The oil circuit is probably one of the least-understood systems in a car. We explain how it works, and why the oil light on your dashboard might be turning on and off at mysterious times.

This episode covers routine service on the BMW E39 M5, including a full oil change and the replacement of the oil level ...

The Quality-Level-Temperature-Sensor (QLT-Sensor) provides the dielectric number, level and temperature of fluids used in passenger car engines e.g. engine oils. The dielectric number can be used to ...

In his write-up, [Mike] started by listing all the different sensors he had considered to measure the oil level and finally opted for an ultrasonic sensor.

This paper provides a brief background discussion of the oil degradation process, followed by a description of the sensor operational principles and the correlation of the sensor output with physical ...