11 12 Cylinder Head with Cover
WARNING: This page is about a different car, the 2003 BMW 530i, 2002 BMW 530i, and 2001 BMW 530i. However, it is still accessible from the selected car via links, so may be relevant.
CYLINDER HEAD AND CYLINDER HEAD COVER - TIGHTENING TORQUE SPECIFICATIONS - 5AZ TO 6AZ
| Type | Thread | Tightening Specification | Measure | |
|---|---|---|---|---|
| 5AZ Cylinder head bolts | M51/M41 | M11 | Replace, wash and oil screws | |
| Jointing torque | 80 Nm | |||
| Loosen all bolts 1/2 turn | ||||
| Jointing torque | 50 Nm | |||
| Torque angle | 90° | |||
| Torque angle | 90° | |||
| Warm-running time | 25 min | |||
| Torque angle | 90° | |||
| 6AZ Cylinder head bolts | M40/M42/M43/M43TU/M44/M50/S50 US/S52/M52/with cast iron engine block | M10 | Replace, wash and oil screws | |
| Jointing torque | 30 Nm | |||
| Torque angle | 90° | |||
| Torque angle | 90° | |||
| Cylinder head bolts | M54/M56/M52TU/M52/with aluminum engine block | M10 | Replace, wash and oil screws | |
| Jointing torque | 40 Nm | |||
| Torque angle | 90° | |||
| Torque angle | 90° | |||
| Cylinder head bolts | N40/N42/N45/N46 |
M8 /M10 | Tightening Specifications for M8 and M10 screws are identical: Replace, wash and oil screws | |
| Jointing torque | 30 Nm | |||
| Torque angle | 90° | |||
| Torque angle | 90° | |||
CYLINDER HEAD AND CYLINDER HEAD COVER - TIGHTENING TORQUE SPECIFICATIONS - 11AZ TO 15AZ
| Type | thread | Measure | |
|---|---|---|---|
| 11AZ Cylinder head cover | All | M6 | 10 Nm |
| All | M7 | 15 Nm | |
| M21 | M8 | 15 Nm | |
| 12AZ Oil trap to cylinder head cover | M21 | M8 | 17 Nm |
| 13AZ Timing case to cylinder head | All | M7 | 15 Nm |
| All | M8 | 20 Nm | |
| 14AZ Plug for oil channel (micro-encapsulated) | M47/M57 | M12 x 1.5 | 20 Nm |
| 15AZ Vent plugs to cylinder head (coolant) | M67 | 2 Nm |