BMW 318/325/M3/525/535/M5 1989-1993 Repair Information

Brake Pedal

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REMOVAL & INSTALLATION



E30 3 Series
  1. Remove the lower dashboard trim panel to access the upper portion of the brake pedal.
  2.  
  3. Unhook the brake pedal and clutch pedal return springs.
  4.  
  5. Unclip the retainer from the brake pedal to linkage pin and pull the pin out.
  6.  
  7. Remove the nut from the pivot shaft and pull the shaft out. Remove the brake pedal.
  8.  

To install:
  1. Check the condition of the pedal bushing and replace if necessary. Lubricate the bushing with a light coating of grease.
  2.  
  3. Install the pedal and replace the pivot. Use a new locknut and torque to 20 ft. lbs. (27 Nm).
  4.  
  5. Install the pin and retainer at the linkage. Connect the pedal return springs.
  6.  
  7. Adjust the pedal height at the pushrod. The height should be 9.25 inches (235mm) from the lower edge of the pedal to the firewall, not including the carpet. Torque the locknut to 20 ft. lbs. (27 Nm).
  8.  
  9. If the brake light switch has a threaded body, adjust the brake light switch so there is 0.236 inches (6mm) from the pedal to the edge of the switch. If the body is not threaded, adjustment is automatic. Depress and hold the brake pedal down. Pull the sleeve and plunger to the full out position. Install in the holder and slowly release the brake pedal.
  10.  
  11. Install the lower trim.
  12.  

E36 3 Series
  1. Remove the lower dashboard trim panel to access the upper portion of the brake pedal.
  2.  
  3. Disconnect the wiring harness from the brake light switch. Press the brake pedal and hold down. Pull the plunger and sleeve of the brake switch forward and pull the switch out of the holder.
  4.  
  5. Disconnect the pedal return spring. Unclip the retainer from the brake pedal to linkage pin and pull the pin out.
  6.  
  7. Unclip the retainer from the brake pedal pivot pin and pull the pedal off.
  8.  

To install:
  1. Check the condition of the pedal bushing and replace if necessary. Lubricate the bushing with a light coating of grease.
  2.  
  3. Install the pedal and replace the pivot retainer clip.
  4.  
  5. Install the pin and retainer at the linkage. Connect the pedal return springs.
  6.  
  7. Adjust the pedal height at the pushrod. The height should be 8.85 inches (225mm) from the lower edge of the pedal to the firewall, not including the carpet. Torque the locknut to 20 ft. lbs. (27 Nm).
  8.  
  9. Depress and hold the brake pedal down. Pull the sleeve and plunger to the full out position. Install in the holder and slowly release the brake pedal. This will automatically adjust the switch position. Connect the harness plug.
  10.  
  11. Install the lower trim.
  12.  

E34 5 Series
  1. Remove the lower dashboard trim panel to access the upper portion of the brake pedal.
  2.  
  3. Unhook the brake pedal return spring.
  4.  
  5. Unclip the retainer from the brake pedal to linkage pin and pull the pin out.
  6.  
  7. Remove the nut from the pivot shaft and pull the shaft out to the clutch pedal. Remove the brake pedal complete with spacers and spring.
  8.  

To install:
  1. Check the condition of the pedal bushing and replace if necessary. Lubricate the bushing with a light coating of grease.
  2.  
  3. Install the pedal and replace the pivot shaft. Use a new locknut and torque to 20 ft. lbs. (27 Nm).
  4.  
  5. Install the pin and retainer at the linkage. Connect the pedal return spring.
  6.  
  7. Adjust the pedal height at the pushrod. The height should be 9.65 inches (245mm) from the lower edge of the pedal to the firewall, not including the carpet. Torque the locknut to 20 ft. lbs. (27 Nm).
  8.  
  9. If the brake light switch has a threaded body, adjust the brake light switch so there is 0.236 inches (6mm) from the pedal to the edge of the switch. If the body is not threaded, adjustment is automatic. Depress and hold the brake pedal down. Pull the sleeve and plunger to the full out position. Install in the holder and slowly release the brake pedal.
  10.  
  11. Install the lower trim.
  12.  

ADJUSTMENT



See Figure 1



Click image to see an enlarged view

Fig. Fig. 1: Brake pedal height is measured from the bottom of the pedal to the firewall

E30 3 Series
  1. Remove the lower dashboard trim panel to access the pedal.
  2.  
  3. Adjust the pedal height at the pushrod. The height should be 9.25 inches (235mm) from the lower edge of the pedal to the firewall, not including the carpet.
  4.  
  5. Torque the locknut to 20 ft. lbs. (27 Nm). Install the trim.
  6.  

E36 3 Series
  1. Remove the lower dashboard trim panel to access the pedal.
  2.  
  3. Adjust the pedal height at the pushrod. The height should be 8.85 inches (225mm) from the lower edge of the pedal to the firewall, not including the carpet.
  4.  
  5. Torque the locknut to 20 ft. lbs. (27 Nm). Install the trim.
  6.  

E34 5 Series
  1. Remove the lower dashboard trim panel to access the pedal.
  2.  
  3. Adjust the pedal height at the pushrod. The height should be 9.65 inches (245mm) from the lower edge of the pedal to the firewall, not including the carpet.
  4.  
  5. Torque the locknut to 20 ft. lbs. (27 Nm). Install the trim.
  6.  

 
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