Exhaust backpressure sensor before exhaust turbocharger: Notes
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 exhaust backpressure sensor is secured by a holder on the engine (to protect it from high temperatures). The exhaust backpressure sensor is connected to the exhaust manifold via a hose and a pipe.