BMW 3 (E46). Manual - part 251
Component
Year, model
Location
Refer to
Headlight vertical
aim load sensor,
front
1999 - 2001
Front subframe, right side
Fig. 59
Headlight vertical
aim load sensor, rear
1999 - 2001
Rear subframe, right side
Headlight washer
pump
1999 - 2001
Front of washer tank, right front
engine compartment
Heater blower
see A/C blower entries
Heater core
temperature sensor
1999 - 2001
Behind center console below radio
Fig. 45
Heater recirculation
distribution motor
see Air distribution motors
Heater regulator air
distribution motor
see Air distribution motors
Heater valve
assembly
1999 - 2001
Mounted on inner side of left strut
tower
Fig. 27
Heating-A/C
see A/C entries
High beam switch
see Turn signal/headlight dimmer
switch (stalk switch)
Hood switch
see Engine hood security switch
Horn button
1999 - 2001
On steering wheel pad
Horn relay
1999 - 2001
Main relay panel behind glove
compartment
Fig. 14
,
Fig. 15
Horn (left/right)
1999 - 2001
Next to front bumper impact
absorber (left/right)
Hot-film mass air
flow sensor
see Mass air flow sensor
Idle speed control
valve
1999 - 2001
Under intake manifold
Fig. 23
Ignition coils
1999 - 2001
Top of cylinder head, under plastic
cover
Fig. 25
Ignition relay
see Unloader relay
Ignition switch
1999 - 2001
Right side steering column
IHKA
see A/C entries