H&R Springs Sport Spring Kit (F30 & F32 xDrive Excluding Gran Coupe and Convertible) C63 AMG Options are also available if

Options are also available if your G8x M3/M4 does not have the ACC driving sensor in the front

Connect one contact to chassis ground

or highly modified engines

Fog Edition includes: tow hook cover

For none M cars some modifications may be necessary

H&R Springs Sport Spring Kit (F30 & F32 xDrive Excluding Gran Coupe and Convertible) C63 AMG Options are also available ifEvery spring produced by H&R comes from the H&R ISO 9001 certified engineering and manufacturing facility in Germany. All H&R springs are produced from a special 54SiCr6 spring steel, which has strength rated at 290,000 psi resulting in unrivaled tensile strength and resiliency. H&R Sport Springs offer the handling characteristics and aggressive appearance that youve been looking for, without the harsh ride characteristics of less advanced spring