11 12 Cylinder head with cylinder head cover
WARNING: This page is about a different car, the 2016 BMW Z4, 2015 BMW Z4, and 2014 BMW Z4. However, it is still accessible from the selected car via links, so may be relevant.
TIGHTENING TORQUE SPECIFICATIONS - CYLINDER HEAD WITH CYLINDER HEAD COVER
| Type | Thread | Tightening specifications | Dimension | |
|---|---|---|---|---|
| 1AZ Cylinder head bolt | N54/N54T | M11 x 135 | Replace screws. | |
| Jointing torque | 30 Nm | |||
| 1. Angle of rotation | 90 ° | |||
| 2. Angle of rotation | 90 ° | |||
| 3. Angle of rotation | 45 ° | |||
| 2AZ Cylinder head bolt | N54/N54T | M9 x 95 M9 x 125 | Replace screws. | |
| Jointing torque | 30 Nm | |||
| 1. Angle of rotation | 90 ° | |||
| 2. Angle of rotation | omitted | |||
| 3. Angle of rotation | 45 ° | |||
| 3AZ Cylinder head bolt | N54/N54T | M9 x 30 M9 x 70 | 22 Nm | |
| 4AZ Cylinder head cover to cylinder head. | N54/N54T | M6 | 8.5 Nm | |
| 5AZ Metal holder to cylinder head. | N54/N54T | M6 x 16 | 8 Nm | |
| 6AZ Lifting eye to cylinder head. | N54/N54T | M8 x 20 | 19 Nm | |
| 7AZ Ignition coil cover to cylinder head cover. | N54/N54T | M6 x 20 | 4 Nm | |
| 8AZ Hexagon screw (2 x) Metal bracket for ignition coil cover to cylinder head cover. | N54/N54T | M6 x 12 | 4 Nm |