Fall-Line Motorsports E9X M3 / E82 1M Billet Aluminum Rear Trailing Arm Set aerobackend changing this could result in

changing this could result in a loss of performance so we kept the same volume to not upset the way the car drives in terms of power delivery

Each inlet system consists of:

Original tube Ø 80 mm

OEM ~875ml)

Unlike most collector’s cars

Fall-Line Motorsports E9X M3 / E82 1M Billet Aluminum Rear Trailing Arm Set aerobackend changing this could result inBest of the best. Fall Line Motorsports has taken everything they've learned in manufacturing over the last decade to create an ultra high end interpretation of the E9X E82 1M tension trailing arm. Fall Line's bespoke version discards the deformation prone stamped steel arm in favor of 5 axis CNC machined, billet aluminum. This pair has been gorgeously crafted and pocketed (to save weight without compromise to rigidity) and is hard coat black anodized