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NGK Laser Iridium replacement plugs for BMW N55, S55, N63, and S63 engines. They are one step colder than N55 plugs and factory S55 plugs and suggested for higher boost E85, water/meth injection, and/or upgraded turbocharger applications across all late model turbo BMW models.
We suggest setting the gap down to 0.020", or 0.022” if running a stage 2 map on the N55 engine.
These spark plugs are for the following BMW engines;
NGK's OE legacy, unsurpassed quality and leading vehicles in operation coverage reinforcecs NGK as The Ignition Specialist. With over 80 years of automotive expertise NGK has built a reputation for quality and reliability; manufacturing spark plugs for vitually every automotive, motorcycle, marine and small engine application. We are committed to be the premier partner with our customers, while maintaining original equipment standards for the highest durability and operational performance.
NGK Laser Iridium spark plugs offer the best combination of performance and longevity. Actual OE or equivalent replacement spark plub. Laser Iridium plugs are tested to the highest standards to ensure quality and durability. Iridium tipped center electrode provides durability six times harder than platinum. NGK's high-grade pure alumina ceramic and 98% pure copper core prevents the spark plug from overheating while providing reliable starts.