1.0 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 compressibil
REPLACING MICROFILTER FOR INTERIOR VENTILATION
Necessary preliminary tasks:
Remove microfilter housing.
Unclip catches (1) and remove microfilter (2).
Installation:
Reset Condition Based Service display according to factory specification.
Fig. 69: Identifying Catches And Microfilter
REPLACING R
WARNING: Danger of scalding!
Only perform this work after engine has cooled down.
IMPORTANT: Wear protective goggles and gloves.
Necessary preliminary tasks:
Follow instructions for working on cooling system.
Remove fan cowl.
Drain coolant.
Unlock coolant hoses and detach.
Release screws.
R