REMOVAL & INSTALLATION Except 5 and 7 Series Models
The wiper and washer control relay is located in the under hood relay box, between the shock tower and the cowl. The relay the right-most, rear unit and pull out of the socket.5 and 7 Series Models
The control module for the wiper and washer is located under the left, rear seat. Disconnect the negative battery terminal and remove the rear seat cushion. Remove the screws and the cover. Use tool 00 5 590 or equivalent to pull the units out. The unit on the outside is the control module and the inside unit is the control relay.