Over time, the wiper on BMW X5 E70, X6 E71, E90, E91, E92, E93 vehicles may slow down, the brush may stick during operation, or the wiper may stop moving completely. This is often due to worn plastic pinion teeth in the wiper motor for models 61617200510, 61614848601, 61617161711. Driving with a defective wiper can be dangerous, especially in adverse weather conditions.This product is a replacement gear for the wiper motor, compatible with BMW part numbers 61617200510, 61614848601, 61617161711. It is sold separately and designed to restore proper function to the wiper system.Installation instructions: - Remove the wiper trapezoidal linkage along with the electric motor. - Detach the motor from the linkage. - Note the position of the gear lever before removal. - Carefully remove the gear lever. - Press in the new gear. - Place a soft material such as a magazine under the plastic gear to protect it during installation. - Heat the gear slightly with a hairdryer to assist fitting. - Avoid using excessive force or metal tools that could damage internal components. - A vise may be used carefully during pressing. - Perform installation at room temperature. - Apply sufficient lubricant to fill all available space within the gear housing. - Reinstall the trapezoidal linkage and reconnect the electrical connector. - Turn on the wiper switch without installing the blade to reset the zero position. - Once the wiper stops, install the wiper blade. Symptoms indicating gear failure include intermittent wiper movement, sticking brushes, or complete loss of operation. If the motor sound is present but the wiper does not move properly, the issue is likely within the gear mechanism.Material: ABS Color: As shown Package Contents: 1 x Wiper Motor Gear Note: Light reflection and screen settings may cause slight color variations. The package includes only the items listed above.