12 31 Alternator with Drive and Mounting Parts
WARNING: This page is about a different car, the 2002 BMW M Roadster, 2002 BMW M Coupe, 2001 BMW M Roadster, and 2001 BMW M Coupe. However, it is still accessible from the selected car via links, so may be relevant.
ALTERNATOR WITH DRIVE AND MOUNTING SPECIFICATION
| Type | Thread | Tightening Specification | Measure | |
|---|---|---|---|---|
| 1AZ Wires to alternator | ||||
| Terminal D+ | M10 / M20 | 5 N.m | ||
| All / others | M6 | 7 N.m | ||
| Terminal B+ | S38 / B38 | 8 N.m | ||
| All / others | M8 | 13 N.m | ||
| 2AZ Pulley | All | 45 N.m | ||
| 3AZ Pulley (ribbed drive belt) | Alternator with cooling jacket | 80 N.m | ||
| all others | 70 N.m | |||
| N42, N46 Valeo | 75 N.m | |||
| N42, N46 Bosch | 65 N.m | |||
| 4AZ Rear holder | All | 3.5 N.m | ||
| 5AZ Fillister head screw for wire holder | All | 3.5 N.m | ||
| 6AZ Alternator on bearing block | M40/M42 / M43 / M44 | 43 N.m | ||
| 7AZ Alternator to crankcase | N42, N46, N62 | M8 | 21 N.m | |
| 8AZ Belt pulley (ribbed V-belt) with freewheel (Ina) fitted to Bosch and Valeo alternators | N42 | 80 N.m |