BMW X3 M40i (2020-) G01 Valvetronic Exhaust System

Fi EXHAUST Valvetronic System for BMW G01 X3 / G02 X4 M40i – Luxury Meets Performance Acoustics

Elevate the presence and performance of your BMW G01 X3 or G02 X4 M40i with the Fi EXHAUST Valvetronic System. This precision-crafted, bolt-on system is made from premium T304 stainless steel and is engineered to bring out the true spirit of your performance SUV—with bold sound, improved airflow, and measurable power gains.

Cutting-Edge Valvetronic Technology

• Dynamic Sound Control: Effortlessly switch between a quiet, comfortable tone and a deep, aggressive roar using your factory exhaust/sport button, drive mode selector, or optional Fi EXHAUST Pro remote and app.

• Performance Increase: Achieve a 5–10% boost in horsepower when installing the complete catless system, including the valvetronic catback and ultra high-flow downpipe.

• Dual-Mode Exhaust:

  • Valves Closed: Refined and subdued for relaxed daily driving.

  • Valves Open: Bold and thrilling, delivering the unmistakable Fi EXHAUST tone.

Built for the B58 Platform

Engineered with bespoke muffler internals, this system is tailored specifically for the B58-powered G01 X3 and G02 X4 M40i. The result is a perfect balance of optimized backpressure, enhanced torque, and a signature sound profile tuned for the M Performance DNA.

Catback System Includes:

• Front Pipe

• Mid Pipe

• Valvetronic Muffler with EV Valve

• Quad Silver Tips

• EV Extend Cable
  Part No: BN-G02B58-CBE + TIP-70101Q-S + ACT-BN + CAB-BT2B*1

Optional Upgrades:

Downpipes (Non-OPF Version):

• Ultra High Flow DownPipe – BN-B58-NCAT

• Racing 100 Cell DownPipe – BN-B58-CAT100

• Sport 200 Cell DownPipe – BN-B58-CAT200

Tip Options:

• Titanium Blue – TIP-70101Q-TB

• Diamond Black – TIP-70101Q-B

• Gold Finish – TIP-70101Q-G

• Carbon Fiber Finish – TIP-70101Q-C

Fi EXHAUST Pro Remote Control System:

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

Important Notes:

• Exhaust components are sold separately for flexible configuration.

• Compatible with both OPF and Non-OPF vehicle versions—verify before ordering.

• Appearance and fitment may vary based on model year and regional specification.

• Product images are for illustration only and may not reflect final design.

• Exhaust system designs may be updated over time.

Why Fi EXHAUST for Your X3/X4 M40i?

Fi EXHAUST is globally trusted for its innovative valvetronic systems, craftsmanship, and aggressive sound profiles. Whether you want subtle control or sporty flair, this system gives your X3 or X4 M40i a new voice—on command.

Experience the balance of luxury, power, and intelligent sound. Fi EXHAUST – built for the bold