How to Replace a BMW Windshield Wiper Motor

1. Disconnect the cable from the negative battery terminal. Loosen the retaining nut on the cable clamp and pull the clamp off.
2. Pull the wiper arm assembly away from the windshield.
3. Remove the retaining nut holding the wiper blade to the wiper motor assembly.
4. Remove the trim covering the wiper motor. This trim is located under the wiper arm assembly where the arm connects to the motor. Use a screwdriver to remove the screws holding the trim in place, then pull the trim off.
5. Remove the bolts holding the wiper motor in place and pull the wiper motor out.
6. Unplug the electrical connector on the motor, and install the new motor. Installation is the reverse of removal for this component.