52 10 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 | ||
FRONT SEATS - TIGHTENING TORQUES SPECIFICATION
52 24 Rear Seat (normal), manual
| Type | Thread | Tightening specification | Measure | ||
|---|---|---|---|---|---|
| 1AZ | Backrest on body | E38 | M6 | 5 Nm | |
| E60 | M8 | 18.5 Nm | |||
| 2AZ | Head restraint support to backrest | E60 | M6 | Screws, top | 5.6 Nm |
| Screws, bottom | 8 Nm | ||||
| 3AZ | Armrest lock to backrest | E60 | M6 | 8 Nm | |
| 4AZ | Backrest lock to backrest | E60 | M6 | 19 Nm | |
| 5AZ | Center armrest to backrest frame | E60 | M6 | 19 Nm | |
| 6AZ | Storage compartment casing to body | E63 / E64 | 7.5 Nm | ||
| 7AZ | Ski bag casing to body (hexagon screw) | E63 / E64 | M8 | 24 Nm | |
| 8AZ | Lock to body | ||||
| 9AZ | Top Tether eyelet | E60 / E63 / E65 / E66 | 17 Nm | ||
REAR SEAT (NORMAL), MANUAL - TIGHTENING TORQUES SPECIFICATION
52 26 Rear Seats (through-loading system)
| Type | Thread | Tightening specification | Measure | ||
|---|---|---|---|---|---|
| 1AZ | Outer mount (backrest) to body | E60 | 12.5 Nm | ||
| 2AZ | Center mount (backrest) to body | E60 | 12.5 Nm | ||
| 3AZ | Backrest lock to seat back | E60 | 12.5 Nm | ||
| 4AZ | Center armrest to seat back | E60 | M6 | 6 Nm | |
| 5AZ | Outer mount to seat back | E60 | 38 Nm | ||
| 6AZ | Skibag cover to skibag frame | E60 | 6 Nm | ||
| 7AZ | Striker to body | ||||
| 8AZ | Lashing eye to backrest | ||||
| 9AZ | Lock to backrest | E61 | 20+5 Nm | ||
| 10AZ | Lock to body | E60 | 18.5 Nm | ||
REAR SEATS (THROUGH-LOADING SYSTEM) - TIGHTENING TORQUES SPECIFICATION
52 25 Rear seat (normal), electric
| Type | Thread | Tightening specification | Measure | ||
|---|---|---|---|---|---|
| 1AZ | Backrest on body | E38 | 5 Nm | ||
| E65 / E66 / E67 | Install nuts with Loctite | 20 Nm | |||
| 2AZ | Seat to floor plate | E65 / E66 / E67 | 20 Nm | ||
| E65 / E66 / E67 | Plastic nut | 12 Nm | |||
| 3AZ | Backrest frame to seat frame | E65 / E66 / E67 | 18 Nm | ||
| 4AZ | Center armrest to body | E65 / E66 / E67 | 19 Nm | ||
REAR SEAT (NORMAL), ELECTRIC - TIGHTENING TORQUES SPECIFICATION
| Type | Thread | Tightening specification | Measure | ||
|---|---|---|---|---|---|
| 1AZ | Outer mount (backrest) to body | E60 | 12.5 Nm | ||
| 2AZ | Center mount (backrest) to body | E60 | 12.5 Nm | ||
| 3AZ | Backrest lock to seat back | E60 | 12.5 Nm | ||
| 4AZ | Center armrest to seat back | E60 | M6 | 6 Nm | |
| 5AZ | Outer mount to seat back | E60 | 38 Nm | ||
| 6AZ | Skibag cover to skibag frame | E60 | 6 Nm | ||
| 7AZ | Striker to body | ||||
| 8AZ | Lashing eye to backrest | ||||
| 9AZ | Lock to backrest | E61 | 20+5 Nm | ||
| 10AZ | Lock to body | E60 | 18.5 Nm | ||
REAR SEATS (THROUGH-LOADING SYSTEM) - TIGHTENING TORQUES SPECIFICATION