When to replace the Thermostat on your BMW 5 SERIES
Recommended replacement interval for the part category Engine thermostat : 50000 km
Important!
This replacement procedure can be used for:
BMW 5 Touring (E39) 530 d, BMW 5 Touring (E39) 525 d View more

The steps may slightly vary depending on the car design.

How to change engine thermostat on BMW E39 Touring [TUTORIAL AUTODOC]

video
All the parts you need to replace – Thermostat for 5 Touring (E39) and other BMW models
Tools
Replacement: engine thermostat – BMW E39 touring. List of the tools you'll need:
All-purpose cleaning spray
Sealant
Torque wrench
Combination spanner #16
Combination spanner #24
Combination spanner #32
Drive socket # 7
Drive socket # 10
HEX bit No.H5
Ratchet wrench
Clip removal tool
Seal scraper
Flat screwdriver
Funnel
Fluid container
Crow bar
Microfibre towel
Fender cover
Replacement: engine thermostat – BMW E39 touring. Tip from AUTODOC:
  • Check the condition of the coolant every time you replace the thermostat. Change the coolant if necessary.
  • Please note: all work on the car – BMW E39 touring – should be done with the engine switched off.
Carry out replacement in the following order:
  1. Step 1
    How to change Thermostat on BMW E39 Touring 1996 - free PDF and video manuals
    Open the hood.
  2. Step 2
    How to replace BMW 5 Touring (E39) 530d 3.0 1997 Thermostat - step-by-step manuals and video guides
    Use a fender protection cover to prevent damaging paintwork and plastic parts of the car.
  3. Step 3
    BMW E39 Touring 525i 2.5 1998 Thermostat replacement: free workshop manuals
    Unscrew the coolant reservoir cap.
  4. Step 4
    Changing Thermostat on BMW 5 Touring (E39) 523 i 1999 by yourself
    Remove the fan shroud clips. Use a clip removal tool.
  5. Step 5
    How to remove BMW 5 SERIES 520 i 2000 Thermostat - online easy-to-follow instructions
    Unscrew the cooling fan fastener. Use a combination spanner #32 (2 pieces).
  6. Step 6
    How to replace Thermostat on BMW 5 Touring (E39) 2001: download PDF manuals and video instructions
    Remove the fan shroud. Remove the cooling fan.
  7. Step 7
    How hard is it to do yourself: Thermostat replacement on BMW E39 Touring 530 i 2002 - download illustrated guide
    Unscrew the engine cover fastener. Use HEX No.H5. Use a ratchet wrench.
  8. Step 8
    Need to know how to renew Thermostat on BMW 5 SERIES 2003? This free workshop manual will help you to do it yourself
    Remove the engine cover.
    AUTODOC recommends:
    Replacement: engine thermostat – BMW E39 touring. Do not use excessive force when removing the part as this may damage it.
  9. Step 9
    Changing of Thermostat on BMW E39 Touring 2004 won't be an issue if you follow this illustrated step-by-step guide
    Prepare a container for fluids.
  10. Step 10
    BMW 5 SERIES 530d 3.0 Thermostat replacement: online guides and video tutorials
    Open the coolant drain tap.
  11. Step 11
    Replacing Thermostat on BMW E39 Touring 1997 530d 3.0 by yourself
    Drain the coolant from the engine.
    Replacement: engine thermostat – BMW E39 touring. Tip from AUTODOC experts:
    Caution! The coolant can be very hot.Wear gloves to prevent contact with hot liquid.All work should be done with the engine stopped.Wait until the coolant has completely flowed out of the drain hole.
  12. Step 12
    Close the coolant drain tap.
    Step 13
    5 Touring (E39) 520 i 1998 Thermostat DIY replacement workshop manual
    Unscrew the intercooler pipe clamp. Use a drive socket #7. Use a ratchet wrench.
  13. Step 14
    How to change Thermostat on BMW 5 Touring (E39) 1999 - tips and tricks
    Remove the intercooler hose.
  14. Step 15
    Step-by-step recommendations for DIY replacement BMW E39 Touring 2000 520 i Thermostat
    Unscrew the fastener of the coolant hose clamp. Use a drive socket #10. Use a ratchet wrench.
  15. Step 16
    DIY replacement of Thermostat on BMW 5 Touring (E39) 525d 2.5 2001 is not an issue anymore with our step-by-step tutorial
    Pull aside the V belt tensioner pulley. Use a combination spanner #16.
  16. Step 17
    How to change Thermostat on BMW E39 Touring 1996 - free PDF and video manuals
    Remove the V belt.
    Replacement: engine thermostat – BMW E39 touring. Professionals recommend:
    Check the condition of the tensioner pulley and idler pulley. Replace them if necessary.
  17. Step 18
    How to replace BMW 5 Touring (E39) 530d 3.0 1997 Thermostat - step-by-step manuals and video guides
    Return the tensioner pulley to its initial position.
  18. Step 19
    BMW E39 Touring 525i 2.5 1998 Thermostat replacement: free workshop manuals
    Pull aside the V-ribbed belt tensioner pulley. Use a combination spanner #16.
  19. Step 20
    Changing Thermostat on BMW 5 Touring (E39) 523 i 1999 by yourself
    Remove the V-ribbed belt.
    Replacement: engine thermostat – BMW E39 touring. AUTODOC recommends:
    Check the condition of the tensioner pulley and idler pulley. Replace them if necessary.
  20. Step 21
    How to remove BMW 5 SERIES 520 i 2000 Thermostat - online easy-to-follow instructions
    Return the tensioner pulley to its initial position.
  21. Step 22
    How to replace Thermostat on BMW 5 Touring (E39) 2001: download PDF manuals and video instructions
    Loosen the coolant hose clamp.
  22. Step 23
    How hard is it to do yourself: Thermostat replacement on BMW E39 Touring 530 i 2002 - download illustrated guide
    Detach the coolant hose. Use a crowbar.
  23. Step 24
    Need to know how to renew Thermostat on BMW 5 SERIES 2003? This free workshop manual will help you to do it yourself
    Loosen the coolant hose clamp.
  24. Step 25
    Changing of Thermostat on BMW E39 Touring 2004 won't be an issue if you follow this illustrated step-by-step guide
    Detach the coolant hose. Use a crowbar.
    Replacement: engine thermostat – BMW E39 touring. Tip from AUTODOC:
    Caution! Coolant may leak out of the coolant lines and thermostat housing.
  25. Step 26
    BMW 5 SERIES 530d 3.0 Thermostat replacement: online guides and video tutorials
    Clean the thermostat housing fasteners. Use all-purpose cleaning spray.
  26. Step 27
    Replacing Thermostat on BMW E39 Touring 1997 530d 3.0 by yourself
    Unscrew the thermostat housing fasteners. Use a drive socket #10. Use a ratchet wrench.
  27. Step 28
    5 Touring (E39) 520 i 1998 Thermostat DIY replacement workshop manual
    Remove the thermostat housing. Use a crowbar.
    AUTODOC recommends:
    Replacement: engine thermostat – BMW E39 touring. Do not use excessive force when removing the part as this may damage it.Caution! Coolant may leak out of the coolant lines and thermostat housing.
  28. Step 29
    How to change Thermostat on BMW 5 Touring (E39) 1999 - tips and tricks
    Cover the thermostat housing with a microfibre cloth to prevent dirt and foreign objects entering the system.
  29. Step 30
    Step-by-step recommendations for DIY replacement BMW E39 Touring 2000 520 i Thermostat
    Clean the thermostat housing mounting seat. Use a seal scraper. Use all-purpose cleaning spray.
  30. Step 31
    DIY replacement of Thermostat on BMW 5 Touring (E39) 525d 2.5 2001 is not an issue anymore with our step-by-step tutorial
    Treat the thermostat housing mounting seat. Use a sealant.
  31. Step 32
    Remove the microfibre cloth from the thermostat housing.
    Step 33
    How to change Thermostat on BMW E39 Touring 1996 - free PDF and video manuals
    Install the new thermostat housing.
    AUTODOC recommends:
    Replacement: engine thermostat – BMW E39 touring. Do not use excessive force during installation. This may damage the part.
  32. Step 34
    How to replace BMW 5 Touring (E39) 530d 3.0 1997 Thermostat - step-by-step manuals and video guides
    Tighten the thermostat housing fasteners. Use a drive socket #10. Use a torque wrench. Tighten it to 7 nm torque.
  33. Step 35
    BMW E39 Touring 525i 2.5 1998 Thermostat replacement: free workshop manuals
    Attach the coolant hose.
  34. Step 36
    Changing Thermostat on BMW 5 Touring (E39) 523 i 1999 by yourself
    Secure the coolant hose clamp.
  35. Step 37
    How to remove BMW 5 SERIES 520 i 2000 Thermostat - online easy-to-follow instructions
    Tighten the coolant hose fastener. Use a drive socket #10. Use a torque wrench. Tighten it to 6 nm torque.
  36. Step 38
    How to replace Thermostat on BMW 5 Touring (E39) 2001: download PDF manuals and video instructions
    Attach the coolant hose.
  37. Step 39
    How hard is it to do yourself: Thermostat replacement on BMW E39 Touring 530 i 2002 - download illustrated guide
    Secure the coolant hose clamp.
  38. Step 40
    Need to know how to renew Thermostat on BMW 5 SERIES 2003? This free workshop manual will help you to do it yourself
    Clean the mounting seats of the V-ribbed belt. Use all-purpose cleaning spray.
Was this manual helpful?
Please rate this manual on a scale from 1 to 5. If you have any questions, feel free to ask us.
Users voted – 0
Searching for the right tyres?

