Dinan S2 hardware, RB Stage 2 turbochargers, an MHD ECU tune, and extensive chassis work including TC Kline adjustable coilovers, E9X M3 control arms, and a Wavetrac limited-slip differential. The RB turbos were installed in March 2021 and have 13,500 miles; recent service includes a water pump in 2025, an oil pan gasket and oil change in May 2025, and a valve cover gasket in 2022. The front bumper was replaced, while the hood and fenders were repainted in 2025, and the aftermarket parts currently trigger TPMS, brake wear, and headlight range control warnings.