SIA IV Service Interval Indicator

SIA IV Service Interval Indicator





The BMW maintenance system SIA IV (service interval indicator) is used in the (E83) X3 SAV. 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 the (E85) Z4 and E46 (3 series).
The service interval indicator appears in the LO display in the instrument clusters speedometer. The indicator is shown for five seconds in the LO display after terminal R "ON".