Hello ..thanks for the donation ... much apreciated
Hope this helps .. let me know
DESCRIPTION & OPERATION
All models have 2-speed wiper systems with an intermittent feature. Wiper control lever is located on right side of steering column.
Disconnect wiper motor connector at motor. Check for battery voltage at No. 15 (Violet/Black wire) on wiper control relay. Move wiper switch lever to lower position. Voltage should be present at Black/White wire at wiper motor.
If voltage is present and motor is properly grounded, wiper motor should operate. If not, check fuse No. 5 (No. 11 on 525i and 535i) and wiring (Violet/Black) if no voltage is present.
Function control of solid state wiper control unit is by ground circuit completion at wiper/washer switch. Refer to WIRING DIAGRAMS section for appropriate circuit diagram.
Wednesday, February 4th, 2009 AT 7:27 PM