The BMW maintenance system SIA IV (service interval indicator) is used on X3 models (E83). The service interval indicator is a system subject to constant development which in its development stages has been integrated in various model series such as E85 (Z4) and E46 (3 and M3-Series).
The service indicator appears in the LC display in the instrument cluster's speedometer. The indicator is shown for 5 seconds in the LC display after terminal R is "ON".
Resetting Service Interval Indicator
Resetting the service interval indicator for the oil service and inspection procedures can only be done by pressing the left button (1) in the instrument cluster.
BMW X3 Owners Manual > Driving stability control systems: Antilock Brake System ABS
ABS prevents locking of the wheels during
braking.
The vehicle contains its steering power even
during full brake applications, thus increasing
active safety.
ABS is operational every time you start the engine.
Brake assistant
When you apply the brakes rapidly, this system
automatically ...