52 10 Front seats

WARNING: This page does not describe the selected car, but rather 19 other vehicles, including the 2010 BMW M5, 2009 BMW M5, 2008 BMW M5, 2007 BMW M5, and 2007 BMW 550i. However, it is still accessible from the selected car via links, so may be relevant.

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