BMW N55 Spark Plugs - 1-Step Colder

BMW N55 Spark Plugs - 1-Step Colder

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$129.00
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$129.00
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Set of Six (6)

1-Step Colder BMW N55 Spark Plugs

NGK SILZKBR8D8S (97506)

Recommended for modified N55 engines. OEM plugs will suffice for a modest tune and a few bolt-ons, however, these 1-step colder spark plugs are highly recommended for any FBO N55 engines.

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BMW N55 1-Step Colder Spark Plugs

Colder spark plugs are more efficient at transferring heat away from the tip of the spark plug. BMW N55 motors running above stock boost levels will create additional heat. Dispersing heat from the tip of the spark plug will help prevent misfires on modified N55's. 

We recommend replacing the one-step colder N55 spark plugs every 15,000-25,000 miles depending upon horsepower and use. Typically engines that are highly modified and driven hard will require replacement as early as every 15,000 miles, or sooner. Less modded or gently driven modified N55's may help the spark plugs exceed 25,000 miles.