzy
    Closed Accounts Posts: 1,464 ✭✭✭furtzy


    Nissan doctor wrote: »
    Upper rear control arm;)

    :D Indeed....had the lower one done already!


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