Important!
This replacement procedure can be used for:
BMW 3 Saloon (E46) 320 d, BMW 3 Saloon (E46) 318 d, BMW 3 Saloon (E46) 320 d 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

All the parts you need to replace – Radiator Hose for 3 Saloon (E46) and other BMW models
Tools
Replacement: сoolant hose – BMW 3 (E46). Tools you need:
All-purpose cleaning spray
Drive socket # 12
HEX bit No.H5
Ratchet wrench
Flat screwdriver
Funnel
Fluid container
Crow bar
Fender cover
Wheel chock
Replacement: сoolant hose – BMW 3 (E46). AUTODOC recommends:
  • Check the cooling circuit for leaks. Replace any worn parts.
  • All work should be done with the engine stopped.
Replacement: сoolant hose – BMW 3 (E46). Take the following steps:
  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 Radiator Hose on BMW E46 1998 - free PDF and video manuals
    Unscrew the fasteners of the air distribution housing assembly. Use a drive socket #12. Use a ratchet wrench.
  2. Step 4
    How to replace BMW 3 Saloon (E46) 320 d 1999 Radiator Hose - step-by-step manuals and video guides
    Remove the air distribution housing assembly.
  3. Step 5
    Secure the wheels with chocks.
    Step 6
    Lift the car using a jack or place it over an inspection pit.
    Step 7
    BMW E46 320d 2.0 2000 Radiator Hose replacement: free workshop manuals
    Unscrew the engine cover fastener. Use HEX No.H5. Use a ratchet wrench.
  4. Step 8
    Changing Radiator Hose on BMW 3 Saloon (E46) 320i 2.2 2001 by yourself
    Remove the engine cover.
    AUTODOC recommends:
    Do not apply excessive force when removing the part. Otherwise you may damage it.
  5. Step 9
    How to remove BMW 3 SERIES 318 i 2002 Radiator Hose - online easy-to-follow instructions
    Prepare a container for fluids.
  6. Step 10
    How to replace Radiator Hose on BMW 3 Saloon (E46) 2003: download PDF manuals and video instructions
    Unscrew the coolant drain plug. Use a flat screwdriver.
  7. Step 11
    How hard is it to do yourself: Radiator Hose replacement on BMW E46 318i 2.0 2004 - download illustrated guide
    Drain the coolant from the engine.
    Replacement: сoolant hose – BMW 3 (E46). Tip:
    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.
  8. Step 12
    Need to know how to renew Radiator Hose on BMW 3 SERIES 2005? This free workshop manual will help you to do it yourself
    Unscrew the coolant reservoir cap.
  9. Step 13
    Changing of Radiator Hose on BMW E46 1998 won't be an issue if you follow this illustrated step-by-step guide
    Remove the coolant hose retainers. Use a crowbar.
  10. Step 14
    BMW 3 SERIES 316i 1.8 Radiator Hose replacement: online guides and video tutorials
    Detach the coolant hose. Use a crowbar.
    Replacement: сoolant hose – BMW 3 (E46). Tip from AUTODOC experts:
    Be careful! The coolant may leak.Replacement: сoolant hose – BMW 3 (E46). To avoid damaging the part when removing it, do not use excessive force.
  11. Step 15
    Replacing Radiator Hose on BMW E46 2000 320 d by yourself
    Screw in the coolant drain plug. Use a flat screwdriver.
  12. Step 16
    3 Saloon (E46) 318 i 2001 Radiator Hose DIY replacement workshop manual
    Clean the mounting seats of the coolant hose. Use all-purpose cleaning spray.
  13. Step 17
    How to change Radiator Hose on BMW 3 Saloon (E46) 2002 - tips and tricks
    Connect the new coolant hose.
  14. Step 18
    Step-by-step recommendations for DIY replacement BMW E46 2003 318 i Radiator Hose
    Fasten the retainers of the coolant hose.
  15. Step 19
    DIY replacement of Radiator Hose on BMW 3 Saloon (E46) 330d 2.9 2004 is not an issue anymore with our step-by-step tutorial
    Insert the funnel.
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DIY BMW 3 Saloon (E46) Radiator Hose replacement - online guide
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