BMW M340i (2019-) G20 Valvetronic Exhaust System

Fi EXHAUST Valvetronic System for BMW G20 / G21 M340i B58 – Precision Engineering. Aggressive Sound.

Upgrade your BMW G20 / G21 M340i (B58) with the Fi EXHAUST Valvetronic System, a premium bolt-on performance exhaust built from high-grade T304 stainless steel. Designed for enthusiasts who demand performance, control, and acoustics, this system provides enhanced airflow, deeper tone, and a true dual-personality exhaust experience.

Controlled Performance. On-Demand Sound.

• Valvetronic Technology: Switch effortlessly between refined daily comfort and track-inspired roar using your OEM exhaust/sport button, drive mode, or the optional Fi EXHAUST Pro remote and mobile app.

• Performance Boost: The full catless system—including valvetronic catback and high-flow downpipe—delivers a 5–10% increase in horsepower and improved throttle response.

• Dual Sound Modes:

  • Valves Closed: Subtle and civilized for everyday driving.

  • Valves Open: Raw and exhilarating, enhancing the signature tone of the B58 inline-six.

Custom-Tuned for the M340i B58 Platform

Fi EXHAUST systems are built with individually designed muffler internals, engineered to enhance the natural acoustics and torque delivery of the B58 engine. Designed for both OPF and Non-OPF variants, this system ensures a perfect fit with OEM integration.

Catback Exhaust Options:

Non-OPF Version:

• Front Pipe + Mid Pipe + Valvetronic Muffler (EV Valve)
  Part No: BN-G2058-FP + BN-G2058-CBE + ACT-BN + CAB-BT2B

OPF Version:

• Front Pipe + Mid Pipe + Valvetronic Muffler (EV Valve)
  Part No: BN-G2058F-FP + BN-G2058-CBE + ACT-BN + CAB-BT2B

Downpipe Options:

Non-OPF Versions:

• Ultra High Flow Downpipe – BN-B58-NCAT

• Racing 100 Cell Downpipe – BN-B58-CAT100

• Sport 200 Cell Downpipe – BN-B58-CAT200

OPF Versions:

• Ultra High Flow Downpipe – BN-B58F-NCAT

• Racing 100 Cell Downpipe – BN-B58F-CAT100

• Sport 200 Cell Downpipe – BN-B58F-CAT200

Exhaust Tip Options (Quad Configuration):

• Silver – TIP-70101Q-S

• Titanium Blue – TIP-70101Q-TB

• Diamond Black – TIP-70101Q-B

• Gold – TIP-70101Q-G

• Carbon Fiber – TIP-70101Q-C

Optional: Fi EXHAUST Pro Remote System

• OBD2 Module + Mobile App Support
  Part No: R2020OBD + OBD-CAB-5BNE

Important Notes:

• All exhaust components are sold separately for flexible customization.

• Please confirm OPF or Non-OPF configuration before ordering.

• Product design may vary by model year and region.

• Images shown are for illustrative purposes only.

Why Choose Fi EXHAUST for Your M340i?

Fi EXHAUST combines cutting-edge valvetronic control, race-inspired acoustics, and OEM-quality fitment for the ultimate B58 experience. Whether you’re daily driving or unleashing the inline-six on the open road, this system adapts to your mood—without compromise.

Drive louder. Drive smarter. Drive Fi EXHAUST