Recommended replacement interval for the part category Spark Plug : 18 month / 30000 km
Important!
This replacement procedure can be used for:
BMW 3 Saloon (E46) 318 i, BMW 3 Coupe (E46) 318 Ci, BMW 3 Touring (E46) 318 i, BMW 3 Convertible (E46) 318 Ci, BMW 3 Compact (E46) 318 ti

The steps may slightly vary depending on the car design.

How to change spark plug on BMW 3 (E46) [TUTORIAL AUTODOC]

video
Tools
Replacement: spark plugs – BMW E46 convertible. Tools you might need:
Electronic spray
High-temperature anti-seize lubricant
Torx bit T20
Spark plug socket # 16
Ratchet wrench
Torque wrench
Telescoping magnet
Crow bar
Fender cover
All the parts you need to replace – Spark Plug for 3 Convertible (E46) and other BMW models
How to change Spark Plug on BMW 3 Convertible (E46) 330Ci 3.0 – step-by-step instructions for straightforward car repair
Spark Plug
How to change Spark Plug on BMW 3 Compact (E46) 318 ti – tips for proper car maintenance
BMW 3 Compact (E46) 318 ti
Simple DIY car repair steps – Replacing Spark Plug on BMW 3 Saloon (E46) 318 i
BMW 3 Saloon (E46) 318 i
Easy tricks to help you to replace Spark Plug on BMW 3 Coupe (E46) 318 Ci
BMW 3 Coupe (E46) 318 Ci
Spark Plug removal & installation, incredibly easy steps for BMW 3 Touring (E46) 318 i
BMW 3 Touring (E46) 318 i
Changing Spark Plug on BMW 3 Convertible (E46) 318 Ci – tips for first time repair
BMW 3 Convertible (E46) 318 Ci
Replacement: spark plugs – BMW E46 convertible. Professionals recommend:
  • The replacement procedure is the same for all spark plugs.
  • Warning! Shut down the engine before starting any work – BMW E46 convertible.
Carry out replacement in the following order:
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DIY BMW 3 Convertible (E46) Spark Plug replacement - online guide
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