Fall-Line Motorsports E9X M3 / E82 1M Billet Aluminum Rear Trailing Arm Set aerobackend Original tube Ø 80 mm

Original tube Ø 80 mm

Each inlet system consists of:

Dimensions OEM side mounted radiator:

1) The larger inlet tube volume alows the turbos to work with less drag

The F40 M135i | 128Ti| F44 M235i Eventuri intake system was developed through extensive real world testing and airflow simulation analysis

Fall-Line Motorsports E9X M3 / E82 1M Billet Aluminum Rear Trailing Arm Set aerobackend Original tube Ø 80 mmBest 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