13 53 Fuel Injection Nozzles and Pipes
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2016 BMW 760Li, 2015 BMW 760Li, 2014 BMW 760Li, 2013 BMW 760Li, and 2012 BMW 760Li. However, it is still accessible from the selected car via links, so may be relevant.
TIGHTENING TORQUE SPECIFICATIONS - FUEL INJECTION NOZZLES AND PIPES
| Type | Thread | Tightening specification | Measure | |
|---|---|---|---|---|
| 1AZ Rail, high-pressure side, to cylinder head | N74 | M7 | 13 ± 2 Nm | |
| 2AZ High-pressure lines to rail and injector | N74 | M12 | Initial tightening Final tightening (Retorque twice) |
10 Nm 23 Nm |
| 3AZ High-pressure line to rail and high-pressure pump | N74 | M14 | Initial tightening Final tightening (Retorque twice) |
10 Nm 30 Nm |
| 4AZ Feed line to high-pressure pump | N74 | M14 | Initial tightening Final tightening (Retorque twice) |
10 Nm 30 Nm |
| 5AZ Holding-down element to cylinder head for injection nozzles | N74 | M7 | 13 ± 2 Nm | |
| 6AZ Lug to fuel low-pressure sensor | N74 | M6 | 10 Nm | |
| 7AZ Retaining clips to intake plenum | N74 | M6 | 10 Nm | |
| 8AZ High-pressure sensor to rail, high-pressure side | N74 | 30 Nm | ||
| 9AZ Low-pressure fuel sensor to feed line | N74 | 20 Nm | ||