Ews Control Module. Replacing; Transmitter Receiver Module; Ring Antenna - BMW 5251 Service Manual

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EWS control module, replacing
NOTE-
EWS control module location varies depending on version of
EWS installed. Checlc the table €39 EWS applications.
-
Disconnect battery negative (-) cable.
CA UTIOI\C
Prior to disconnecting the battery, read the battery discon-
nection cautions given in 001 General Warnings and Cau-
tions.
-
EWS II: Control module is accessible from behind glove com-
partment.
Remove trim below glove compartment.
Lower relay and module holder to access EWS control
module
EWS Ill: Control module (A836) is located to left of steering
column, below dash.
Remove trim below steering column.
Unplug module and remove from holder.
Installation is reverse of removal.
Transmitter / receiver module
Only EWS II vehicles are equipped with a separate transmit-
ter! receiver module attached to the steering column trim on
the right side of the column.
Ring antenna
-
Remove ring antenna using BMW special tool 61 3 300.
Remove upper and lower steering column trim.
Disconnect harness connector to ring antenna.
Pry off ring antenna using BMW special tool 61 3 300 or
equivalent flattened prying tool.
Alternatively, remove ignition switch key cylinder:
With ignition ltey in ON position (60" from LOCKED), insert
thin piece of stiff wire into opening (arrow) in lock cylinder
and pull lock cylinder out.
-
Detach ring antenna harness connector.
Gently work ring antenna off ltey cylinder.
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