BMW 3 (E46). Manual — part 257
5 - Convertible top module (CVM II)
6 - Hydraulic motor
7 - General module (GM V)
8 - Top storage cover lock motor
9 - Rear window defogger relays
10 - Storage cover lock hall sensor
11 - Roll-over cassettes and sensors
12 - Storage compartment floor
microswitch
13 - Convertible top switch
14 - Cover lock motor hall sensor
15 - Convertible top module (CVM II)
16 - Storage cover and hard top lock
hall sensor
17 - Storage cover hall sensor
Exterior electrical components
Fig. 67 Rear bumper
1 - Park distance control (PDC)
ultrasonic sensors
611-1
General
This repair group covers repair
information for windshield, headlight
(optional) and rear window (Sport
Wagon) wiper and washer systems.
Replacement of the wiper/washer stalk
switch assembly is covered in
612
Switches
. Electrical wiring diagrams
and relays for the wiper/washer system
are covered in Electrical Wiring
Diagrams.
Special tools
Although most wiper system repairs
can be carried out with normal shop
tools, a few special tools may be
necessary as well.
Headlight washer nozzle aligning tool
BMW 00 9 100
Rear wiper drive aligning tool BMW 61
1 330
Wiper arm removal tool BMW 61 6 060
Wiper and washer system
The wiper and washer functions in E46
vehicles are controlled by the ZKE V
general module (GM V). Driver input to
the system is via the multi-function
stalk switch to the right of the steering
column.
Operational faults in the wiper/washer
system will set Diagnostic Trouble
Codes (DTCs) which can be accessed
through BMW scan tools DIS or MoDiC.
The components of the wiper/washer
system are described below. Some
functions or components are optional,
as indicated.
Wiper/washer stalk switch. The system
has four wiper settings for the
windshield at the steering column stalk
switch.
The settings are:
A: Single wipe (hold stalk switch
down)
B: Off
C: Interval (thumb wheel on stalk
switch)
D: Slow (automatically switches to
interval when car is stopped.)
E: Fast (automatically switches to
slow speed when car is stopped.)
In "interval" setting, wiping intervals are
dependent on road speed. See
Table a. Wiper interval (seconds)
.
The windshield washer system is
activated by pulling the stalk switch
toward the driver.
In Sport Wagon models with rear
wiper/washer, pushing the stalk switch
one detent away from the driver
activates the interval rear wiper.
Pushing the stalk further forward
activates the rear window washer.
Windshield wiper double relay is in
E-box, left rear of engine compartment
(arrow) under plastic cover.
Rain sensor (optional). The infrared
rain sensor and module switch on the
windshield wipers automatically when
water drops are detected on the
windshield. The rain sensor system is
described more fully below.
Windshield/headlight washer fluid
tank is in right front of engine
compartment.
Windshield washer pump is in rear
portion of front washer tank (arrow).
Headlight washer pump (optional) is
in front portion of front washer tank.
Windshield washer nozzle jets are
located on the engine hood. With the
ignition ON, the washer jets are
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