11 12 Cylinder Head with Cover
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2010 BMW 335xi, 2010 BMW 335i, 2009 BMW 335xi, 2009 BMW 335i, and 2008 BMW 335xi. However, it is still accessible from the selected car via links, so may be relevant.
CYLINDER HEAD TIGHTENING SPECIFICATION
| - | Type | Thread | Tightening Specification | Measure | |
|---|---|---|---|---|---|
| 11AZ | Cylinder head cover | All | M6 | - | 10 Nm |
| - | All | M7 | - | 15 Nm | |
| - | M21 | M8 | - | 15 Nm | |
| 12AZ | Oil trap to cylinder head cover | M21 | M8 | - | 17 Nm |
| 13AZ | Timing case to cylinder head | All | M7 | - | 15 Nm |
| - | All | M8 | - | 20 Nm | |
| 14AZ | Plug for oil channel (microencapsulated) | M47/M57 | M12 x 1.5 | - | 20 Nm |
| 15AZ | Vent plugs to cylinder head (coolant) | M67 | - | - | 2 Nm |
CYLINDER HEAD TIGHTENING SPECIFICATION
| - | Type | Thread | Tightening Specification | Measure | |
|---|---|---|---|---|---|
| 1AZ | Cylinder head bolts | N54 | M11 x 135 | Replace screws | - |
| - | - | - | Jointing torque | 30 Nm | |
| - | - | - | 1st angle of rotation | 90° | |
| - | - | - | 2. Angle of rotation | 90° | |
| - | - | - | 3. Angle of rotation | 45° | |
| 2AZ | Cylinder head bolts | N54 | M9 x 95 M9 x 125 | Replace screws | - |
| - | - | - | Jointing torque | 30 Nm | |
| - | - | - | 1st angle of rotation | 90° | |
| - | - | - | 2. Angle of rotation | omitted | |
| - | - | - | 3. Angle of rotation | 45° | |
| 3AZ | Cylinder head bolts | N54 | M9 x 30 M9 x 70 | - | 22 Nm |
| 4AZ | Cylinder head cover to cylinder head | N54 | M6 | - | 8.5 Nm |
| 5AZ | Metal bracket to cylinder head | N54 | M6 x 16 | - | 8 Nm |
| 6AZ | Lug to cylinder head | N54 | M8 x 20 | - | 19 Nm |
| 7AZ | Ignition coil cover to cylinder head cover | N54 | M6 x 20 | - | 4 Nm |