Installing starter motor

Installing the starter on vehicles with all-wheel drive 

• Make sure that the acoustic cover (1) is not damaged.
• Carefully push the acoustic cover (1) aside.
• Insert and install the starter (3) in the direction of the arrow.
• Tighten down screws (2).
  TIGHTENING TORQUES SPECIFICATION
  
  

  Starter motor to crankcase
  M8x60	Tightening torque	19 Nm

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• Position acoustic cover.
• Mount expanding rivets (1) at rear on the acoustic cover.
• Replace (2) clip.

  Parts:  clip

• Mount the clip (2).

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• Mount expanding rivet (1) in the center of the acoustic cover.

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• Mount expanding rivets (1) in front on the acoustic cover.

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• Version 1: 
• Connect the positive battery cable on the starter and secure it with the nut (1).
• Tighten the nut (1).
  TIGHTENING TORQUES SPECIFICATION
  
  

  Battery positive lead to starter
  M8	Tightening torque	13.5 Nm

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• Connect cable (terminal 50) on the starter and fasten with the nut (2).
• Tighten the nut (2).
  TIGHTENING TORQUES SPECIFICATION
  
  

  Terminal 50 to starter motor
  M6	Tightening torque	7.5 Nm

• Fasten the cable (terminal 50) to the clamps (3).
• Secure positive battery cable at the clamp (4).
• Version 2: 
• Connect connectors (2) and lock.

  The connector (2) must engage audibly.

• Tighten the nut (1) hand-tight.

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  CAUTION: Improper routing of the positive battery cable. 
  Risk of short circuits! 

  • Route the positive battery cable without abrasions and do not trap.
• Correctly  attach the positive battery cable (1) to the anti-twist lock (2).
• Tighten the nut (3).

Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work 

• Refer to INSTALLING UNDERBODY PROTECTION AT REAR .
• Refer to INSTALLING THE CENTER UNDERBODY PROTECTION .
• Refer to RECONNECTING ALL BATTERY GROUND LEADS