Press button; the LED above the
button
lights up.
Deactivating HDC
Press button again and the LED
goes
out. HDC is automatically deactivated
above approx. 37 mph/60 km/h.
Display in the instrument cluster
The selected speed is displayed
in the speedometer.
Malfunction
A message is displayed in the instrument cluster.
HDC is not available, e.g., due to elevated brake temperatures.
BMW X3 Service & Repair Manual > Transfer case, general: Topping up transfer box oil (atc 45l)
IMPORTANT:
Use only the approved TRANSMISSION OIL in the transfer box.
Failure to comply with this requirement will result in serious damage to the transfer box!
NOTE:
Only change oil when transfer box is at normal operating temperature.
Necessary preliminary tasks:
Remove cross m ...