When to replace the Spark Plug on your BMW 5 SERIES
Recommended replacement interval for the part category Spark plug : 18 month / 30000 km
Important!
This replacement procedure can be used for:
BMW 5 Saloon (E39) 523 i, BMW 5 Saloon (E39) 528 i, BMW 5 Saloon (E39) 540 i, BMW 5 Saloon (E39) 535 i, BMW 5 Saloon (E39) M5, BMW 5 Saloon (E39) 535 i, BMW 5 Saloon (E39) 520 i, BMW 5 Saloon (E39) 520 i, BMW 5 Saloon (E39) 525 i, BMW 5 Saloon (E39) 530 i, BMW 5 Saloon (E39) 520 i View more

The steps may slightly vary depending on the car design.

How to change spark plug on BMW 520i (E39) [TUTORIAL AUTODOC]

video
All the parts you need to replace – Spark Plug for 5 Saloon (E39) and other BMW models
Tools
Replacement: spark plugs – BMW E39. List of the tools you'll need:
High-temperature anti-seize lubricant
Drive socket # 10
Spark plug socket # 16
Ratchet wrench
Torque wrench
Telescoping magnet
Crow bar
Fender cover
Replacement: spark plugs – BMW E39. Tip from AUTODOC experts:
  • The replacement procedure is the same for all spark plugs.
  • All work should be done with the engine stopped.
Replacement: spark plugs – BMW E39. Use the following procedure:
  1. Step 1
    How to change Spark Plug on BMW E39 1995 - free PDF and video manuals
    Open the bonnet.
  2. Step 2
    How to replace BMW 5 Saloon (E39) 523 i 1996 Spark Plug - 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 530d 3.0 1997 Spark Plug replacement: free workshop manuals
    Unscrew the engine cover fastener. Use a drive socket #10. Use a ratchet wrench.
  4. Step 4
    Changing Spark Plug on BMW 5 Saloon (E39) 520 i 1998 by yourself
    Remove the engine cover.
    Replacement: spark plugs – BMW E39. Tip:
    Do not apply excessive force when removing the part. Otherwise you may damage it.
  5. Step 5
    How to remove BMW 5 SERIES 525 tds 1999 Spark Plug - online easy-to-follow instructions
    Detach the air duct housing from the air filter housing.
  6. Step 6
    How to replace Spark Plug on BMW 5 Saloon (E39) 2000: download PDF manuals and video instructions
    Unscrew the engine cover fastener. Use a drive socket #10. Use a ratchet wrench.
  7. Step 7
    How hard is it to do yourself: Spark Plug replacement on BMW E39 525i 2.5 2001 - download illustrated guide
    Unscrew the oil filler plug.
  8. Step 8
    Need to know how to renew Spark Plug on BMW 5 SERIES 2002? This free workshop manual will help you to do it yourself
    Remove the engine cover.
    AUTODOC recommends:
    Replacement: spark plugs – BMW E39. To avoid damaging the part when removing it, do not use excessive force.
  9. Step 9
    Changing of Spark Plug on BMW E39 2003 won't be an issue if you follow this illustrated step-by-step guide
    Tighten the oil filler cap.
  10. Step 10
    BMW 5 SERIES 540 i Spark Plug replacement: online guides and video tutorials
    Unplug the connectors from the ignition coils. Use a crowbar.
  11. Step 11
    Replacing Spark Plug on BMW E39 1996 523 i by yourself
    Unscrew the fasteners of the ignition coils. Use a drive socket #10. Use a ratchet wrench.
  12. Step 12
    5 Saloon (E39) 525 tds 1997 Spark Plug DIY replacement workshop manual
    Take out the ignition coils from the spark plug wells.
    Replacement: spark plugs – BMW E39. AUTODOC recommends:
    Remember the sequence of steps for ignition coil demounting.
  13. Step 13
    How to change Spark Plug on BMW 5 Saloon (E39) 1998 - tips and tricks
    Clean dirt, dust and debris from inside the spark plug wells.
  14. Step 14
    Step-by-step recommendations for DIY replacement BMW E39 1999 525 tds Spark Plug
    Unscrew the spark plugs. Use the spark plug socket #16. Use a ratchet wrench.
  15. Step 15
    DIY replacement of Spark Plug on BMW 5 Saloon (E39) 528 i 2000 is not an issue anymore with our step-by-step tutorial
    Take out the spark plugs. Use a telescoping magnet.
  16. Step 16
    How to change Spark Plug on BMW E39 1995 - free PDF and video manuals
    Apply a thin layer of a special high temperature anti-seize lubricant to the threads of the new spark plugs.
  17. Step 17
    How to replace BMW 5 Saloon (E39) 523 i 1996 Spark Plug - step-by-step manuals and video guides
    Install the new spark plugs into their mounting seats. Use the spark plug socket #16.
  18. Step 18
    BMW E39 530d 3.0 1997 Spark Plug replacement: free workshop manuals
    Screw new spark plugs and tighten them. Use the spark plug socket #16. Use a torque wrench. Tighten it to 26 nm torque.
    Replacement: spark plugs – BMW E39. Tip from AUTODOC experts:
    Don't tighten the plugs with excessive force. Exceeding tightening torque can damage the thread connection. Be careful when working with a spark plug wrench. Its skewing can cause damage to the threaded connection.
  19. Step 19
    Changing Spark Plug on BMW 5 Saloon (E39) 520 i 1998 by yourself
    Install the ignition coils to the spark plug wells. Make sure you hear a click indicating that it is locked in place.
    AUTODOC recommends:
    Replacement: spark plugs – BMW E39. Follow the installation steps.
  20. Step 20
    How to remove BMW 5 SERIES 525 tds 1999 Spark Plug - online easy-to-follow instructions
    Tighten the fasteners of the ignition coils. Use a drive socket #10. Use a ratchet wrench.
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DIY BMW 5 Saloon (E39) Spark Plug replacement - online guide
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