13 53 Fuel Injector Nozzles and Lines
WARNING: This page is about a different car, the 2011 BMW X6 and 2010 BMW X6. However, it is still accessible from the selected car via links, so may be relevant.
TIGHTENING TORQUE SPECIFICATIONS - FUEL INJECTOR NOZZLES AND LINES
| Type | Thread | Tightening specifications | Dimension | |
|---|---|---|---|---|
| 1AZ Rail, high-pressure side, to cylinder head | N63 / N63 Hybrid / S63 | M7 | 14 Nm | |
| 2AZ High pressure lines to rail and injection system | N63 / N63 Hybrid / S63 | M12 | Initial torque | 10 Nm |
| Final torque (Retorque twice) | 23 Nm | |||
| 3AZ High pressure line to rail and high pressure pump | N63 / N63 Hybrid / S63 | M14 | Initial torque | 10 Nm |
| Final torque (Retorque twice) | 30 Nm | |||
| 4AZ Feed line to high pressure pump | N63 / N63 Hybrid / S63 | M14 | Initial torque | 10 Nm |
| Final torque (Retorque twice) | 30 Nm | |||
| 5AZ Holding-down element to cylinder head for injection nozzles | N63 / N63 Hybrid / S63 | M7 | 14 Nm | |
| 6AZ Lug to fuel low-pressure sensor | N63 / N63 Hybrid / S63 | M6 | 10 Nm | |
| 7AZ Retaining clips to holder | N63 / N63 Hybrid / S63 | M6 | 10 Nm | |
| 8AZ High-pressure sensor to rail, high-pressure side | N63 / N63 Hybrid / S63 | 30 Nm | ||
| 9AZ Low-pressure fuel sensor to feed line | N63 / N63 Hybrid / S63 | 20 Nm | ||
| 10AZ Special tool 13 0 300 to cylinder head cover | N63 / N63 Hybrid / S63 | 10 Nm |