52 10 Front Seats
TIGHTENING TORQUE SPECIFICATION - FRONT SEATS
| - | Type | Thread | Tightening specification | Measure |
|---|---|---|---|---|
| 1AZ Seat to floor plate | E31/E32/E34/E36 | M10 | - | 44 Nm |
| - | E36/Z3 front | M8 | - | 22 Nm |
| - | E36/Z3 rear | M10 | - | 43 Nm |
| - | E38/E39/E46/E52/E53/E63/E64/E83/E85 | M10 | - | 45 Nm |
| - | - | - | Torque angle | 90° |
| - | E60/E61/E65/E66/E67/E87/E90/E91 | M10 (trilobular) | Replace Powerlok screw | 44 Nm |
| 2AZ Backrest frame to seat frame | E36 | - | - | 60 Nm |
| - | E63/E64/E83/E85 | - | - | 32 Nm |
| - | E46 all except Convertible | - | Replace screws | 32 Nm |
| - | E65/E66/E67/E60/E61 | M10 (trilobular) | Replace Powerlok screw | 33 Nm |
| - | E53 | - | - | 45 Nm |
| 3AZ Support (backrest shell) to headrest rail | E31 | - | - | 6.5 Nm |
| 4AZ Head restraint rail to backrest frame | E31 | - | - | 25 Nm |
| 5AZ Finisher on seat rail | E38/E39 | M4 | - | 4 Nm |
| 6AZ Seat frame to seat runner | E38/E39 | M6 | - | 15 Nm |
| - | E60/E61/E65/E66 | M8 | - | 27 Nm |
| 7AZ Actuating unit to seat frame | E46/E85 | - | - | 10±2 Nm |
| 8AZ Adjusting screw for eccentric element | E46/E85 | - | - | 1.4 Nm |
| 9AZ Seat pan to seat frame | E46/E53/E63/E64/E83/E85 | - | - | 10± 2 Nm |
| 10AZ Microswitch to front seat | E46 | - | - | 2± 1 Nm |
| - | 11AZ Backrest frame to seat rail | E31 | - | 25 Nm |
| 12AZ Trims to seat mechanism | E63/E64 | - | - | 3 Nm |
| 13AZ Trim to seat cushion shell | E63/E64 | - | - | 4.4 Nm |
| 14AZ Backrest frame to seat frame - Screw | E46 Convertible | - | Replace screws | 24 +4 Nm |
| 15AZ Backrest frame to seat frame - Pin with knurling and lock nut | E46 Convertible | - | Replace screws | 40 +5 Nm |
| 16AZ Seat tilt adjuster to seat mechanism | E46/E53/E83/E85 | M6 x 10 (trilobular) | Replace Taptite screw | 9 Nm |
| 17AZ Seat tilt adjuster to seat pan | E46/E53/E83/E85 | - | - | 9 Nm |
| 18AZ Active head restraint Sliding rails with gas cartridge | E60/E61/E65/E66/E67 | - | - | 8 Nm |
| 19AZ Belt guide to backrest | E85 | - | - | 1.25 Nm |
| 20AZ Kinematic element to backrest frame | E46 Convertible | - | - | 3 +2 Nm |