11 11 Engine Block
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.
ENGINE BLOCK TIGHTENING SPECIFICATION
| Type | Thread | Description | Tightening Specification | |
|---|---|---|---|---|
| 1AZ Main bearing bolts (steel bolts 10.9) | N51 | M10x100 | Replace screws | |
| Jointing torque | 20 Nm | |||
| Torque angle | 70 ° | |||
| 2AZ Bedplate Aluminum screws/bolts are marked with blue paint. |
N51 | M10x27 | Replace screws Thread repairs exclusively with Al Heli-coil. Jointing torque and angle of rotation must be observed without fail. |
|
| Jointing torque | 15 Nm | |||
| Torque angle | 45 ° | |||
| 3AZ Bedplate Aluminum screws/bolts are marked with blue paint. |
N51 | M8x37 | Replace screws Thread repairs exclusively with Al Heli-coil. Jointing torque and angle of rotation must be observed without fail. |
|
| Jointing torque | 8 Nm | |||
| Torque angle | 90 ° | |||
| 4AZ Bedplate Aluminum screws/bolts are marked with blue paint. |
N51 | M10x41 | Replace screws Thread repairs exclusively with Al Heli-coil. Jointing torque and angle of rotation must be observed without fail. |
|
| Jointing torque | 15 Nm | |||
| Torque angle | 90 ° | |||
| 5AZ Oil spray nozzles to engine block | N51 | Hollow bolt | 12 Nm | |
| 6AZ Screw plug, water drain | N51 | M14x1.5 | Replace seal | 50 Nm |
| 7AZ Screw plug, timing case upper section | N51 | M22x1.5 | Replace seal | 50 Nm |
| 8AZ Screw plug, timing case lower section | N51 | M16x1.5 | Replace seal | 30 Nm |