13 53 Injector Nozzles And Lines (X5 M)
13 53 FUEL INJECTOR NOZZLES AND LINES - TIGHTENING TORQUE SPECIFICATIONS
| Type | Thread | Tightening specifications | Dimension | |
|---|---|---|---|---|
| 1AZ High-pressure rail to cylinder head | N63 B40 O 1/N63 B44 O 1/S63 B44 T 2 | M6 | 10 Nm | |
| 2AZ High pressure rail to injector | N63 B40 O 1/N63 B44 O 1/S63 B44 T 2 | M12 | Initial torque | 10 Nm |
| Final torque (Retorque twice) | 23 Nm | |||
| 3AZ High pressure rail to high pressure pump | N63 B40 O 1/N63 B44 O 1/S63 B44 T 2 | M14 | Initial torque | 10 Nm |
| Final torque (Retorque twice) |
30 Nm | |||
| 4AZ Feed line to high pressure pump | N63 B40 O 1/N63 B44 O 1/S63 B44 T 2 | M14 | Initial torque | 10 Nm |
| Final torque (Retorque twice) |
30 Nm | |||
| 5AZ Holding-down element to cylinder head for injection nozzles | N63 B40 O 1/N63 B44 O 1/S63 B44 T 2 | M7 | 13 ± 2 Nm | |
| 6AZ Feed line to cylinder head cover and cylinder head | N63 B40 O 1/N63 B44 O 1/S63 B44 T 2 | M6 | 10 Nm | |
| 7AZ Retaining clips to holder | N63 B40 O 1/N63 B44 O 1/S63 B44 T 2 | M5 | 6 Nm | |
| 8AZ High-pressure sensor to rail, high-pressure side | N63 B40 O 1/N63 B44 O 1/S63 B44 T 2 | 30 Nm | ||
| 9AZ Special tool 2 249 115 to cylinder head cover | N63 B40 O 1/N63 B44 O 1/S63 B44 T 2 | M7 | 13 Nm | |
| M6 | 10 Nm |