BMW 1S 2S 3S 4S 5S 7S X1 X3 X5 X6 Z4 E90 E60 E66 E70 F10 F18 F02 F07 F25 Electric seat adjusting gear
gear Adjusting rotating gear
BMW 7 Series E66 730 7405 Series Seat Adjustment Gear Seat Regulator
BMW 520 523 525 528 530 535 550 Electric Seat Adjusting Gear Pulley Rotary Gear
When BMW's seat is not properly adjusted, and the seat has abnormal noise, it is usually the plastic gear of the original car cracked or damaged.
Dismantling usually involves gear cracking, notch and screw disengagement.
Removal and replacement of WECHIPS metal electric seat gears can generally be solved.