11 31 Camshaft
WARNING: This page is about a different car, the 2011 BMW Z4, 2010 BMW Z4, and 2009 BMW Z4. However, it is still accessible from the selected car via links, so may be relevant.
TIGHTENING TORQUE SPECIFICATION - CAMSHAFT
| Type | Thread | Tightening specification | Measure | ||
|---|---|---|---|---|---|
| 1AZ | ASA screws Upper and lower bearing banks of exhaust camshaft to cylinder head. |
N52K | M7 x 70 | Insert bolts dry. Tighten screws from inside outwards. Jointing torque and angle of rotation must be observed without fail. Jointing torque |
20 Nm |
| Torque angle | 70 ° | ||||
| 2AZ | ISA screws Bearing cap of intake camshaft to cylinder head. |
N52K | M6 x 30.5 | 9 Nm | |
| 3AZ | ASA screws Timing chain module to cylinder head. |
N52K | M6 x 35 | 9 Nm | |
| 4AZ | Bearing pin Timing chain module to crankcase. |
N52K | M8 | 20 Nm | |
| 5AZ | Bearing pin Timing chain module to cylinder head. |
N52K | M7 | 14 Nm | |
| 6AZ | Chain tensioner Chain tensioner to cylinder head. |
N52K | M22 x 1.5 | Replace sealing ring. | 55 Nm |
| 7AZ | Plug Assembly opening to cylinder head. |
N52K | M18 x 1.5 | 25 Nm | |