12 31 Alternator with Drive and Mounting Parts
WARNING: This page does not describe the selected car, but rather 14 other vehicles, including the 2010 BMW 528xi, 2010 BMW 528i, 2009 BMW 528xi, 2009 BMW 528i, and 2008 BMW 528xi. However, it is still accessible from the selected car via links, so may be relevant.
TIGHTENING TORQUE SPECIFICATIONS - ALTERNATOR WITH DRIVE AND MOUNTING PARTS
| Type | Thread | Measure | |
|---|---|---|---|
| 1AZ Wires to alternator | |||
| Terminal D+ | M10/M20 | 5 Nm | |
| All / others | M6 | 7 Nm | |
| Terminal B+ | S38 / B38 | 8 Nm | |
| All / others | M8 | 13 Nm | |
| 2AZ Pulley | All | 45 Nm | |
| 3AZ Pulley (ribbed drive belt) | Alternator with cooling jacket | 80 Nm | |
| all others | 70 Nm | ||
| N42, N46 Valeo | 75 Nm | ||
| N42, N46 Bosch | 65 Nm | ||
| 4AZ Rear holder | All | 3.5 Nm | |
| 5AZ Fillister head screw for wire holder | All | 3.5 Nm | |
| 6AZ Alternator on bearing block | M40/M42 / M43 / M44 | 43 Nm | |
| 7 AZ Alternator to crankcase | N42, N46, N62 | M8 | 21 Nm |
| 8AZ Belt pulley (ribbed V-belt) with freewheel (Ina) fitted to Bosch and Valeo alternators | N42, N43 | 80 Nm |
TIGHTENING TORQUE SPECIFICATIONS - ALTERNATOR WITH DRIVE AND MOUNTING PARTS
| Type | Thread | Tightening specification | Measure | |
|---|---|---|---|---|
| 1AZ Wires to alternator | N52, N52K, N51, N53 | M8 | 19 Nm | |
| 2AZ Alternator to crankcase | N52, N52K, N51, N53 | M8x82 | Replace screws | |
| Jointing torque | 10 Nm | |||
| Torque angle | 180° | |||
| 3AZ Belt pulley (ribbed V-belt) with freewheel (Ina) fitted to Bosch and Valeo alternators | N52 | 80 Nm |