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 Touring (E91) 320 i, BMW 3 Touring (E91) 318 i 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 – Spark Plug for 3 Touring (E91) and other BMW models
Tools
Replacement: spark plugs – BMW 3 Touring (E91). 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 3 Touring (E91). 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 3 Touring (E91). Use the following procedure:
  1. Step 1
    Open the hood.
    Step 2
    Use a fender protection cover to prevent damaging paintwork and plastic parts of the car.
    Step 3
    How to change Spark Plug on BMW E91 2004 - free PDF and video manuals
    Remove the clips of the plastic cowl grille. Use a flat screwdriver.
  2. Step 4
    How to replace BMW 3 Touring (E91) 320 d 2005 Spark Plug - step-by-step manuals and video guides
    Remove the wiper cowl grille located on the left side. Use a flat screwdriver.
  3. Step 5
    BMW E91 318d 2.0 2006 Spark Plug replacement: free workshop manuals
    Detach the electrical wiring from the upper part of the microfilter housing.
  4. Step 6
    Remove the clips of the plastic cowl grille. Use a flat screwdriver.
    Step 7
    Changing Spark Plug on BMW 3 Touring (E91) 325d 3.0 2007 by yourself
    Remove the wiper cowl grille located on the right side. Use a flat screwdriver.
  5. Step 8
    How to remove BMW 3 SERIES 330xd 3.0 2008 Spark Plug - online easy-to-follow instructions
    Unscrew the fasteners of the cowl grille. Use a drive socket #8. Use a ratchet wrench.
  6. Step 9
    Raise the wiper plastic cowl grille.
    Step 10
    How to replace Spark Plug on BMW 3 Touring (E91) 2009: download PDF manuals and video instructions
    Unscrew the fasteners of the cabin filter housing cover. Use a drive socket #8. Use a ratchet wrench.
  7. Step 11
    How hard is it to do yourself: Spark Plug replacement on BMW E91 320i 2.0 2010 - download illustrated guide
    Remove the cabin filter housing cover.
  8. Step 12
    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 clips of the plastic cowl grille.
  9. Step 13
    Changing of Spark Plug on BMW E91 2012 won't be an issue if you follow this illustrated step-by-step guide
    Raise up and remove the cowl grille.
  10. Step 14
    Unscrew the fasteners of the diagonal braces. Use a drive socket #E14. Use a ratchet wrench.
    Step 15
    BMW 3 SERIES 318d 2.0 Spark Plug replacement: online guides and video tutorials
    Take off the cover above the fastener that holds the diagonal braces. Use a flat screwdriver.
  11. Step 16
    Replacing Spark Plug on BMW E91 2005 320 d by yourself
    Unscrew the fasteners of the diagonal braces. Use a drive socket #E18. Use a ratchet wrench.
  12. Step 17
    Remove the fastening bolt.
    Step 18
    3 Touring (E91) 330xd 3.0 2006 Spark Plug DIY replacement workshop manual
    Remove the diagonal brace.
  13. Step 19
    Unscrew the oil filler plug.
    Step 20
    How to change Spark Plug on BMW 3 Touring (E91) 2007 - tips and tricks
    Remove the oil filler cap. Use a flat screwdriver.
  14. Step 21
    Step-by-step recommendations for DIY replacement BMW E91 2008 330xd 3.0 Spark Plug
    Remove the engine cover.
    AUTODOC recommends:
    Replacement: spark plugs – BMW 3 Touring (E91). Do not use excessive force when removing the part as this may damage it.
  15. Step 22
    Install the oil filler cap.
    Step 23
    DIY replacement of Spark Plug on BMW 3 Touring (E91) 320d 2.0 2009 is not an issue anymore with our step-by-step tutorial
    Unplug the connectors from the ignition coils. Use a flat screwdriver.
  16. Step 24
    How to change Spark Plug on BMW E91 2004 - free PDF and video manuals
    Take out the ignition coils from the spark plug wells. Use a flat screwdriver.
    Replacement: spark plugs – BMW 3 Touring (E91). Professionals recommend:
    Remember the sequence of steps for ignition coil demounting.
  17. Step 25
    Clean dirt, dust and debris from inside the spark plug wells.
    Step 26
    How to replace BMW 3 Touring (E91) 320 d 2005 Spark Plug - step-by-step manuals and video guides
    Unscrew the spark plugs. Use the spark plug socket #16. Use a ratchet wrench.
  18. Step 27
    BMW E91 318d 2.0 2006 Spark Plug replacement: free workshop manuals
    Take out the spark plugs. Use the spark plug socket #16.
  19. Step 28
    Changing Spark Plug on BMW 3 Touring (E91) 325d 3.0 2007 by yourself
    Apply a thin layer of a special high temperature anti-seize lubricant to the threads of the new spark plugs.
  20. Step 29
    How to remove BMW 3 SERIES 330xd 3.0 2008 Spark Plug - online easy-to-follow instructions
    Install the new spark plugs into their mounting seats. Use the spark plug socket #16.
  21. 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 3 Touring (E91). 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 to replace Spark Plug on BMW 3 Touring (E91) 2009: download PDF manuals and video instructions
    Treat the ignition coil connector with electronic spray. The spray will protect the electrical contacts from corrosion, oxidation, and will reduce the contact resistance.
  22. Step 32
    How hard is it to do yourself: Spark Plug replacement on BMW E91 320i 2.0 2010 - download illustrated guide
    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 3 Touring (E91). Professionals recommend:
    Follow the installation sequence.
  23. Step 33
    Need to know how to renew Spark Plug on BMW 3 SERIES 2011? This free workshop manual will help you to do it yourself
    Plug in the connectors of the ignition coils.
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DIY BMW 3 Touring (E91) Spark Plug replacement - online guide
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