515-2
Central Locking
Note:
There is a door lock key cylinder on the
driver's door only
Central locking in E46 vehicles controls
the door locks, trunk or cargo
compartment lock and fuel filler flap
lock. The Central Body Electronics
(ZKE V) control module, known as the
General Module (GM V), controls
central locking.
The door lock actuators are sealed, self
contained units with no replaceable
parts. The actuators use Hall effect
sensors in place of pin contacts and
microswitches to provide door
OPEN/CLOSED status signal. Each
door lock-button only affects the
actuator it controls. There is no effect
on the central lock control of other
doors.
The automatic locking feature can
activates the door lock actuators when
a road speed signal of 2.5 MPH is
detected via the K-Bus. The factory
default coding for this feature is OFF,
but can be coded ON for individual
users with the Key Memory function.
See
Car Memory/Key Memory
later
in this section.
The driver's door lock location is the
only point outside of the vehicle where
the key can mechanically control all of
the central locking system functions.
The outside locks (driver's door and
trunk) incorporate an overrunning lock
cylinder that breaks away and
freewheels if an attempt is made to
destroy either with a screwdriver or
dent puller.
The rear doors are equipped with the
child lock-out lever preventing the door
Central Locking and Anti-Theft
http://ebahn.bentleypublishers.com/BMW/3/E46/Repair%20Manuals/5...
1 of 14
2/25/2009 10:53 PM
Summary of Contents for 1999-2005 M3
Page 1: ......
