11 11 Engine block
WARNING: This page is about a different car, the 2010 BMW M3, 2009 BMW M3, and 2008 BMW M3. However, it is still accessible from the selected car via links, so may be relevant.
ENGINE BLOCK-TIGHTENING TORQUE SPECIFICATIONS
| Type | Thread | Tightening specification | Measure | ||
|---|---|---|---|---|---|
| 1AZ | New main bearing bolts (steel bolts 10.9) | S65 | M11x115 | Threads cleaned and oiled
IMPORTANT:
Observe tightening specification
.
|
|
| 1. Jointing torque | 30 Nm | ||||
| 2. Angle of rotation | 130 ° | ||||
| 3. Release all main bearing bolts. | |||||
| 4. Jointing torque | 30 Nm | ||||
| 5. Angle of rotation | 130 ° | ||||
| 6. Release all main bearing bolts. | |||||
| 7. Jointing torque | 30 Nm | ||||
| 8. Angle of rotation | 130 ° | ||||
| 1AZ | Old main bearing bolts (steel bolts 10.9) | S65 | M11x115 | Threads cleaned and oiled
IMPORTANT:
Observe tightening specification
.
|
|
| 1. Jointing torque | 30 Nm | ||||
| 2. Angle of rotation | 130 ° | ||||
| 2AZ | Fitting bolts (steel bolts 12.9) | S65 | M9x97 | Threads cleaned and oiled
IMPORTANT:
Observe tightening specification
.
|
|
| Jointing torque | 8 Nm | ||||
| Torque angle | 130 ° | ||||
| 3AZ | Main bearing bolts (steel bolts 10.9) | S65 | M8x65 | Threads cleaned and oiled | |
| Jointing torque | 5 Nm | ||||
| Torque angle | 90 ° | ||||
| 4AZ | Main bearing bolts (steel bolts 10.9) | S65 | M8x40 | Threads cleaned and oiled | |
| Jointing torque | 5 Nm | ||||
| Torque angle | 60 ° | ||||
| 5AZ | Main bearing bolts (steel bolts 10.9) | S65 | M6x30 | Threads cleaned and oiled | |
| Jointing torque | 15 Nm | ||||
| 6AZ | Screw plug to crankcase, front | S65 | M22x1.5 | Replace seal | 30 Nm |
| 7AZ | Screw plug to crankcase, main oil gallery | S65 | M16x1.5 | Replace seal | 30 Nm |
| 8AZ | Coolant drain plug to crankcase | S65 | M14x1.5 | Replace seal | 25 Nm |
| 9AZ | Screw plug to crankcase, front | S65 | M14x1.5 | Replace seal | 20 Nm |