System overview
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 following illustration shows the system overview without the model-specific exhaust flap.
Courtesy of BMW OF NORTH AMERICA, INC.
| Item |
Explanation |
| 1 |
Vacuum reservoir |
| 2 |
Pressure converter |
| 3 |
Vacuum unit, wastegate valve |
| 4 |
Brake servo |
| 5 |
Non-return valve |
| 6 |
Non-return valve |
| 7 |
Vacuum pump |
| 8 |
Non-return valve |