11 37 Variable valve gear
WARNING: This page does not describe the selected car, but rather 33 other vehicles, including the 2018 BMW M6, 2018 BMW 650i xDrive, 2018 BMW 650i, 2018 BMW 640i xDrive, and 2018 BMW 640i. However, it is still accessible from the selected car via links, so may be relevant.
TIGHTENING TORQUE SPECIFICATION - VARIABLE VALVE GEAR
| Type | Thread | Tightening specifications | Dimension | ||
|---|---|---|---|---|---|
| 1AZ | Bearing seat to cylinder head. | S63T 0 | M6x75 M6x67 |
10 Nm | |
| 2AZ | Slide block to cylinder head. | S63T 0 | M6x25 | 10 Nm | |
| 3AZ | Torsion spring (throttle return spring) to cylinder head. | S63T 0 | M6x20 | 8 Nm | |
| 4AZ | Electrical servomotor to cylinder head. | S63T 0 | M6x16 | 8 Nm | |