11 14 Case Covers
WARNING: This page is about a different car, the 2003 BMW Z8, 2002 BMW Z8, 2001 BMW Z8, and 2000 BMW Z8. However, it is still accessible from the selected car via links, so may be relevant.
TIGHTENING TORQUE SPECIFICATIONS (CASE COVER)
| Type | Thread | Tightening specification | Measure | |
|---|---|---|---|---|
| 1AZ Timing case and timing case cover top and bottom | All | M6 | 10 Nm | |
| All | M7 | 15 Nm | ||
| All | M8 | 22 Nm | ||
| All | M10 | 47 Nm | ||
| 2AZ End cover, front/rear, to engine block | All | M6 | 10 Nm | |
| All | M8 | 22 Nm | ||
| 3AZ Bearing pin to timing case cover | M51 / M41 / M47 | M42 x 1.5 | 65 Nm | |
| 4AZ Screw plug or connection piece to timing case cover Screw plug to timing case cover | M51 / M41 / M47 | M20 x 1.5 | 30 Nm | |
| Screw plug to timing case cover | M57 / M47TU / M57TU | M30 x 1 | 70 Nm | |
| Screw plug to timing case cover | M57 / M47TU | M40 x 1.5 | 30 Nm | |
| 5AZ End cover, top/rear (water jacket), to engine block | N73 | M6 | 10 Nm | |
| 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° | |||
| 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 | M18 x 1.5 | 40 Nm | ||
| N62 / N73 | M18 x 1.5 | Insert screw with Loctite | 25 Nm | |
| N40 / N42 / N45 / N46 | M16 x 1.5 | 36 Nm | ||
| Main oil gallery, rear (seal plugs with control valve) | M62 / S62 | M18 x 1 | 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 | M8 x 1 | 5 Nm | |
| Oil spray nozzle to engine block (banjo bolt) | all others | M8 x 1 | 12 Nm | |
| 8AZ Pressure holding valve to crankcase (1bar) | S54 / B32 | 20 Nm |