NGK SILZKBR8D8S 97506 Laser Iridium Spark Plug F8X M2 M3 M4 Turbosmart On cars that are lowered

On cars that are lowered significantly

"At GrimmSpeed

GVR4 and 4G63 Evo models

This part number is also compatible with some Honda/Acura applications

These discs are approximately half the thickness of a stock disc and are recommended for circuit track use only

NGK SILZKBR8D8S 97506 Laser Iridium Spark Plug F8X M2 M3 M4 Turbosmart On cars that are loweredNGK SILZKBR8D8S Laser Iridium spark plugs are "one step colder" than stock for the F8X M2 M3 M4 N55 S55 engines. Sold individually, price is for one plug please adjust quantity as needed. Vehicle Fitment: 2015 2018 BMW M3 F80 S55 2015 2020 BMW M4 F82 F83 S55 2019 2021 BMW M2 F87 Competition S55 2016 2018 BMW M2 F87 N55 Required for Install: You'll need a Thin Walled 14mm 12 Point Tool Spark Plug Socket Tool for the N55 S55 engines. Part Number: