The most popular spring in H&R's line-up for the new BMW F10 is the H&R Sport Spring. H&R Sport Springs
feature more control and are engineered for the street, making them
comfortable and fun to drive. H&R Sport Springs are crafted from a
special 54iCr6 spring steel to ensure quality and performance.
This air intake system produces 10 max horsepower and 10lbs. x ft. torque. Includes a durable 16 gauge, powder-coated heat shield; this air intake system...