H&R RSS Coilover - E46 M3/ M3 CABRIO 2001-06 (RSS1415-1)Product Description H&R Coil Overs Originator of true coil over suspension for the street Recognizing a demand for premium suspension components tuned for the streetwith race car features like adjustable loweringH&R engineers rose to the challenge. Received in the market with great success, H&R Coil Overs feature an innovative mono tube gas shock construction. Using premium quality materials, H&R engineers fine tune each coil over shock with a