NOTE: The hydraulic fluid reservoirs are marked on the rim of the reservoir and/or the reservoir cap to show which type of oil can be used: ATF oil or Pentosin CHF oil.
The ZF rack-and-pinion steering has lifetime lubrication and is thus maintenance-free.
For topping up/filling hydraulic system:
POWER STEERING OIL
NOTE: Vehicles with AFS/ARS (Dynamic Drive / Active Steering / Active Roll Stabilization) are filled as standard with Pentosin CHF 11S.
In case of repair, the affected steering components must be lubricated with the following grease:
COMPONENT GREASE
NOTE: Calypsol D 4024-OK is a sodium-saponified, cold-resistant grease whose lubricity ranges from -30 ºC to +75 ºC.
BMW X3 Owners Manual > Electronic oil measurement: Detailed measurement
The concept
In the detailed measurement the engine oil
level is checked and displayed via a scale.
Gasoline engine:
If the engine oil level reaches the minimum
level, a check control message is displayed.
Diesel engine:
If the engine oil level reaches the minimum
level or an overfilling is ...