When to replace the Spark Plug on your BMW 3 SERIES
Recommended replacement interval for the part category Spark plug : 18 month / 30000 km
Important!
This replacement procedure can be used for:
BMW 3 Saloon (E90) 320 i View more

The steps may slightly vary depending on the car design.

How to change spark plug on BMW 3 E90 TUTORIAL | AUTODOC

video
All the parts you need to replace – Spark Plug for 3 Saloon (E90) and other BMW models
Tools
Replacement: spark plugs – BMW E90. List of the tools you'll need:
Dielectric grease
High-temperature anti-seize lubricant
Drive socket # 8
Drive socket # E14
Drive socket # E18
Spark plug socket # 16
Ratchet wrench
Torque wrench
Flat Screwdriver
Fender cover
Replacement: spark plugs – BMW E90. Tip from AUTODOC:
  • The replacement procedure is the same for all spark plugs.
  • All work should be done with the engine stopped.
Replacement: spark plugs – BMW E90. Use the following procedure:
  1. Step 1
    How to change Spark Plug on BMW E90 2004 - free PDF and video manuals
    Open the hood.
  2. Step 2
    Use a fender protection cover to prevent damaging paintwork and plastic parts of the car.
    Step 3
    How to replace BMW 3 Saloon (E90) 320 d 2005 Spark Plug - step-by-step manuals and video guides
    Remove the clips of the plastic cowl grille. Use a flat screwdriver.
  3. Step 4
    BMW E90 320 i 2006 Spark Plug replacement: free workshop manuals
    Remove the wiper cowl grille located on the left side. Use a flat screwdriver.
  4. Step 5
    Changing Spark Plug on BMW 3 Saloon (E90) 318 i 2007 by yourself
    Detach the electrical wiring from the upper part of the microfilter housing.
  5. Step 6
    Remove the clips of the plastic cowl grille. Use a flat screwdriver.
    Step 7
    How to remove BMW 3 SERIES 325 i 2008 Spark Plug - online easy-to-follow instructions
    Remove the wiper cowl grille located on the right side. Use a flat screwdriver.
  6. Step 8
    How to replace Spark Plug on BMW 3 Saloon (E90) 2009: download PDF manuals and video instructions
    Unscrew the fasteners of the cowl grille. Use a drive socket #8. Use a ratchet wrench.
  7. Step 9
    Raise the wiper plastic cowl grille.
    Step 10
    How hard is it to do yourself: Spark Plug replacement on BMW E90 325d 3.0 2010 - download illustrated guide
    Unscrew the fasteners of the cabin filter housing cover. Use a drive socket #8. Use a ratchet wrench.
  8. Step 11
    Need to know how to renew Spark Plug on BMW 3 SERIES 2011? This free workshop manual will help you to do it yourself
    Remove the cabin filter housing cover.
  9. Step 12
    Changing of Spark Plug on BMW E90 2004 won't be an issue if you follow this illustrated step-by-step guide
    Remove the clips of the plastic cowl grille.
  10. Step 13
    BMW 3 SERIES 320 i Spark Plug replacement: online guides and video tutorials
    Raise up and remove the cowl grille.
  11. Step 14
    Unscrew the fasteners of the diagonal braces. Use a drive socket #E14. Use a ratchet wrench.
    Step 15
    Replacing Spark Plug on BMW E90 2006 320 d by yourself
    Take off the cover above the fastener that holds the diagonal braces. Use a flat screwdriver.
  12. Step 16
    3 Saloon (E90) 325 i 2007 Spark Plug DIY replacement workshop manual
    Unscrew the fasteners of the diagonal braces. Use a drive socket #E18. Use a ratchet wrench.
  13. Step 17
    Remove the fastening bolt.
    Step 18
    How to change Spark Plug on BMW 3 Saloon (E90) 2008 - tips and tricks
    Remove the diagonal brace.
  14. Step 19
    Unscrew the oil filler plug.
    Step 20
    Step-by-step recommendations for DIY replacement BMW E90 2009 325 i Spark Plug
    Remove the oil filler cap. Use a flat screwdriver.
  15. Step 21
    DIY replacement of Spark Plug on BMW 3 Saloon (E90) 318d 2.0 2010 is not an issue anymore with our step-by-step tutorial
    Remove the engine cover.
    AUTODOC recommends:
    Replacement: spark plugs – BMW E90. Do not use excessive force when removing the part as this may damage it.
  16. Step 22
    Install the oil filler cap.
    Step 23
    How to change Spark Plug on BMW E90 2004 - free PDF and video manuals
    Unplug the connectors from the ignition coils. Use a flat screwdriver.
  17. Step 24
    How to replace BMW 3 Saloon (E90) 320 d 2005 Spark Plug - step-by-step manuals and video guides
    Take out the ignition coils from the spark plug wells. Use a flat screwdriver.
    Replacement: spark plugs – BMW E90. Professionals recommend:
    Remember the sequence of steps for ignition coil demounting.
  18. Step 25
    Clean dirt, dust and debris from inside the spark plug wells.
    Step 26
    BMW E90 320 i 2006 Spark Plug replacement: free workshop manuals
    Unscrew the spark plugs. Use the spark plug socket #16. Use a ratchet wrench.
  19. Step 27
    Changing Spark Plug on BMW 3 Saloon (E90) 318 i 2007 by yourself
    Take out the spark plugs. Use the spark plug socket #16.
  20. Step 28
    How to remove BMW 3 SERIES 325 i 2008 Spark Plug - online easy-to-follow instructions
    Apply a thin layer of a special high temperature anti-seize lubricant to the threads of the new spark plugs.
  21. Step 29
    How to replace Spark Plug on BMW 3 Saloon (E90) 2009: download PDF manuals and video instructions
    Install the new spark plugs into their mounting seats. Use the spark plug socket #16.
  22. Step 30
    Screw new spark plugs and tighten them. Use the spark plug socket #16. Use a torque wrench. Tighten it to 27 nm torque.
    Replacement: spark plugs – BMW E90. AUTODOC experts recommend:
    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.
    Step 31
    How hard is it to do yourself: Spark Plug replacement on BMW E90 325d 3.0 2010 - download illustrated guide
    Treat the ignition coil connector with electronic spray. The spray will protect the electrical contacts from corrosion, oxidation, and will reduce the contact resistance.
  23. Step 32
    Need to know how to renew Spark Plug on BMW 3 SERIES 2011? This free workshop manual will help you to do it yourself
    Install the ignition coils to the spark plug wells. Make sure you hear a click indicating that it is locked in place.
    Replacement: spark plugs – BMW E90. Professionals recommend:
    Follow the installation sequence.
  24. Step 33
    Changing of Spark Plug on BMW E90 2004 won't be an issue if you follow this illustrated step-by-step guide
    Plug in the connectors of the ignition coils.
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DIY BMW 3 Saloon (E90) Spark Plug replacement - online guide
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