Removal & Installation (M Coupe, M Roadster & Z3)

1. Ensure wiper motor is in park position. Open hood. Remove wiper arm covers. Remove wiper arm nuts. Remove wiper arms from wiper shafts.
2. Remove cowl cover and air intake for A/C-heater system. Remove screws attaching wiper assembly to cowl and move wiper assembly to passenger's side of cowl to disengage from guide. Disconnect wiper motor connector and remove wiper assembly from vehicle.
3. Remove nut attaching crank arm to wiper motor and remove crank arm. See Fig 1 . Remove screws attaching wiper motor to wiper assembly.
4. To install wiper assembly, connect and run motor. Turn wiper off to place wiper motor crank arm in park position. Install motor with crank in extended position. See Figure . To complete installation, reverse removal procedure. Tighten wiper arm nuts to 21.8 INCH lbs. (13 N.m). Wait 15 minutes and recheck torque of nuts.

Fig 1: Identifying Front Wiper System Components (M Coupe, M Roadster & Z3)

Courtesy of BMW OF NORTH AMERICA, INC.