Blower Motor: Service and Repair

Removal & Installation

Note: On 6 cylinder car, the plastic top cover and fuel rail cover must be removed.The fuel injectors harness retaining screws must be removed and the harness set aside.the engine control module (ECM) cover must be removed, the control unit connectors unplugged and the harness pulled out of the way.

1. Disconnect negative (-) cable from battery.

Detach Grille Retaining Clips (arrows) And Pull Upward:

2. Open hood. Unclip engine bulkhead plenum grille at base of windshield and remove grille. Detach grille retaining clips (arrows) and pull grille upward and out of rubber gasket.

Wiring Harness Cover Screws At Base Of Windshield:

3. Remove wiring harness retaining clip at bulkhead. Remove screws retaining wiring harness cover and pull cover forward.

Right Side Plenum Retaining Screws:

4. On passenger side, push aside wiring harness and remove two screws retaining plenum housing.

Remove Screw At "A" And Pull Plenum Upward:

5. On driver side, push aside wiring harness and remove screw retaining plenum. Pull plenum up and remove from engine bay.

Blower Motor Housing Clips "A"; Control Cable "B"; Center Retainer "C":

6. Unclip blower motor housing cover, disconnect control cable, and turn center retainer 1/4 turn to remove cover.
7. Disconnect electrical connection from blower motor.

Spring Clips On Driver Side Of Blower Housing:

8. Remove left upper section of blower housing by detaching spring clips at edge of housing.
9. Release blower motor retaining strap and remove blower motor and fans from cowl opening.

Note: Twist and rotate blower motor assembly to facilitate from opening. If the blower motor is to be reinstalled, use care not to damage fan wheels during removal. If the blower motor is to be replaced, cut off fan wheels at center to aid in removal.

10. Installation is reverse of removal. When installing a replacement blower motor, install motor into cowl area before installing fan wheels.

Note: On replacement blower motors from BMW, fan wheels come unattached to aid in installation. Locate arrow on blower motor and install fan wheels at this position. Be sure color coding matches. Retain fan wheels using the new clips.