The blower fan is an important component of the air conditioning (A/C) system on the BMW E46. If the blower fan begins to malfunction, air will not flow out into the interior passenger compartment. Thankfully, removing the blower fan is fairly simple and should only take two hours or so to complete. Once removed, you can repair the blower fan or even replace it completely.
- Skill level:
- Moderately Easy
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Things you need
- Phillips screwdriver
- Torx screwdriver
- Flat head screwdriver
Turn the engine of the E46 off and open the bonnet. Remove the three plastic screws from the cabin filter with a Phillips screwdriver. Remove the cabin filter.
Disconnect the three wires near the rear of the engine compartment. Use a Torx screwdriver to uninstall the four Torx screws securing the filter assembly. Remove the plastic screw on the right side of the ECU with a Phillips screwdriver.
Remove the two screws at the rear of the engine compartment, on the side of the rear cover.
Use a flat head screwdriver to pry out the two clips from the fan assembly cover. Remove the two screws as well and pull the cover off.
Remove the two screws securing the blower fan and disconnect its power connector. Carefully pull the fan blower out of the engine compartment.
Tips and warnings
- Do not drop any of the screws into the engine compartment as it will be very difficult to get them out.
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