BMW E60 oil level sensor fault
How can you tell the BMW E60's oil level sensor is faulty?
The sensor does not monitor the oil level continuously, so compare the dipstick and sensor readings over a longer period. Only a clear and repeated difference points to a sensor fault. In that case replacement should be considered.
What else can cause an oil level fault message?
In winter, short trips leave condensation water in the oil, which can cause a fault message. An oil change fixes it, and longer drives help the water to evaporate. Resetting the service indicator after an oil change can also fix a wrong display.
Does replacing the sensor help and which sensor fits?
Replacement has cleared the warning lights and the fault code for many, but for some the fault has returned. The BMW part numbers are 12617607910 and 12617508003. A cheaper sensor may not fit, so check the fit for your car.
What do the yellow and red oil lights mean?
The yellow light usually indicates the oil quantity and the red usually the oil pressure. The oil pressure sensor is at the base of the oil filter housing and the oil level sensor is in the oil pan, so they are different parts.