12 31 Alternator with Drive and Mounting Parts
WARNING: This page does not describe the selected car, but rather 38 other vehicles, including the 2006 BMW M3, 2006 BMW 330Ci, 2006 BMW 325Ci, 2005 BMW M3, and 2005 BMW 330xi. However, it is still accessible from the selected car via links, so may be relevant.
ALTERNATOR WITH DRIVE & MOUNTING PARTS TORQUE SPECIFICATIONS
| 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 | 80 Nm |