Front Seat Lumbar Support Not Working
BMW technical service bulletin M520113 for 2012-2014 BMW 650I, 2012-2014 BMW 640I and 2013-2014 BMW M6.
- Bulletin number
- M520113
- Component
- Seats
- Summary
- Front Seat Lumbar Support Not Working. The lumbar support does not function properly or at all for one or both front seats. CAUSE In most cases, the lumbar knob will rotate with limited or no movement of the lumbar support; this is due to a fractured or broken lumbar support.
Owners of these vehicles have filed 3 complaints in the seats category.
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