BMW Cars 1999-06

Crankshaft Damper (Balancer)

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Removal & Installation



M20 Engine
  1. Remove the fan and radiator. Remove the belts and water pump pulley. Remove the vibration damper bolts and remove the damper and pulley.
  2.  
  3. Remove the timing belt covers and belt.
  4.  
  5. Hold the hub with Tool No. 11 2 150 or equivalent. Remove the center bolt and the collar.
  6.  
  7. Replace the bolt in the threaded hole about 3 turns. Use a gear puller that has arms that will thread into the holes to remove the hub.
  8.  
  9. If the engine has a 2 piece hub, place the bolt back into the center hole about 3 turns and remove the sprocket using a similar puller as used to remove the first piece.
  10.  

To install:

  1. Install the hub and sprocket with a the lettering facing outwards. Check the crankshaft key is in place.
  2.  
  3. Hold the hub with Tool No. 11 2 150 or equivalent. Torque the center bolt to 287-317 ft. lbs. (390-430 Nm).
  4.  
  5. Install the timing belt. Use a new timing belt. Install the belt covers.
  6.  
  7. Install the vibration damper and pulley, matching the alignment pin. Torque the bolts to 16-17.7 ft. lbs. (22-24 Nm).
  8.  
  9. Install the water pump pulley and tighten the bolts to 71-88.5 inch lbs. (8-10 Nm). Install the belts and tighten. Install the fan and radiator. Fill the radiator with coolant mixture.
  10.  

M42 And M44 Engines


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Fig. Holding Tool No. 11 2 150 and attachment spacer Tool No. 11 2 410 or their equivalents support the damper for removal and installation-M44 engine illustrated

  1. Remove the fan and radiator. Remove the belts. Remove the vibration damper bolts and remove the damper and pulley.
  2.  
  3. Hold the hub or lock the flywheel. Remove the center bolt and the collar.
  4.  
  5. Replace the bolt in the threaded hole about 3 turns. Use a gear puller that has arms that will thread into the holes to remove the hub.
  6.  

To install:

  1. Install the hub and check the crankshaft key is in place. The collar part of the washer faces the hub.
  2.  
  3. Hold the hub or lock the flywheel. Torque the center bolt to 224 ft. lbs. (310 Nm).
  4.  
  5. Install the vibration damper and pulley, matching the alignment pin. Torque the bolts to 16-18 ft. lbs. (22-24 Nm).
  6.  
  7. Install the belts and tighten. Install the fan and radiator. Fill the radiator with coolant mixture.
  8.  

M50, M52, S50 And S52 Engines
  1. Remove the fan and radiator. Remove the belts. Remove the vibration damper bolts and remove the damper and pulley.
  2.  
  3. Hold the hub or lock the flywheel. Remove the center bolt and the collar.
  4.  
  5. Replace the bolt in the threaded hole about 3 turns. Use a gear puller that has arms that will thread into the holes to remove the hub.
  6.  

To install:

  1. Check the condition of the cover seal. Replace if necessary. Install the hub and check the crankshaft key is in place. The collar part of the washer faces the hub.
  2.  
  3. Hold the hub or lock the flywheel. Torque the center bolt to 296 ft. lbs. (410 Nm).
  4.  
  5. Install the vibration damper and pulley, matching the alignment pin. Torque the bolts to
  6.  
  7. 5-
  8.  
  9. 5 ft. lbs. (22-24 Nm).
  10.  
  11. Install the belts and tighten. Install the fan and radiator. Fill the radiator with coolant mixture.
  12.  

S14 Engine
  1. Remove the fan and radiator. Remove the belts.
  2.  
  3. Hold the hub by locking the flywheel. Remove the center bolt.
  4.  
  5. Gently tap the pulley from the crankshaft. Do not use a gear puller or hit it with a hammer, otherwise the pulley can be distorted.
  6.  

To install:

  1. Check the condition of the cover seal. Replace if necessary. Install the pulley and check the crankshaft key is in place.
  2.  
  3. Hold the hub by locking the flywheel. Torque the center bolt to 317-332 ft. lbs. (430-450 Nm).
  4.  
  5. Install the belts and tighten. Install the fan and radiator. Fill the radiator with coolant mixture.
  6.  

 
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