12 31 Alternator with Drive and Mounting Parts
WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2010 BMW M6, 2010 BMW M5, 2009 BMW M6, 2009 BMW M5, and 2008 BMW M6. However, it is still accessible from the selected car via links, so may be relevant.
TIGHTENING TORQUE SPECIFICATION - ALTERNATOR WITH DRIVE AND MOUNTING PARTS
| - | Type | Thread | Tightening specification | 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 |
| 7AZ 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 SPECIFICATION - ALTERNATOR WITH DRIVE AND MOUNTING PARTS
| - | Type | Thread | Tightening specification | Measure |
|---|---|---|---|---|
| 1AZ Alternator lead to alternator terminal B+ | S85 | M8 | - | 13 Nm |
| 2AZ Alternator lead to alternator terminal B+ | S54 | M8 | - | 13 Nm |
| 3AZ Alternator to assembly carrier | S54 | M10 | - | 42 ± 6 Nm |