E46 Electric Fan & Shroud Procedure
The following information is provided for reference purposes only and should be used at your own risk
In no event shall Beisan Systems, LLC or its members be liable for incidental, consequential, or special loss or damages of any kind however caused.
Open front hood.
Remove 3 rivets at top of air intake duct at top of radiator.
For each rivet, pry out rivet center pin (tack lifter), then pull up on rivet to remove.
First, disconnect the air intake duct from the air filter housing.
Then, press in on the duct fore and aft at the filter housing to release the duct tabs, Finally, pull the duct out of the filter housing.
Remove intake air duct from engine bay.
Start by disconnecting the AUC (smell) sensor and fan electrical connectors at the top left of the fan shroud.
Next, press in on the AUC sensor electrical connector’s top clip and pull out the electrical connector.
After that, press in on the fan electrical connector’s side clips and pull out the electrical connector.
Disconnect the fan electrical connector cable from the fan shroud clip.
At the top left of the fan shroud, remove the mounting bolt using a T25 torx bit socket and a 1/4″ ratchet.
Next, remove the rivet located at the top right corner of the fan shroud. Pry out rivet center pin (tack lifter), then fully pry out rivet from base (tack lifter).
Pull fan/shroud strait up and out of engine bay.
Fan & shroud installation (E46 Electric Fan & Shroud)
Finally, lower the fan into the engine bay against the radiator, allowing the lower fan shroud tabs to insert into the frame mounting slots.
First, insert the electric fan/shroud into the engine bay.
Then, orient the fan so the AUC sensor is positioned at the top left.
Install rivet at top right corner of fan shroud. Pry rivet center pin out, fully insert rivet base into shroud, then press in rivet center pin.
Install fan shroud mounting bolt at top left corner (T25 torx bit socket 1/4″ / 1/4″ ratchet).
Install fan and AUC electrical connectors.
Insert each connector until clip “click” sound is heard.
Insert fan electrical connector cable into fan shroud clip.
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Install air intake duct on top of radiator.
Insert duct into air filter housing until tabs insert into slots.
Install 3 rivets at top air intake duct. For each rivet, pry rivet center pin out, fully insert rivet base into air intake duct, then press in rivet center pin.
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