11 12 Cylinder Head with Cover
WARNING: This page is about a different car, the 2002 BMW Z3 and 2001 BMW Z3. However, it is still accessible from the selected car via links, so may be relevant.
CYLINDER HEAD WITH COVER - TIGHTENING TORQUE SPECIFICATIONS
| Application | 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 WITH COVER - TIGHTENING TORQUE SPECIFICATIONS
| Application | Type | Thread | Tightening Specification | 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 (microencapsulated) | M47 / M57 | M12 x 1.5 | 20 Nm | |
| 15AZ Vent plugs to cylinder head (coolant) | M67 | 2 Nm |