11 37 Variable valve gear (N52)
WARNING: This page does not describe the selected car, but rather 20 other vehicles, including the 2008 BMW Z4, 2008 BMW 328xi, 2008 BMW 328i, 2008 BMW 323i, and 2007 BMW Z4. However, it is still accessible from the selected car via links, so may be relevant.
VARIABLE VALVE GEAR TIGHTENING SPECIFICATION
| Type | Thread | Tightening specification | Measure | |
|---|---|---|---|---|
| 1AZ Gate to cylinder head | N52 | M6x23 | 10 Nm | |
| 2AZ Return spring to cylinder head | N52 | M6x20 | 10 Nm | |
| 3AZ Electric servodrive to cylinder head | N52 | M6x16 | 9 Nm | |
| 4AZ Electric servodrive to cylinder head cover | N52 | M6x16 | 9 Nm | |
| 5AZ Oil spray nozzle to gate | N52 | M6x30 | 10 Nm | |
| 6AZ min stop of eccentric shaft to cylinder head | N52 | M6 | 10 Nm | |
| 7AZ Eccentric shaft bearing cap to cylinder head (steel screw) | N52 | M6x30.5 | Replace screws | 9 Nm |