Tai kad pas bmw tokie ir davikliai yra!
Tas pats tepalo lygio ir kartu kokybės sensorius.
Tai va jis matuoja rūgštingumą alyvos.

BMW E60 models utilize an oil condition sensor located in the oil pan. The oil condition sensor is responsible for supplying oil level information to the vehicle computer system. The sensor also has a pH detector in order to monitor engine oil acidity; this is communicated to the Condition-Based Service (CBS) system and displayed to the driver via instrument cluster warnings. Late BMW E60 models (starting in 2006) use this sensor instead of a dipstick to monitor oil level. On vehicles without a dipstick, you can check oil level via the driver information center. See our tech article on changing your engine oil.