Border Racing Coilover for BMW M4 5-bolts - F82 - 2014- 5 Series Sedan 8cyl The quintessential circuit suspension system

The quintessential circuit suspension system

the SP series is a solid circuit performer

• designed for racing use

the P1 series absorbs bumps and uneven roads

Border Racing Coilover for BMW M4 5-bolts - F82 - 2014- 5 Series Sedan 8cyl The quintessential circuit suspension systemS1 Street Series Well balanced for premium street performance and ultimate driveabilty. The perfect choice for vehicles that spend their time prowling the streets. 32 way adjustable dampening to dial in the perfect setup reinforced rubber top mount for optimal stability and shock absorption highest specification SAE9254 material spring with 6061 aluminum body for performace and weather resistance height adjustable from 60mm to 100mm below stock height