11 28 050 Replacing A/C Compressor Drive Belt With Belt Tensioner (N62/N62TU)

2009 BMW 650i 2D Coupe, AutomaticSECTION 11 28 050 Replacing A/C Compressor Drive Belt With Belt Tensioner (N62/N62TU)

Special tools required:Β 

  • 11 3 340

Necessary preliminary tasks:Β 

NOTE:

If the drive belt is to be reused:

Mark direction of travel and reinstall drive belt in same direction of travel.

Pretension belt tensioner slowly and carefully with a Torx socket as far as it will go and secure with special tool 11 3 340.

Remove drive belt.

Fig 1: Securing Drive Belt With Special Tool
G04739794Courtesy of BMW OF NORTH AMERICA, INC.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.