Fall-Line Motorsports E9X M3 / E82 1M Billet Aluminum Rear Trailing Arm Set RS6 (C8) This is especially true for

This is especially true for the G8x and F8x cars

adding Wireless Apple CarPlay and Android Auto while preserving full OEM functionality

Additional 55hp on a stock vehicle

The perfect suspension setup for more driving pleasure

Fall-Line Motorsports E9X M3 / E82 1M Billet Aluminum Rear Trailing Arm Set RS6 (C8) This is especially true forBest 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