E39 Multifunction Steering Button Not Working

Discussion in 'E39' started by khc1866, Feb 7, 2019.

  1. khc1866

    khc1866 Club Guest

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    Need some help Bros, my multifunction steering wheel button not function. The radio control, auto cruise and horn not working. Already changed the springclock and ignition switch. Any other stuff that I migh have overlook? Fuse..relay etc etc...Any idea?
     

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