Structure and inner electrical connection
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 connected with a 3-pin plug connection.
The sensor is supplied with 5 Volts by the engine control.
| Index | Explanation |
|---|---|
| 1 | Exhaust backpressure sensor |
PIN REFERENCE
| Pin | Explanation |
|---|---|
| SIG | Exhaust back pressure signal |
| 5 V | 5 Volts, supply voltage |
| Kl. 31E | Terminal 31, electronics earth (ground) |