MAD X3 X4 M40 Catback Exhaust B58 G01 G02 2-Point The Kies Carbon M3 /

The Kies Carbon M3 / M4 Varis style carbon fiber rear diffuser undertray fits beautifully onto the F80 generation M3 super sedan

and handling with MAD G Chassis Wheel Spacers

In order to accomodate existing modifications we created a breakout harness to allow people who are already running bluetooth ethanol content analyzers to continue doing so in parallel

For questions and help reach out to us at info@KIES

2015 BMW 428i M Sport 2

MAD X3 X4 M40 Catback Exhaust B58 G01 G02 2-Point The Kies Carbon M3 /Unleash the full potential of your BMW X3 M40i (G01) or X4 M40i (G02) with the MAD Catback Exhaust System. Designed for vehicles equipped with the B58 engine, this exhaust system delivers a remarkable balance of deep sound, performance improvements, and aesthetic appeal. Experience a dynamic exhaust note, free from drone or rattle, while boosting your vehicle's overall performance. Elevate Your Driving Experience The MAD Catback Exhaust transforms