October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.
System overview
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 |