K&N Oil Filter Replacement F8X M3/M4 Concave Profile: available at an

Concave Profile: available at an additional cost

Set includes two front lowering springs

the largest wheel spacer and adapter program in the industry

Featuring H&R's exclusive dynamic damper technology

K&N Oil Filter Replacement F8X M3/M4 Concave Profile: available at anHigh flow filter designed to improve performance Designed for synthetic, conventional and blended oils Premium filtration media for increased capacity Provides outstanding filtration and traps 99% of harmful contaminants K&N Pro Series Cartridge Oil Filters are constructed with a high flow design that helps to improve engine performance by reducing oil filter restriction. K&N Pro Series oil filters provide outstanding filtration and engine protection