BC Racing BR Series (RN) Coilovers – Fiat 500 / Abarth 500 (EURO) (2007+) – 4/5 kg/mmBC Racing BR Series (RN) Coilovers Fiat 500 Abarth 500 (EURO) (2007+) 4 5 kg mm The BC Racing BR Series RN coilovers for the Fiat 500 and Abarth 500 (2007+) offer a refined suspension upgrade designed to improve stability, handling response and overall chassis balance. With 4 5 kg mm spring rates, this kit provides an ideal blend of daily comfort and fast road performance perfect for the lightweight 500 Abarth platform. The RN specification features a