AST Lowering Springs For BMW 5 520i/523i/525i/528i/530i/520D 07/2003-03/2010, Front 30 , Rear 30 X3M (F97) BRAKING Their semi-race compound balances powerful

Their semi-race compound balances powerful stopping performance with street usability

BMW 4 Series (F32/F33/F36) 440i – 2016+

Supplied as an unpainted OEM component

Their progressive coil design ensures a smooth transition in suspension stiffness

BMW 3 Series 316i

AST Lowering Springs For BMW 5 520i/523i/525i/528i/530i/520D 07/2003-03/2010, Front 30 , Rear 30 X3M (F97) BRAKING Their semi-race compound balances powerfulThe AST Lowering Springs are expertly engineered to enhance your BMW 5 Series driving experience by lowering the vehicles center of gravity without compromising the comfort and handling characteristics you expect from OEM springs. Manufactured using advanced cold coiling technology on the renowned Wafios coiling machines, these springs ensure superior precision and durability for long lasting performance. Designed specifically for BMW 5 520i 523i 525i