BMW X5: Automatic Transmission

 Compression Testing

In order for an engine to run smoothly and efficiently, the combustion chamber must be free of leakage. An engine with low compression in one or more cylinders is inefficient and will run rough or lack in performance. Low compression may or may not cause the MIL to illuminate. Low compression ca

 Indicator/warning lights, Red lights

Principle Indicator/warning lights in the instrument cluster display the status of some functions in the vehicle and indicate when a fault is present in the monitored systems. General information The indicator/warning lights can light up in a variety of combinations and colors. Several of the light