BMW Coupes and Sedans 1970-1988 Repair Guide

Final Drive

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REMOVAL & INSTALLATION



See Figure 1

  1. Disconnect the driveshaft from the input flange of the final drive. Support the driveshaft with wire.
  2.  
  3. Remove the constant velocity joint bolts and support the halfshafts from the body.
  4.  
  5. Disconnect the speed sensors, if equipped.
  6.  
  7. Support the unit and remove the front mounting bolts, then the rear mounting bolts. Lower the unit. The axle ratio is marked on the housing or cover.
  8.  



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Fig. Fig. 1: Remove the speed sensor harness from the final drive

To install:
  1. Install the final drive. Install the front bolts to support, then the rear bolts. Tighten the bolts to 80 ft. lbs. (110 Nm).
  2.  
  3. Install the halfshafts and the driveshaft.
  4.  

 
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