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Home >> BMW >> 2017 >> M4 2D Convertible, Automatic DCT Trans >> Repair and Diagnosis >> Body & Frame >> Sun Roof/T-Top/Convertible Top >> Sunroof & Convertible Top - Tightening Torques -- M4 (F82 & F83) >> 54 37 Power Convertible Top

54 37 Power Convertible Top

54 37 POWER CONVERTIBLE TOP - TIGHTENING TORQUE SPECIFICATION

  Type Thread Work instruction Value
1AZ Seal with trim strip
  • to roof shell, front and middle
E93/F33/F83     6 Nm
  • to roof shell, rear
E93/F33/F83     6 Nm
2AZ Bracket, rear module
  • to body
E93/F33/F83   Jointing torque
Final torque
10 Nm
19 Nm
3AZ Bracket, hardtop
  • to body
E93/F33/F83     17 Nm
4AZ Roof shell, front, to roof frame E93/F33/F83     19 Nm
5AZ Roof shell, middle, to roof frame E93/F33/F83     19 Nm
6AZ Roof shell, rear, to roof frame E93/F33/F83     19 Nm
7AZ Fastener
  • Roof shell, front
E93/F33/F83     8 ±1 Nm
8AZ Lock, cowl panel E93/F33/F83     8 ±1 Nm
9AZ Fastener
  • Roof shell, middle
E93/F33/F83     8 ±1 Nm
10AZ Roof strip hinge E93/F33/F83     5 Nm
11AZ Closing part
  • Roof shell, rear
E93     8 ±1 Nm
12AZ Coupling fastener to body/side panel E93/F33/F83     24 Nm
13AZ Roof frame to partition wall/rollover protection system E93/F33/F83     19 Nm
14AZ Roofliner, middle E93/F33/F83     2.5 Nm
15AZ Eyes for tensioning strap to roof frame E93/F33/F83     2.5 Nm
16AZ End of spring for tensioning strap to roof frame E93/F33/F83     2.5 Nm
17AZ Grounding strap, roof shell, rear E93/F33/F83   Screw
Nut
5.5 ±0.5 Nm 8 Nm
18AZ Automatic reel for tensioning strap to roof shell, middle E93/F33/F83   Replace nuts 4.6 ±0.5 Nm
19AZ Rear module, main bearing
  • to body and bracket
E93/F33/F83     19 Nm
20AZ Roof module, main bearing
  • to body and bracket
E93/F33/F83     19 Nm
21AZ Flap, C-pillar (roofliner to roof frame) E93/F33/F83     8 ±1 Nm
22AZ Barrel screws
  • to frame, roof and rear modules
E93/F33/F83   20 cNm = 0.2 Nm 20 cNm
23AZ Base plate to cowl panel E93/F33/F83     8 ±1 Nm
24AZ Lock nut over barrel screw
  • to coupling fastener
E93/F33/F83     19 Nm
25AZ Storage box to body E93 Nut   4.5 Nm
F33/F83 Nut   6 Nm
F33/F83 Screw   2.3 Nm
26AZ Microswitch for cowl panel base plate E93/F33/F83     4.6 ±0.7 Nm
27AZ Cover to soft top compartment lid E93/F33/F83 M6   8 Nm
28AZ Spring to tailgate aperture outlet E93/F33/F83     1.5 Nm
29AZ Electric motor, changeover, loading aid F33/F83     7 Nm
30AZ Holder, lock to main bearing F33/F83     24 Nm
31AZ Hydraulic cylinder to support tube F33/F83     8 Nm
32AZ Guide pin to lock F33/F83     19 Nm
33AZ Drive to hydraulic unit F33/F83     5 Nm