Coops Posted February 11, 2010 Report Share Posted February 11, 2010 I've got a random knocking noise on my Cooper S.....at first it sounded like somehting was rolling around in the boot but I've removed everything and its still happening...it sounds as if its coming from underneath the car and only happens when there is a change in speed....it isn't consistent. Any ideas guys???? Link to comment Share on other sites More sharing options...
ivor2 Posted December 11, 2011 Report Share Posted December 11, 2011 not sure if its the same thing but earlier this year my wifes 09 cooper had a rattle , we couldnt pinpoint it other than that it occurred on rough road when going reasonably slowly , after a few days dealer discovered it was a worn gearbox mount ! (kindly fixed under warranty) Link to comment Share on other sites More sharing options...
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