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

Driveshaft End Bearing

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REMOVAL & INSTALLATION



See Figure 1



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Fig. Fig. 1: Check the condition of the end bearing at the flex coupling

  1. Remove the exhaust system. Remove the crossbrace under the driveshaft. Remove the heatshields. Mark the relationship of the driveshaft flange to the transmission output flange for installation.
  2.  
  3. Use tool 26 1 040 or equivalent to loosen the spline locking ring behind the center bearing.
  4.  
  5. Support the transmission and remove the transmission crossmember, if blocking the access to the coupling. Remove the bolts holding the flex coupling to the transmission output flange. If equipped with a vibration damper, rotate the damper and pull off with the flex coupling.
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  7. Fill the opening of the bearing with grease. Use a tool the same diameter as the bore in the bearing and drive in. The hydraulic force developed will drive the bearing out from the back side.
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To install:
  1. Clean the grease from the bore and fill with 2 grams of moly lubricant grease. Drive the new bearing in until so it protrudes 0.177 inch (4.5 mm).
  2.  
  3. Install the front flex coupling and vibration damper. The arrows must face the flange arms. Torque the M10-8.8 bolts to 35 ft. lbs. (48 Nm) and the M10-10.9 bolts to 52 ft. lbs. (72 Nm).
  4.  
  5. Install the transmission crossmember. Torque the spline locking ring to 12 ft. lbs. (17 Nm) for 2 wheel drive and 16 ft. lbs. (22 Nm) for 4 wheel drive.
  6.  
  7. Install the heatshields and crossmember. Install the exhaust system.
  8.  

 
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