Window Regulator Service; Window Regulator Motor - BMW 1999-2005 M3 Service Manual

Door Windows
1 of 6
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Window Regulator
Service
WARNING!
E46 cars are fitted with
side-impact airbags in the front
doors. Some are equipped with
airbags in the rear doors as well.
When servicing the door
windows on cars with
side-impact airbags, always
disconnect the negative (-)
battery cable. See
System (SRS)
procedures relating to the airbag
system.
Prior to disconnecting the
battery, read the battery
disconnection cautions given at
the front of this manual on page
viii.

Window regulator motor

Note:
Because window operation is
electronically controlled, a window
motor does not have mechanical end
positions. For this reason it can be
removed and installed with the window
in any position and does not need
reinitialization.
To remove motor:
Remove inner door panel and
vapor barrier
Detach window motor electrical
512-4
721 Airbag
for cautions and
2/25/2009 10:45 PM