13 53 INJECTOR NOZZLES AND LINES (430i, 430i xDrive, 430i GranCoupe, 430i GranCoupe xDrive)
13 53 FUEL INJECTOR NOZZLES AND LINES - TIGHTENING TORQUE SPECIFICATION
| Type | Thread | Tightening specifications | Dimension | |
|---|---|---|---|---|
| 1AZ Fuel high-pressure sensor | B48 | 30-5 Nm | ||
| 2AZ Injector to rail | B48 | M5x30 | Replace screws and tighten in screwing sequence, refer to the applicable PROCEDURE
. 1) Final torque 2) Angle of rotation |
5 Nm 100° |
| 3AZ High-pressure rail to cylinder head | B48 | M6x70 | Replace screws and tighten in screwing sequence, refer to the applicable PROCEDURE
. 1) Final torque 2) Angle of rotation |
5 Nm 100° |
| 4AZ Feed line to high pressure pump | B48 | M14 | 26 Nm | |
| 5AZ Feed line to cylinder head cover | B48 | 7 Nm | ||
| 6AZ High pressure line between rail and high pressure pump | B48 | M14 | 33 Nm |
| Ground cable to rail | ||
| M6 | Tightening torque | 5 Nm |
| Special tool for injectors to cylinder head | ||
| Special tool | Tightening torque | 5 Nm |