11 11 Engine block
WARNING: This page is about a different car, the 2005 BMW 645Ci and 2004 BMW 645Ci. However, it is still accessible from the selected car via links, so may be relevant.
11 11 ENGINE BLOCK TIGHTENING SPECIFICATION
| Application | Type | Thread | Tightening Specification | Measure |
|---|---|---|---|---|
| 2AZ Main bearing screws | S62 / N62 / N73 | M11 | Replace screws. Do not wash off screw coating | |
| Jointing torque | 20 Nm | |||
| Torque angle | 100 ° | |||
| Main bearing screws Engine block lower section to upper section | N40 / N42 /N45 / N46 | M10 | Replace screws | |
| Jointing torque | 20 Nm | |||
| Torque angle | 70 ° |
11 11 ENGINE BLOCK TIGHTENING SPECIFICATION
| Application | Type | Thread | Tightening Specification | Measure |
|---|---|---|---|---|
| 3AZ Taper screw mount on main bearing | ||||
| Screws and spacer bolts | M60 / M62 / M70 / S70 / M73 / S62 | M8 | Replace screws | |
| Jointing torque | 20 Nm | |||
| Torque angle | 45 ° | |||
| N62 / N73 | M8 | 34 Nm | ||
| Threaded support sleeves | M70 / M60 / M62 / S70 / M73 / S62 | 10 Nm | ||
| N62 / N73 | 6 Nm | |||
| 4AZ Struts/bracing shell | M67 M10.9 | 66 Nm | ||
| all others | M10 | 43 Nm | ||
| All | M8 | 22 Nm | ||
| 5AZ Drain plug for coolant in engine block | All | M14 x 1.5 | 25 Nm | |
| 6AZ Main oil gallery seal plugs | All | M16 x 1.5 | 34 Nm | |
| All | M18x1.5 | 40 Nm | ||
| N62 / N73 | M18x1.5 | Insert screw with Loctite | 25 Nm | |
| N40 / N42 / N45 / N46 | M16x1.5 | 36 Nm | ||
| Main oil gallery, rear (seal plugs with control valve) | M62 / S62 | M18x1 | 10 Nm | |
| 7AZ Oil spray nozzle on engine block | All | M6 | 10 Nm | |
| Oil spray nozzle screwed into bearing seat (coat thread with Loctite 243) | M73 | M8x1 | 5 Nm | |
| Oil spray nozzle to engine block (banjo bolt) | all others | M8x1 | 12 Nm | |
| 8AZ Pressure holding valve to crankcase (1bar) | S54 / B32 | 20 Nm |