REMOVING AND INSTALLING
MICROSWITCH FOR DOOR
CONTROL

Remove door complete with the
baseplate - see 51 33.
Remove lock - see 51 21.


Siehe auch 51 33 000
Siehe auch 51 21 000
 
Unscrew screws.
Take off microswitch.

151053 - click to zoom
 
Installation:
Adjusting Microswitch:
Press lever (4) -> lock in middle
position.
Release lever (4).

151054 - click to zoom
 
Measure resistance between pin 2 and
pin 3.

3461046 - click to zoom
 
Move microswitch up in direction of
lever (5) until the microswitch switches
continuity between pin 2 and pin 3.
Resistance: approx. 0.1 to 0.2 ohm.
Tighten switch and lock with a bolt
cement*.

Important!
Never move the switch further up,
since this would switch the second
stage.


Siehe auch * Source of Supply: BMW Parts
151056 - click to zoom
 
Function Test:
Press lever (4) against the stop.
Measure resistance between pin 3 and
pin 1.
Microswitch must have switched to
continuity.
Resistance: approx. 0.1 to 0.2 ohm.

 
Note:
A damaged microswitch could result
from excessive bearing play of lever
(5) in the lock.
Check bearing play of lever (5) and
bearing play of the hollow-drilled shaft
end, replacing the lock if necessary.