Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
11 11 Engine block
2006 BMW M5SECTION 11 11 Engine block
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2010 BMW 535xi, 2010 BMW 535i, 2009 BMW 535xi, 2009 BMW 535i, and 2008 BMW 535xi. However, it is still accessible from the selected car via links, so may be relevant.
ENGINE BLOCK - TIGHTENING TORQUES SPECIFICATION
| Type | Thread | Tightening specification | Measure | |
|---|---|---|---|---|
| 1AZ Main bearing bolts (steel bolts 10.9) | N54 | M10 x 100 | Replace screws | |
| Jointing torque | 20 Nm | |||
| Torque angle | 70° | |||
| 2AZ Bedplate Aluminium screws/bolts are marked with blue paint. |
N54 | M10 x 27 | Replace screws Thread repairs exclusively with Al Helicoil. Jointing torque and angle of rotation must be observed without fail. |
|
| Jointing torque | 15 Nm | |||
| Torque angle | 90° | |||
| 3AZ Bedplate Aluminium screws/bolts are marked with blue paint. |
N54 | M8 x 37 | Replace screws Thread repairs exclusively with Al Helicoil. Jointing torque and angle of rotation must be observed without fail. |
|
| Jointing torque | 10 Nm | |||
| Torque angle | 90° | |||
| 4AZ Bedplate Aluminium screws/bolts are marked with blue paint. |
N54 | M10 x 41 | Replace screws Thread repairs exclusively with Al Helicoil. 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 | N54 | Hollow bolt | 12 Nm | |
| 6AZ Screw plug, water drain | N54 | M14 x 1.5 | Replace seal | 25 Nm |
| 7AZ Screw plug, timing case upper section | N54 | M22 x 1.5 | Replace seal | 50 Nm |
| 8AZ Screw plug, timing case lower section | N54 | M16 x 1.5 | Replace seal | 30 Nm |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.