31 12 Control Arms and Struts
| Type | Thread | Tightening specification | Measure | ||
|---|---|---|---|---|---|
| 1AZ | Tension strut to front axle support | E81/E82/E84/E87/E88/E90/E91/E93/E92 | M12 8.8 | Replace screw and nut TIGHTEN IN NORMAL POSITION | |
| Jointing torque | 68 Nm | ||||
| Torque angle | 90° | ||||
| E81/E82/E87/E90/E91/E92/E93 | M12 10.9 | Replace nut TIGHTEN IN NORMAL POSITION | |||
| Jointing torque | 100 Nm | ||||
| Torque angle | 90° | ||||
| 2AZ | Tension strut to swivel bearing | E81/E82/E84/E87/E88/E90/E91/E92/E93 | M14 | Replace nut | 165 Nm |
| 3AZ | Wishbone to front axle support | E81/E82/E84/E87/E88/E90/E91/E92/E93 | M12 8.8 | Replace screw and nut TIGHTEN IN NORMAL POSITION | |
| Jointing torque | 68 Nm | ||||
| Torque angle | 90° | ||||
| E81/E82/E87/E90/E91/E92/E93 | M12 10.9 | Replace nut TIGHTEN IN NORMAL POSITION | |||
| Jointing torque | 100 Nm | ||||
| Torque angle | 90° | ||||
| 4AZ | Wishbone to swivel bearing | E81/E82/E84/E87/E88/E90/E91/E92/E93 | M14 | Replace nut | 165 Nm |
| E84/4WD, E90/4WD, E91/4WD, E92/4WD | M14 | Replace nut | 80 Nm | ||
| 5AZ | Compression strut to front axle support | E84/4WD, E90/4WD, E91/4WD, E92/4WD | M12 | Replace nut TIGHTEN IN NORMAL POSITION | |
| Jointing torque | 68 Nm | ||||
| Torque angle | 90° | ||||
| 6AZ | Compression strut to guide joint | E84/4WD, E90/4WD, E91/4WD, E92/4WD | M14 | Replace nut | 80 Nm |
| 7AZ | Guide joint to swivel bearing | E84/4WD, E90/4WD, E91/4WD, E92/4WD | M10 | Recut thread Replace screws | 60 Nm |
TIGHTENING TORQUE SPECIFICATION - CONTROL ARMS AND STRUTS
31 10 Front Axle Suspension
| Type | Thread | Tightening specification | Measure | ||
|---|---|---|---|---|---|
| 1AZ | Front axle support to engine support | E81/E82/E84/E87/E88/E90/E91/E92/E93/S65 | M12 | 108 Nm | |
| E92/S65, E93/S65, E90/S65 | M10 x 33 | Jointing torque | 56 Nm | ||
| Torque angle | 90° | ||||
| 2AZ | Reinforcement strut to front axle carrier/body | E90/E91/E92/E93/Heck | M10 | Replaces screws & expansion nuts | |
| Jointing torque | 56 Nm | ||||
| Torque angle | 90° | ||||
| 3AZ | Reinforcement plate to front axle carrier | E84/Allrad, E90/Allrad, E91/Allrad, E92/Allrad, E92/S65, E93/S65, E90/S65 | M10 | Replace screws | |
| Jointing torque | 56 Nm | ||||
| Torque angle | 90° | ||||
| 4AZ | Support angle for engine mount to front axle carrier | M57T2 | M8 | 19 Nm | |
| 5AZ | Reinforcement plate for engine mount to front axle carrier | M57T2 | M8 | 19 Nm | |
| 6AZ | Heat shield to front axle carrier | E81/E82/E87/E88/E90/E91/E92/E93 | M6 | 4.5 Nm | |
| E84/Allrad, E90/Allrad, E91/Allrad, E92/Allrad | Self-tapping screw | 4 Nm | |||
| 7AZ | Lower pedestrian protection to front axle carrier | E84 | 25 Nm | ||
TIGHTENING TORQUE SPECIFICATION - FRONT AXLE SUSPENSION
31 31 Spring Struts
| Type | Thread | Tightening specification | Measure | ||
|---|---|---|---|---|---|
| 1AZ | Support bearing/adapter (for rough road package) to body/adapter | E81/E82/E84/E87/E88/E90/E91/E92/E93 | M8 | Replace nuts | 34 Nm |
| 2AZ | Spring strut shock absorber to support bearing | E81/E82/E84/E87/E88/E90/E91/E92/E93 | M12 | Replace nut | 64 Nm |
| 3AZ | Spring strut shock absorber to pivot mount | E81/E82/E84/E87/E88/E90/E91/E92/E93 | M12 | Replace nut | 81 Nm |
| E84/Allrad | M12 | Replace nut | 100 Nm | ||
| E92/E90/E93/S65 | M10 | Replace nut | 45 Nm | ||
TIGHTENING TORQUE SPECIFICATION - SPRING STRUTS
31 35 Stabilizer Bar
| Type | Thread | Tightening specification | Measure | ||
|---|---|---|---|---|---|
| 1AZ | Retaining bar for stabilizer to front axle carrier | E81/E82/E84/E87/E90/E88/E91/E92/E93 | M8 | Replace nuts | 21 Nm |
| E90/Allrad, E91/Allrad, E92/Allrad | M10 | Replace screws | 60 Nm | ||
| E84/Allrad | M10 | Replace screws | 56 Nm | ||
| 2AZ | Stabilizer link to stabilizer/spring strut shock absorber | E81/E82/E87/E88/E90/E91/E92/E93 | M10 | Replace nut | 58 Nm |
| E84 | M10 | Replace nut | 56 Nm | ||
TIGHTENING TORQUE SPECIFICATION - STABILIZER BAR
31 21 Wheel Bearings and Steering Knuckle
| Type | Thread | Tightening specification | Measure | ||
|---|---|---|---|---|---|
| 1AZ | Wheel bearing to swivel bearing | E81/E82/E87/E88/E90/E91/E92/E93 | M12 | Replace screws | 110 Nm |
| E84 | M12 | Replace screws | |||
| Jointing torque | 80 Nm | ||||
| Torque angle | 90° | ||||
| 2AZ | Drive flange to axle shaft | E90/Allrad, E91/Allrad, E92/Allrad | M27 | Replace collar nut, lightly oil contact surface | 420 Nm |
| E84 | M16 | Replace collar screw and spring. No oil is permitted on the collar screw. | |||
| Jointing torque | 210 Nm | ||||
| Torque angle | 90° | ||||
TIGHTENING TORQUE SPECIFICATION - WHEEL BEARINGS AND STEERING KNUCKLE
See also:
• TIGHTEN IN NORMAL POSITION