11 12 Cylinder Head And Cylinder Head Cover
WARNING: This page does not describe the selected car, but rather 21 other vehicles, including the 2017 BMW 550i GT xDrive, 2017 BMW 535i GT xDrive, 2017 BMW 535i GT, 2016 BMW 550i GT xDrive, and 2016 BMW 535i GT xDrive. However, it is still accessible from the selected car via links, so may be relevant.
TIGHTENING TORQUE SPECIFICATIONS - CYLINDER HEAD AND CYLINDER HEAD COVER
| Type | Thread | Tightening specification | Measure | ||
|---|---|---|---|---|---|
| 1AZ | Cylinder head bolt | N55 | M11 x 173 | Replace screws. | |
| Jointing torque | 30 Nm | ||||
| 1. Angle of rotation | 90 ° | ||||
| 2. Angle of rotation | 180 ° | ||||
| 2AZ | Cylinder head bolt | N55 | M9 x 170 | Replace screws. | |
| Jointing torque | 30 Nm | ||||
| 1. Angle of rotation | 90 ° | ||||
| 2. Angle of rotation | 180 ° | ||||
| 3AZ | Cylinder head bolt | N55 | M9 x 30 M9 x 70 |
22 Nm | |
| 4AZ | Cylinder head cover to cylinder head. | N55 | M6 | 8.5 Nm | |
| 5AZ | Towing lug to cylinder head | N55 | 30 Nm | ||
| 6AZ | Ignition coil cover to cylinder head cover. | N55 | M6 x 30 | 4 Nm | |
| 7AZ | Metal bracket for ignition coil cover to cylinder head cover. | N55 | M6 x 16 | 8 Nm | |
| 8AZ | Ignition coils and injector slot to cylinder head | N55 | M6 x 30 | 8.5 Nm | |
| 9AZ | EMC plate to ignition coils and injector slot (EMC = electromagnetic compatibility) | N55 | M6 x 20 | 8.0 Nm | |
| 10AZ | EMC plate to ignition coils and injector slot (EMC = electromagnetic compatibility) | N55 | M6 x 18.5 | Earth connection | 8.5 Nm |
| 11AZ | Screw plug in oil chamber | N55 | M16 x 1.5 | Replace screw with sealing ring | 27 Nm |