52 10 Front seats

FRONT SEATS - TIGHTENING TORQUE SPECIFICATIONS

Application	Type	Thread	Tightening Instructions	Measure
1AZ Seat to floor plate	E31/E32/E34/E36	M10		44 N.m
	E36/Z3 front	M8		22 N.m
	E36/Z3 rear	M10		43 N.m
	E38 / E39 / E46 / E52 / E53 / E63 / E64 / E83 / E85	M10		45 N.m
			Torque angle	90°
	E60 / E61 / E65 / E66 / E67 / E87 / E90 / E91	M10 (trilobular)	Replace Powerlok screw	44 N.m
2AZ Backrest-frame on seat frame	E36			60 N.m
	E63/E64/E83/E85			32 N.m
	E46 all except Convertible		Replace screws	32 N.m
	E65/E66/E67/E60/E61	M10 (trilobular)	Replace Powerlok screw	33 N.m
	E53			45 N.m
3AZ Support (backrest shell) to headrest rail	E31			6.5 N.m
4AZ Headrest rail on seat-backrest-frame	E31			25 N.m
5AZ Finisher on seat rail	E38/E39	M4		4 N.m
6AZ Seat frame to seat runner	E38/E39	M6		15 N.m
	E60/E61/E65/E66	M8		27 N.m
7AZ Actuating unit to seat frame	E46/E85			10^+/-2 N.m
8AZ Adjusting screw for eccentric disk	E46/E85			1.4 N.m
9AZ Seat pan to seat frame	E46/E85			10^+/-2 N.m
10AZ Microswitch to front seat	E46			2^+/-1 N.m
11AZ Seat backrest frame to seat rail	E31			25 N.m
12AZ Trims to seat mechanism	E63/E64			3 N.m
13AZ Trim to seat cushion shell	E63/E64			4.4 N.m
14AZ Backrest frame to seat frame - Screw	E46 Convertible		Replace screws	24⁺⁴ N.m
15AZ Backrest frame to seat frame - Pin with knurling and lock nut	E46 Convertible		Replace screws	40⁺⁵ N.m
16AZ Seat tilt adjuster to seat mechanism	E46, E53, E83, E85	M6x10 (trilobular)	Replace Taptite screw	9 N.m
17AZ Seat tilt adjuster to seat pan	E46, E53, E83, E85			9 N.m
18AZ Active head restraint Sliding rails with gas cartridge	E60 / E61 / E65 / E66 / E67			8 N.m
19AZ Belt guide to backrest	E85			1.25 N.m
20AZ Kinematic element to backrest frame	E46 Convertible			3⁺² N.m