Hints
Do not fold down the wipers without wiper blades. Do not fold down the wipers if wiper blades have not been installed; this may damage the windshield.
Front: Replacing the wiper blades
1. To change the wiper blades, fold up, the wiper arms.
2. Fold up the wipers.
3. Position the wiper blade in a horizontal position.
4. Remove the wiper blade toward one side.
5. Insert the new wiper blade in reverse order of removal until it locks in place.
6. Fold down the wipers.
Rear: replacing the wiper blades
1. Lift off the wiper fully and pull off the wiper blade, arrow.
2. Attach a new wiper blade. It must engage audibly.
3. Fold down the wipers.
BMW X3 Service & Repair Manual > Brakes: General information
Brake fluid, (glycol-based) as used in BMW brake systems, must conform with the following requirements:
High boiling point
Good low temperature resistance
Low compressibility
Corrosion inhibition for all metal parts inside of brake system
Compatibility with all rubber parts used in brake ...