BMW 7_aya the E38 series from 1994 to 2002
1. Introduction
2. Governing bodies and methods of operation
3. Settings and routine maintenance of the car
4. Engine
5. Cooling systems of the engine, heating, ventilation and air conditioning
6. A power supply system and production of the fulfilled gases
7. Systems of electric equipment of the engine
8. Manual box of gear shifting and coupling
9. Automatic transmission
10. Cardan and power shafts, reducer, differential and stupichny assemblies
11. Brake system
12. Suspension bracket and steering
12.1. General information, recommendations and security measures
12.2. Forward suspension bracket
12.3. Back suspension bracket
12.4. EDC system
12.5. Steering
13. Body
14. Onboard electric equipment
15. Schemes of electric equipment


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12. Suspension bracket and steering

Specifications

The maximum axial beating of a nave of a wheel on a flange of the stupichny bearing, mm 0.03
Gap of the 2-row wheel bearing, mm no more than 0.06 ÷ 0.08
Maximum//the minimum pressure in a contour of the valve of adjustment of a road gleam, atm 120 ± 5//30 ± 3
Working pressure of the hydroaccumulator of adjustment of a suspension bracket, atm 23 ± 0.5

Forward suspension bracket

Width of a track of forward wheels at normal loading, mm
  • With a depth of press fitting of 20 mm
1552
  • With a depth of press fitting of 23 mm
1546
Height of a road gleam of the forward bridge at normal loading (from the lower edge of a rim of a wheel to bottom edge of a wheel arch, through the center of a wheel), mm
  • Difference in a deviation from a preset value between all wheels
no more than 10
  • Serial suspension bracket (rim 16"//17"//18")
613 / 628///641 (± 10)
  • Sports suspension bracket (rim 16"//17"//18")
593 / 608///621
  • Complete set for bad roads (a rim 16"//17"//18")
635 / 650///663
General convergence of wheels 0 °14' ± 10'
Disorder of wheels (a difference between left and right no more than 40')
  • Basic equipment
- 13' ± 30'
  • Complete set for bad roads
- 18' ± 30'
  • Sports suspension bracket
- 36' ± 30'
Corner between radiuses of turn of internal and external wheels at turn of an internal wheel on a corner 20 ° (a difference between left and right no more than 30')
  • Basic equipment
- 1 °35' ± 30'
  • Complete set for bad roads
- 1 °24' ± 30'
  • Sports suspension bracket
- 1 °45' ± 30'
Corner of a longitudinal inclination of an axis of turn (a difference between left and right no more than 30') at turn of wheels on ± 10 °//± 20 °
  • Basic equipment
5 °58' ± 30'//6 °06' ± 30'
  • Complete set for bad roads
5 °46' ± 30'//5 °54' ± 30'
  • Sports suspension bracket
6 °12' ± 30'//6 °20' ± 30'
Not coaxiality of forward wheels 0 ° ± 15'
Maximum angle of rotation internal//external wheel 43 °//33 °
Diameter of a turn, m 11.6

Back suspension bracket

Width of a track of back wheels at normal loading, mm
  • With a depth of press fitting of 20 mm
1568
  • With a depth of press fitting of 23 mm
1562
Height of a road gleam of the forward bridge at normal loading (from the lower edge of a rim of a wheel to bottom edge of a wheel arch, through the center of a wheel), mm
Difference in a deviation from a preset value between all wheels no more than 10
Serial, sports suspension bracket and suspension bracket for bad roads
(with adjustment of a road gleam) (a rim 16"//17"//18") 569 / 584///597 (± 10)
Complete set for bad roads (without adjustment of a road gleam)
(rim 16"//17"//18") 589 / 604///617
General convergence of wheels 0 °18' ± 10'
Disorder of wheels (a difference between left and right no more than 15')
Basic and sports equipment
  • Measurement
- 1'30 ° ± 20'
  • Adjustment
- 1'27 ° ± 5'
Complete set for bad roads
  • Measurement
- 1'07 ° ± 20'
  • Adjustment
- 1'04 ° ± 5'
Geometrical axis of a trajectory of the movement 0 ° ± 12'

Steering

Transfer number of the steering mechanism 14.5
Working pressure of the pump GUR, atm 120 ÷ 140
Working pressure of the piston pump, atm 200

Efforts of tightening of threaded connections, Nanometer

Bolts of fastening of wheels 100
The sensor of a road gleam to an arm 5
Fixture of the lever of the sensor of a road gleam 8
Connections of the pressure head EDC pipelines (M10//M12) 14 / 20
Forward suspension bracket
Beam of a forward suspension bracket to a forward longeron

M10x9.8

47

M10x8.8

42

M12x8.8

77

M12x12.9

105

M12x10.9

110
Nut (18//21 mm) fastenings of a rack the suspension bracket/adapter for bad roads to a wheel niche / adapter for bad roads 24 / 34
Suspension bracket rack cylinder rod to the top support of a rack 64
The cross lever to a beam of a forward suspension bracket 77.5
The cross lever of a suspension bracket to a rotary fist 93
Suspension bracket lever extension to the lever of a steering trapeze / to a rotary fist 93
Suspension bracket lever extension to a connecting pipe / beam of the forward bridge 127
The holding bracket of the stabilizer of cross resistance to a beam of a forward suspension bracket / to a body 22
Rack of fastening of a bar of the stabilizer to the stabilizer / to a depreciation rack 65
Back suspension bracket
The shock-absorber to the longitudinal lever to a suspension bracket/support of the stupichny bearing / to the shaking lever / to the cross lever of a suspension bracket 127
Suspension bracket rack cylinder rod to the top support of a rack 23
The top support of a rack of a suspension bracket to a body/beam of the back bridge 24
Beam of the back bridge with the rubber-metal hinge to a body 127
The longitudinal lever of a suspension bracket to a beam of the back bridge 72
The directing lever to a support of the stupichny bearing 60
The top cross lever of a suspension bracket to a support of the stupichny bearing 160
The top cross lever of a suspension bracket to a beam of the back bridge 110
The additional lever to the longitudinal lever of a suspension bracket and a beam of the back bridge 127
The shaking lever to a beam of the back bridge (in front//behind) 60 / 130
The integrated lever to a support of the stupichny bearing in front 105
The threaded connection of the shaking lever, the integrated lever, a support of the stupichny bearing 236
Rack of fastening of a bar of the stabilizer to the stabilizer / to the shaking lever 42
Steering, safety cushion
Tip of cross steering thirst for a rotary fist / to a rotary support 65
Tightening bolt of cross steering draft 27
Steering bipod to the steering mechanism 61
The pendular lever to a beam of forward (M10//M12) Bridge 42 / 85
The steering mechanism to a beam of forward (M10x8.8//M10x10.9) Bridge 62
Pump GUR fixture 22
Pump GUR support to a forward longeron 22
Hollow bolts (M10//M14//M16//M18) of connection of the GUR lines 12 / 35///40 / 45
Unions of the GUR hydraulic lines to the receiver regulator 40
The cardan hinge with a crosspiece / the elastic coupling to the steering mechanism/helmsman to a shaft 19
Arm of fastening of the mechanism of adjustment of provision of a steering column to an arm of the dashboard and a basic arm of a pedal 22
Bolt with a six-sided head to an arm of fastening of the mechanism of adjustment of provision of a steering column 3
Collar/bracket of a pipe of an arm of fastening of a shaft of the steering mechanism 22
Steering column to a safety cushion arm 18
Steering column to the lever 14
The safety cushion block to a steering wheel 8
Bolt//a nut of fastening of a steering wheel to a steering column 63 / 80
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12.1. General information, recommendations and security measures