12 31 Alternator with Drive and Mounting Parts
WARNING: This page is about a different car, the 2002 BMW Z3 and 2001 BMW Z3. However, it is still accessible from the selected car via links, so may be relevant.
ALTERNATOR WITH DRIVE AND MOUNTING PARTS - TIGHTENING TORQUE SPECIFICATIONS
| Tightening Torques | 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 | |
| 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 |