Headlight washer pump in fluid reservoir if equipped.
Bmw e46 headlight washer not working.
Windshield wiper motor arms and blades.
Typically the problem is the contact point on the bottom of the bulb has oxidised or become fouled so that a clean connection no longer exists between the bulb and the lighting sensor.
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While corner lights should not affect headlight operation on the bmw e46 the headlight failure indicators can come on due to problems with corner bulbs.
Yes there are 2 pumps.
The bmw e46 wiper and washer system consists of the following.
Washer fluid reservoir with fluid level sensor in engine compartment.
Tailgate window wiper motor arm and blade sportwagon.