BMW X3 Service & Repair Manual: Zf rack-and-pinion steering
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.
E24, e28, e32, e34, and e38
E24, E28 produced prior to 9/87
Pentosin CHF 4548 was used for initial factory filling.
For filling up and replacement the following oil is to be ...
Other materials:
BMW X3 Service & Repair Manual > Electronic switching or control units: Replacing pulse sensor on exhaust camshaft (N20)
IMPORTANT:
Read and comply with notes on PROTECTION AGAINST ELECTROSTATIC
DISCHARGE (ESD PROTECTION) .
Necessary preliminary tasks:
Read out the fault memory of the DME control unit.
Switch off ignition.
Unlock connector (1) and remove.
Release screw (2).
Remove pulse sensor ( ...