| Air pump f vacuum control | 13 | | Self-locking hex nut | 11 72 1 742 644 |
| Air pump f vacuum control | 13 | '97, September — '98, September | Self-locking hex nut | 11 72 1 742 644 |
| Air pump f vacuum control | 13 | '99, January — ... | Self-locking hex nut | 11 72 1 742 644 |
| Air pump f vacuum control | 06 | ... — '97, September | Self-locking hex nut | 11 72 1 742 644 |
| Air pump f vacuum control | 08 | | Self-locking hex nut | 11 72 1 742 644 |
| Air pump f vacuum control | 08 | ... — '03, March | Self-locking hex nut | 11 72 1 742 644 |
| Air pump f vacuum control | 08 | '98, September — ... | Self-locking hex nut | 11 72 1 742 644 |
| Air pump f vacuum control | 08 | '99, March — ... | Self-locking hex nut | 11 72 1 742 644 |
| Air pump f vacuum control | 08 | '01, September — ... | Self-locking hex nut | 11 72 1 742 644 |
| Cylinder head | -- | | Self-locking hex nut | 11 72 1 742 644 |
| Cylinder head | -- | ... — '01, September | Self-locking hex nut | 11 72 1 742 644 |
| Cylinder head | -- | ... — '01, October | Self-locking hex nut | 11 72 1 742 644 |
| Cylinder head | -- | '98, September — ... | Self-locking hex nut | 11 72 1 742 644 |
| Cylinder head | -- | '98, September — '01, October | Self-locking hex nut | 11 72 1 742 644 |
| Cylinder head | -- | '99, March — ... | Self-locking hex nut | 11 72 1 742 644 |