Milltek Sport BMW M5/M5 Competition OPF Back Exhaust System (F90) M135I PRE-LCI (F20 & F21) BRAKING Experience the perfect blend of

Experience the perfect blend of luxury

Enhanced Driving Dynamics: Improved grip and ergonomics give you better control

HEL uses fully stainless steel fittings to prevent corrosion and ensure long-term reliability

the dAHLer Exhaust Flap/Valve Control Module is not lost or overwritten- Operates as minimally in the vehicle as necessary- Does not trigger error message

Milltek Sport BMW M5/M5 Competition OPF Back Exhaust System (F90) M135I PRE-LCI (F20 & F21) BRAKING Experience the perfect blend ofMilltek BMW F90 M5 OPF GPF Back Exhaust System drastically improves the sound of the M5's 4. 4l twin turbo V8 without compromising on emissions by retaining the factory OPF. The full system runs from the OPF filters to the tips. The Milltek system is therefore far more free flowing for improved performance and increased tuning potential. The Milltek Catback System retains the OEM valve functionality, making it great to live with on a daily basis.