Bleeding hydraulic circuit
WARNING: This page is about a different car, the 2011 BMW 750xi and 2010 BMW 750xi. However, it is still accessible from the selected car via links, so may be relevant.
- Thoroughly clean fluid reservoir and its immediate surroundings with cap closed
- Check and correct fill levelNOTE: The fill level must not be above the "MAX" mark (80 °C) with the engine at normal operating temperature.
When filling observe temperature indication of dipstick.
Hydraulic fluid: see OPERATING FLUIDS
- Start engine
- Turn steering wheel left and right twice in each case up to full lock; if necessary, top up hydraulic fluid (e.g. if hydraulic system is completely drained)
- Move steering wheel to straight-ahead position and turn off engine
- Check and correct fill level with engine stopped
- Check reworked components on hydraulic system for leaks