BMW X3 Owners Manual: Washer fluid reservoir
All washer nozzles are supplied from one reservoir.
Fill with a mixture of windshield washer concentrate and tap water and - if required - with a washer antifreeze, according to the manufacturer's recommendations.
Mix the washer fluid before adding to find the right mixture.
Do not add windshield washer concentrate and antifreeze undiluted and do not fill with pure water; this could damage the wiper system.
Do not mix window washer concentrates of different manufacturers because they can clog the windshield washer nozzles.
Recommended minimum fill quantity: 0.2 US gal/1 liter.
Hints
Antifreeze for washer fluid
Antifreeze is flammable and can cause
injury if it is used incorrectly.
Therefore, keep it away from possible sources
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Other materials:
BMW X3 Service & Repair Manual > Heater with operation: Replacing actuator drive for rear compartment flap
Necessary preliminary tasks:
Remove RIGHT GLOVE BOX WITH HOUSING
Release screws (1).
Detach actuator drive for rear compartment flap (2) from heating/air conditioning unit.
Unlock associated plug connection and disconnect.
IMPORTANT:
Servomotors must be readdressed in the event ...