11 12 Cylinder Head And Cylinder Head Cover
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2017 BMW X3, 2016 BMW X3, 2015 BMW X3, 2014 BMW X3, and 2013 BMW X3. However, it is still accessible from the selected car via links, so may be relevant.
TIGHTENING TORQUE SPECIFICATION - 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 |