31 10 Front Axle Suspension
FRONT AXLE SUSPENSION TIGHTENING TORQUES
| - | Type | Thread | Tightening specification | Measure |
|---|---|---|---|---|
| 1AZ Front axle carrier to engine carrier | E30, E31, E32, E34 | M10 8.8 | Replace screws (E30 AWD insert with Loctite) |
42 Nm |
| - | E30, E31, E32, E34 | M10 9.8 | Replace screws | 47 Nm |
| - | E36 | M12 12.9 | Replace screws | 105 Nm |
| - | E36, E46 | M12 10.9 | Replace screws | 110 Nm |
| - | E38, E39 | M12 8.8 | Replace screws | 77 Nm |
| - | E52 | M12 front 10.9 middle 8.8 rear 8.8 | Replace screws | 75 Nm |
| - | E53, E60 / REAR END, E61 / REAR END, E63, E64, E65, E66, E67, E85, E86 | M12 10.9 | Observe repair instruction. | 100 Nm |
| - | E60 / Four Wheel Drive, E61 / Four Wheel Drive | M12 10.9 | Observe repair instruction. Replace screws |
- |
| - | - | - | Jointing torque | 100 Nm |
| - | - | - | Torque angle | 90° |
| 2AZ Front end of front axle carrier to body | E34 / Four Wheel Drive | M10 8.8 | - | 47 Nm |
| - | E83 | M12 10.9 | - | 113 Nm |
| 3AZ Front axle subframe rear / middle to body | E34 / Four Wheel Drive | (collar screw) | - | 59 Nm |
| - | E83 | M10 10.9 | - | 50 Nm |
| - | E83 | M12 10.9 | - | 100 Nm |
| 4AZ Front axle carrier with reinforcement to engine carrier | E31 | - | - | 47 Nm |
| 5AZ Cruciform reinforcement to door sill | E31 | - | - | 42 Nm |
| 6AZ Reinforcement to bracket Bracket to body | E31 | - | - | 42 Nm |
| 7AZ Reinforcement (sleeve) to body | E31 | - | - | 127 Nm |
| 8AZ Front end reinforcement on front axle carrier/engine carrier | E46 | - | Replace screws; first tighten down rear screws | - |
| - | - | - | Jointing torque | 59 Nm |
| - | - | - | Torque angle | 90+30° |
| 9AZ Reinforcement plate to front axle support/engine carrier | E53 | - | Replace screws & nuts | - |
| - | - | - | Jointing torque | 56 Nm |
| - | - | - | Torque angle | 90° |
| - | E60 / REAR END, E61 / REAR END, E63, E64, E65, E66, E67 | - | Replace screws & insertion nuts | 56 Nm |
| - | - | - | Jointing torque | 56 Nm |
| - | - | - | Torque angle | 90° |
| - | E60 / Four Wheel Drive, E61 / Four Wheel Drive | - | Replace screws | - |
| - | - | - | Jointing torque | 56 Nm |
| - | - | - | Torque angle | 90° |
| - | E83 | M10 | Replace screws | 74 Nm |
| 10AZ Adapter to body | E46 / Four Wheel Drive | - | Replace screws | 59 Nm |
| 11AZ Front axle support to adapter | E46 / Four Wheel Drive | - | Replace screws | 110 Nm |
| 12AZ Heat shield to front axle carrier | E60, E61, E63, E64 | - | - | 8 Nm |
| 13AZ Mounting bracket to front axle carrier / engine carrier | E60 / Four Wheel Drive, E61 / Four Wheel Drive | M8 x 26 | - | 19 Nm |