BMW Coupes and Sedans 1970-1988 Repair Guide

Speedometer Cable

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REMOVAL & INSTALLATION



This applies to vehicles which are not equipped with a speed sensor.

1600, 2000, and 2002 Models
  1. Unscrew the cable fastening bolt on the transmission and pull the cable out.
  2.  
  3. Pull the cable out of the clamp under the car.
  4.  
  5. Remove the cable cover from under the steering column.
  6.  
  7. Reach up behind the instrument cluster and unscrew the cable retaining nut. The cable may now be pulled from the firewall together with the rubber grommet.
  8.  

To install:
  1. Install the cable through the firewall with the grommet and install it into the speedometer.
  2.  
  3. Install the cable cover. Attach the cable to the transmission. Check the operation of the speedometer, if it sticks or makes a clicking noise, check that the cable is correctly routed.
  4.  

2500, 2800, 3000, Bavaria, 3.0 and 524td; 3, 5, 6 and 7

Series Models Through 1983

  1. Unscrew the retaining bolt, and pull the cable out of the transmission. Pull the cable off the retaining clips under the car.
  2.  
  3. Open the glove compartment on the left side. Reach up behind the instrument cluster and unscrew the cable retaining nut behind the speedometer.
  4.  
  5. Detach the hazard flasher relay, and move it aside. Then, pull the cable and the rubber grommet out of the firewall.
  6.  

To install:
  1. Install the cable through the firewall with the grommet and install it into the speedometer. Reposition the hazard flasher relay.
  2.  
  3. Attach the cable to the transmission. Check the operation of the speedometer, if it sticks or makes a clicking noise, check that the cable is correctly routed.
  4.  

1984-88 Models Except 524td

All of the remaining models not previously listed are equipped with an electronic speedometer. This speedometer has no mechanical connection to the transmission. Instead, a sensor in the transmission sends electronic signals to the speedometer which are then translated into the motion of the needle. The only service for any problems with this system is replacement of the speed sensor in the transmission or replacement of the speedometer or circuit board.

  1. Raise and safely support the rear of the vehicle.
  2.  
  3. Turn the ignition switch OFF .
  4.  
  5. Squeeze the connector of the electrical plug and disconnect the plug on the rear axle cover.
  6.  
  7. Remove the 2 bolts holding the sensor in place. Catch any lubricant that leaks out.
  8.  
  9. Install a new O-ring on the sender and install in the rear axle. Install the electrical connector.
  10.  

 
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