Charging pressure sensor
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2017 BMW X3, 2016 BMW X3, 2015 BMW X3, 2014 BMW X3, and 2013 BMW X3. However, it is still accessible from the selected car via links, so may be relevant.
The charge-air pressure sensor registers the absolute pressure (total of charge-air pressure and ambient pressure) in the exhaust system and serves as a sensor for the charge-air-pressure control.
The charge-air pressure sensor is mounted directly on the air collector for intake air. The DDE control unit provides the charging pressure sensor with ground and a supply voltage of 5 V.
The pressure is picked up via a bore hole in the sensor and a corresponding measured voltage is sent to the DDE control unit.