When to replace the Poly V-Belt on your BMW 3 SERIES
Recommended replacement interval for the part category Serpentine belt : 30000 km
Important!
This replacement procedure can be used for:
BMW 3 Compact (E46) 325 ti View more

The steps may slightly vary depending on the car design.

This video shows the replacement procedure of a similar car part on another vehicle

Tools
Replacement: serpentine belt – BMW 3 Compact (E46). Tools you'll need:
Combination spanner #13
Combination spanner #32
Drive socket # 16
Ratchet wrench
Torque wrench
Fender cover
Replacement: serpentine belt – BMW 3 Compact (E46). AUTODOC recommends:
  • All work should be done with the engine stopped.
Replacement: serpentine belt – BMW 3 Compact (E46). Use the following procedure:
  1. Step 1
    Open the bonnet.
    Step 2
    Use a fender protection cover to prevent damaging paintwork and plastic parts of the car.
    Step 3
    How to change Poly V-Belt on BMW 3 Compact (E46) 2001 - free PDF and video manuals
    Unscrew the fastener of the viscous fan clutch. Use a combination spanner #32.
  2. Step 4
    How to replace BMW 3 Compact (E46) 316ti 1.8 2002 Poly V-Belt - step-by-step manuals and video guides
    Remove the fan shroud seal.
  3. Step 5
    BMW 3 Compact (E46) 320td 2.0 2003 Poly V-Belt replacement: free workshop manuals
    Unscrew and remove the viscous fan clutch.
  4. Step 6
    Changing Poly V-Belt on BMW 3 Compact (E46) 318ti 2.0 2004 by yourself
    Remove the fan shroud.
  5. Step 7
    How to remove BMW 3 SERIES 318td 2.0 2005 Poly V-Belt - online easy-to-follow instructions
    Pull aside the AC compressor belt tensioner pulley. Use a combination spanner #13.
  6. Step 8
    How to replace Poly V-Belt on BMW 3 Compact (E46) 2001: download PDF manuals and video instructions
    Remove the AC compressor belt.
  7. Step 9
    How hard is it to do yourself: Poly V-Belt replacement on BMW 3 Compact (E46) 318Ti 2.0 2002 - download illustrated guide
    Remove the tensioner pulley cap.
  8. Step 10
    Need to know how to renew Poly V-Belt on BMW 3 SERIES 2003? This free workshop manual will help you to do it yourself
    Pull aside the V-ribbed belt tensioner pulley. Use a drive socket #16. Use a ratchet wrench.
  9. Step 11
    Changing of Poly V-Belt on BMW 3 Compact (E46) 2004 won't be an issue if you follow this illustrated step-by-step guide
    Remove the V-ribbed belt.
  10. Step 12
    BMW 3 SERIES 316ti 1.8 Poly V-Belt replacement: online guides and video tutorials
    Return the tensioner pulley to its initial position. Use a drive socket #16. Use a ratchet wrench.
    Replacement: serpentine belt – BMW 3 Compact (E46). Professionals recommend:
    Check the condition of the tensioner pulley and idler pulley. Replace them if necessary.
  11. Step 13
    Replacing Poly V-Belt on BMW 3 Compact (E46) 2001 316ti 1.8 by yourself
    Pull aside the V-ribbed belt tensioner pulley. Use a drive socket #16. Use a ratchet wrench.
  12. Step 14
    3 Compact (E46) 318td 2.0 2002 Poly V-Belt DIY replacement workshop manual
    Install the V-ribbed belt.
    Replacement: serpentine belt – BMW 3 Compact (E46). Tip from AUTODOC:
    Make sure that the V-ribbed belt fits all pulleys snugly.
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DIY BMW 3 Compact (E46) Poly V-Belt replacement - online guide
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