Find out which tyre and wheel sizes are compatible with the BMW 5 Touring (E39) model.

Your profile is your personal assistant.

It can track car expenses, keep a car log and replacement schedule, and save favourite materials, notes and documents

Install the AUTODOC CLUB app!
Your personal car expenses manager, maintenance tips, reminders about upcoming appointments and service intervals, DIY repair instructions – all this on your phone.
BMW 5 Touring (E39) Thermostat replace by yourself - Scan QR-code and download AUTODOC CLUB app
Scan

To download the app:

  • - scan the QR code
  • - download from App Store
  • - download from Google Play
DIY BMW 5 Touring (E39) Thermostat replacement - online guide
Tips & tricks for your BMW 5 Touring (E39)
View more
  • How to change Coolant thermostat on BMW 5 Touring (E39) 525d 2.5 - replacement tricks
    5 most common causes of oil leaks | AUTODOC tips
  • Changing Coolant thermostat BMW E39 Touring 530d 3.0 - Replacement Tips
    Top 5 reasons why the suspension knocks | AUTODOC tips
  • Maintenance Hacks - BMW 5 Touring (E39) 525i 2.5 Coolant thermostat replacement guide
    How to swap the engine on a BMW E30 Turbo | SUPERCAR AUTODOC
  • Replace Coolant thermostat on BMW E39 Touring - free video tips
    How to start a car after a long idle period | AUTODOC tips