BMW N54 N55 2-Step Colder Spark Plugs

N54 2-Step Colder Spark Plugs

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2-Step Colder Spark Plugs for BMW N54 


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2-Step Colder Spark Plugs for BMW N54 Engines

  • Copper tipped core with iridium coating for low wear and great conductivity
  • 2-step colder heat range for high performance and tracked N54's

NGK and Bosch offer 2-step colder spark plugs for the BMW N54 engine. These colder spark plugs are recommended for N54's who are running upgraded turbos or meth injection. Additionally, they may be used for lower horsepower applications if the car is tracked, or driven aggressively for extensive periods of time. The 2-step colder plugs will likely need to be changed every 15,000 miles, on heavily modified cars, or sooner if the engine is experiencing rough idling, longer starts, or misfiring.

Why Opt for 2-Step Colder Plugs?

It should be noted - running colder spark plugs will not necessarily increase power (although it may restore power if the current plugs are old). These spark plugs are not recommended for lower horsepower/boost applications as the spark plug will not retain enough heat to burn carbon deposits, thereby significantly reducing the life and effectiveness of the plugs. If your BMW N54 or N55 is heavily modified, especially if it is driven hard for extended periods, the 2-step colder spark plugs are the best option. These spark plugs are more efficient at transferring heat and reducing the likelihood of engine knocks or pre-detonation, which becomes a concern at higher boost and horsepower levels.

NOTE: These spark plugs need to be individually gapped to 0.020" (0.508mm) using a spark plug gapping tool. Additionally, these are the OEM plugs for the N20 and N26 turbocharged four-cylinder engines.