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.


Fan & shroud removal

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.


Disconnect air intake duct from air filter housing.
Press in on duct fore and aft at filter housing to release duct tabs, and pull duct out of filter housing.

Remove intake air duct from engine bay.


Disconnect AUC (smell) sensor and fan electrical connectors at top left of fan shroud.
Press in on AUC sensor electrical connector top clip and pull out electrical connector.
Press in on fan electrical connector side clips and pull out electrical connector.


Remove fan electrical connector cable from fan shroud clip.


Remove fan shroud mounting bolt at top left of fan shroud (T25 torx bit socket 1/4" / 1/4” ratchet).


Remove rivet at top right corner of 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


Insert electric fan/shroud into engine bay.
Orient fan with AUC sensor at top left.
Lower fan into engine bay against radiator allowing lower fan shroud tabs to insert into frame mounting slots.


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.

 
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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