Blower Motor - Insufficent Clearance to Perform Service

9217bmw01

Group 64
Heating and
Air Conditioning


Bulletin Number
64 01 92 (3492)


Woodcliff Lake, NJ
February 1992
Product Engineering


SUBJECT: Blower Motor Replacement

MODELS: E36


Situation:
Complaint of insufficient clearance to allow servicing of blower motor assembly on E36 vehicles. Attached to this S.I. are repair manual pages that can be used as a reference for performing this operation.

Solution:
E36 w/M50 Engine: Follow repair instructions.

E36 w/M42 Engine: Follow repair instructions; however, steps associated with removing and reinstalling the injector cover can be skipped. The size of the M42 engine allows easier removal of the blower motor.

Warranty
Status:
Information only.





64 11 212

Removing and installing blower motor (M50)

Carefully pull off the weatherseal and remove the cowl grill.





Loosen the screws in the trough (air duct) below the wiper arms.





Loosen the screws on the passenger side and remove bracket.





Loosen the screw on the driver side.





Remove entire trough (air duct) by pulling upwards.

Note: This may require considerable effort to remove.





Unclip injector cover, loosen screws, and remove injector cover.





Unclip coil cover and loosen screws.





Remove coil cover.





64-11/11

Loosen screws and tilt wiring cover forward.





Pull connectors off of control units.





Loosen screws and push bar on intake manifold to side.





Disconnect bowden cable.





Pull off clips and remove blower fan housing cover.





Disconnect connector plug.





Pull off clips and remove left side of fan cover.

Note: The unit remains installed in the vehicle. It is shown removed for clarity.





Cut the blades of the blower fan at hub and remove with blower.





64-11/12


Installation Note: Push the color-coded blower wheel onto the respective shaft of the fan motor, noting the arrow on the blower.





Caution! Fan Blower Wheels are balanced, and fit onto the fan motor shaft in only one position. The proper position is defined by the different protrusion lengths of the pins through the fan motor shaft.