How to carry out replacement: Spark Plug 3.0 i BMW Z4 E85
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Change BMW Z4 E85 2.5 i Spark Plug yourself – manuals and video tutorials

How to change spark plugs on BMW Z4 Roadster (E85) – replacement guide

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When to replace the Spark Plug on your BMW Z4
Recommended replacement interval for the part category Spark plug : 18 month / 30000 km
Important!
This replacement procedure can be used for:
BMW Z4 Roadster (E85) 3.0 i, BMW Z4 Roadster (E85) 2.5 i, BMW Z4 Roadster (E85) 2.2 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 Z4 Roadster (E85) and other BMW models
How to change Spark plug on BMW Z4 E85 3.0 i – step-by-step instructions for straightforward car repair Spark plug
How to change Spark plug on BMW Z4 Roadster (E85) 3.0 i – tips for proper car maintenance
Spark plug for BMW Z4 Roadster (E85) 3.0 i Petrol (231 hp)
Simple DIY car repair steps – Replacing Spark plug on BMW Z4 Roadster (E85) 2.5 i
Spark plug for BMW Z4 Roadster (E85) 2.5 i Petrol (192 hp)
Easy tricks to help you to replace Spark plug on BMW Z4 Roadster (E85) 2.2 i
Spark plug for BMW Z4 Roadster (E85) 2.2 i Petrol (170 hp)
Tools
Replacement: spark plugs – BMW Z4 (E85). Tools you might need:
Electronic spray
High-temperature anti-seize lubricant
Torque wrench
Drive socket # 10
Spark plug socket # 16
Ratchet wrench
Flat screwdriver
Crow bar
Fender cover
Buy tools
Replacement: spark plugs – BMW Z4 (E85). AUTODOC experts recommend:
  • The replacement procedure is the same for all spark plugs.
  • Please note: all work on the car – BMW Z4 (E85) – should be done with the engine switched off.
Carry out replacement in the following order:
  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 Z4 E85 2003 - free PDF and video manuals
    Unscrew the engine cover fastener. Use a drive socket #10. Use a ratchet wrench.
  2. Step 4
    How to replace BMW Z4 Roadster (E85) 3.0 i 2004 Spark Plug - step-by-step manuals and video guides
    Remove the engine cover.
    AUTODOC recommends:
    Replacement: spark plugs – BMW Z4 (E85). To avoid damaging the part when removing it, do not use excessive force.
  3. Step 5
    BMW Z4 E85 2.5 i 2005 Spark Plug replacement: free workshop manuals
    Unscrew the engine cover fastener. Use a drive socket #10. Use a ratchet wrench. Use a flat screwdriver.
  4. Step 6
    Unscrew the oil filler plug.
    Step 7
    Changing Spark Plug on BMW Z4 Roadster (E85) 2.0 i 2006 by yourself
    Remove the oil filler cap.
  5. Step 8
    How to remove BMW Z4 3.0 si 2007 Spark Plug - online easy-to-follow instructions
    Remove the engine cover.
    AUTODOC recommends:
    Replacement: spark plugs – BMW Z4 (E85). Do not use excessive force when removing the part as this may damage it.
  6. Step 9
    Install the oil filler cap.
    Step 10
    How to replace Spark Plug on BMW Z4 Roadster (E85) 2008: download PDF manuals and video instructions
    Tighten the oil filler cap.
  7. Step 11
    How hard is it to do yourself: Spark Plug replacement on BMW Z4 E85 2.5 si 2009 - download illustrated guide
    Unplug the connectors from the ignition coils. Use a crowbar.
  8. Step 12
    Need to know how to renew Spark Plug on BMW Z4 2003? This free workshop manual will help you to do it yourself
    Unscrew the fasteners of the ignition coils. Use a drive socket #10. Use a ratchet wrench.
  9. Step 13
    Changing of Spark Plug on BMW Z4 E85 2004 won't be an issue if you follow this illustrated step-by-step guide
    Take out the ignition coils from the spark plug wells.
    Replacement: spark plugs – BMW Z4 (E85). Tip from AUTODOC experts:
    Remember the sequence of steps for ignition coil demounting.
  10. Step 14
    BMW Z4 2.5 i Spark Plug replacement: online guides and video tutorials
    Clean dirt, dust and debris from inside the spark plug wells.
  11. Step 15
    Replacing Spark Plug on BMW Z4 E85 2006 3.0 i by yourself
    Unscrew the spark plugs. Use the spark plug socket #16. Use a ratchet wrench.
  12. Step 16
    Z4 Roadster (E85) 3.0 si 2007 Spark Plug DIY replacement workshop manual
    Take out the spark plugs.
  13. Step 17
    How to change Spark Plug on BMW Z4 Roadster (E85) 2008 - tips and tricks
    Apply a thin layer of a special high temperature anti-seize lubricant to the threads of the new spark plugs.
  14. Step 18
    Step-by-step recommendations for DIY replacement BMW Z4 E85 2009 3.0 si Spark Plug
    Install the new spark plugs into their mounting seats. Use the spark plug socket #16.
  15. Step 19
    DIY replacement of Spark Plug on BMW Z4 Roadster (E85) 2.2 i 2003 is not an issue anymore with our step-by-step tutorial
    Screw new spark plugs and tighten them. Use the spark plug socket #16. Use a torque wrench. Tighten it to 24 nm torque.
    Replacement: spark plugs – BMW Z4 (E85). AUTODOC recommends:
    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.
  16. Step 20
    How to change Spark Plug on BMW Z4 E85 2003 - free PDF and video manuals
    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 Z4 (E85). AUTODOC experts recommend:
    Follow the installation sequence.
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