11 12 Cylinder Head And Cylinder Head Cover (SCR)
WARNING: This page is about a different car, the 2013 BMW X5, 2012 BMW X5, and 2011 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.
TIGHTENING TORQUE SPECIFICATIONS - CYLINDER HEAD AND CYLINDER HEAD COVER (SCR)
| Type | Thread | Tightening specifications | Dimension | ||
|---|---|---|---|---|---|
| 1AZ | Cylinder head to engine block | M57T2/TOP | M12x1.5 (L=217) | Replace screws Tighten bolts from middle in diagonal sequence in outward direction. |
|
| 1. Jointing torque (only with new components) | 80 Nm | ||||
| 2. Release all bolts min. 180° from outside inwards | |||||
| 3. Jointing torque | 50 Nm | ||||
| 4. Angle of rotation | 120 ° | ||||
| 5. Angle of rotation | 120 ° | ||||
| 2AZ | Screw plug (on intake side), hydraulic valve clearance compensation | M57T2/TOP | M14x1.5 | Threads with light coating of oil | 30 Nm |
| 3AZ | Hot-film mass airflow sensor housing to cylinder head cover | M57T2/TOP | Bolt Delta PT 50x22 | 2.8 Nm | |
| 4AZ | Coolant connection fitting on cylinder head | M57T2/TOP | M6x25 | 10 Nm | |