11 11 Engine block
WARNING: This page is about a different car, the 2006 BMW X5, 2005 BMW X5, and 2004 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.
ENGINE BLOCK TIGHTENING TORQUE SPECIFICATIONS (2AZ - 8AZ)
| Type | Thread | Tightening specification | Measure | |
|---|---|---|---|---|
| 2AZ Main bearing screws | S62 / N62 / N73 | M11 | Replace screws Do not wash off screw coating |
|
| Jointing torque | 20 N.m. | |||
| Torque angle | 100° | |||
| Main bearing screws Engine block lower section to upper section |
N40 / N42 / N45 / N46 | M10 | Replace screws | |
| Jointing torque | 20 N.m. | |||
| Torque angle | 70° | |||
| 3AZ Taper screw mount on main bearing | ||||
| Screws and spacer bolts` | M60 / M62 / M70 / S70 / M73 / S62 | M8 | Replace screws | |
| Jointing torque | 20 N.m. | |||
| Torque angle | 45° | |||
| N62 / N73 | M8 | 34 N.m. | ||
| Threaded support sleeves | M70 / M60 / M62 / S70 /M73 / S62 | 10 N.m. | ||
| N62 / N73 | 6 N.m. | |||
| 4AZ Struts/bracing shell | M67 | M10.9 | 66 N.m. | |
| all others | M10 | 43 N.m. | ||
| All | M8 | 22 N.m. | ||
| 5AZ Drain plug for coolant in engine block | All | M14 x 1.5 | 25 N.m. | |
| 6AZ Main oil gallery seal plugs | All | M16 x 1.5 | 34 N.m. | |
| All | M18x1.5 | 40 N.m. | ||
| N62 / N73 | M18x1.5 | Insert screw with Loctite | 25 N.m. | |
| N40 / N42 /N45 / N46 | M16x1.5 | v | 36 N.m. | |
| Main oil gallery, rear (seal plugs with control valve) | M62 / S62 | M18x1 | 10 N.m. | |
| 7AZ Oil spray nozzle on engine block | All | M6 | 10 N.m. | |
| Oil spray nozzle screwed into bearing seat (coat thread with Loctite 243) | M73 | M8x1 | 5 N.m. | |
| Oil spray nozzle to engine block (banjo bolt) | all others | M8x1 | 12 N.m. | |
| 8AZ Pressure holding valve to crankcase (1bar) | S54 / B32 | 20 N.m. |