11 31 Camshaft
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2013 BMW 128i, 2012 BMW 128i, 2011 BMW 128i, 2010 BMW 128i, and 2009 BMW 128i. However, it is still accessible from the selected car via links, so may be relevant.
CAMSHAFT - TIGHTENING TORQUE
| Type | Thread | Description | Tightening Specification | |
|---|---|---|---|---|
| 1AZ ASA screws (15 x) Upper and lower bearing banks of exhaust camshaft to cylinder head. |
N52K | M7 x 70 | Insert screws dry. Tighten screws from inside outwards. Jointing torque and angle of rotation must be observed without fail. |
|
| Jointing torque | 8 Nm | |||
| Torque angle | 60 ° | |||
| 2AZ ISA screws (14 x) Bearing cap of inlet camshaft to cylinder head. |
N52K | M6 x 30.5 | 9 Nm | |
| 3AZ ASA screws (2 x) Timing chain module to cylinder head. |
N52K | M6 x 35 | 9 Nm | |
| 4AZ Bearing pin (1 x) Timing chain module to crankcase. |
N52K | M8 | 20 Nm | |
| 5AZ Bearing pin (1 x) Timing chain module to cylinder head. |
N52K | M7 | 14 Nm | |
| 6AZ Chain tensioner (1 x) Chain tensioner to cylinder head. |
N52K | M22 x 1.5 | Replace sealing ring. | 55 Nm |
| 7AZ Plug (1 x) Assembly opening to cylinder head. |
N52K | M18 x 1.5 | 25 Nm |