12 31 Alternator with Drive and Mounting Parts
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2003 BMW 540i, 2002 BMW 540i, 2001 BMW 540i, 2000 BMW 540i, and 1999 BMW 540i. However, it is still accessible from the selected car via links, so may be relevant.
ALTERNATOR WITH DRIVE SPECIFICATION
| Application | 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 |