Description:
Gear repair kit for A8 MMI screen mechanism 4E0857273D (2003-2007)
This repair kit is improve version made by high durable material of copper, it include 3pcs gear wheel. If your MMI screen stuck closed, not full open or there are grinding noise when it moving that indicated your MMI gear or gears are broken. The original gear is made by plastic, their weakness and liable to deteriorate, leading to broken teeth after a long term.