OVERVIEW OF FRONT BRAKES
BMW X3 Service & Repair Manual > Approved hydraulic fluids: 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 sys ...