Description
NGK Laser Iridium Spark Plug SILZKBR8D8S.
NGK Part Number #97506
Stock Gap : .031" (0.8mm)
Heat Range : 8
Socket Size : 14mm Bi-Hex
Standard Replacement Spark Plug for BMW N20 Engine.
1 Step Colder Spark Plug for BMW N55 Engine.
2 Steps Colder Spark Plug for BMW N54 Engine.