BC Racing Coilovers - RM Series Coilovers for BMW Z3 '96-'02 (I-10-RM)The BC Racing RM series feature high quality damping adjustable mono tube inverted dampers at the front or front and rear, depending on vehicle. The RM coilovers offer the majority of the features of the BR series but with the additional benefit of the inverted damper unit. Inverting the damper unit brings with it a number of advantages. REDUCED HEAT TRANSFER TO THE GAS AND OIL RESERVOIR Any hard driven car with generate a lot of heat within its