Remus OPF/GPF Replacement Race Midpipe for BMW M340i & M440i xDrive (G20 G21 G22/G2x) – Non‑Resonated Stainless Steel Centre/Center Section Mid Pipe | B58 3 Series & 4 Series Exhaust Upgrade | 085020 1000

OPF Race Mid-Section for G2x M340i and M440i xDrive by Remus

Unlock a richer, motorsport-inspired soundtrack and freer flow on your B58-powered 3 Series and 4 Series with this unsilenced OPF replacement centre section. Precision built from stainless steel with a shot blasted finish, this lightweight midpipe is engineered for reduced back pressure and a sharper, more involving tone on G20 saloon, G21 Touring and G22 coupe platforms. If you want a deeper note, improved throttle response and a premium fit, this is the upgrade enthusiasts ask for.

Why enthusiasts choose this race mid-section

• Non-resonated design for an aggressive, authentic straight-six sound
• Optimised gas flow for performance potential and enhanced response
• 100% stainless construction with shot blasted surface for durability and a high-end finish
• Handmade in Austria with outstanding build quality and precise fitment
• Lightweight centre section that complements further performance tuning
• 24-month Remus warranty for peace of mind

Our experience

We have fitted this OPF replacement mid-section on our own demonstrators and many customer cars at MJ Modifications, and the feedback is consistently excellent. Expect a deeper, crisper B58 soundtrack and a more engaging drive, especially when combined with the matching connection tube and rear silencer options.

Build your system

For a complete setup, pair this centre section with:

• Remus connection tube for G2x M340i and M440i xDrive
• Your choice of Remus rear racing silencer or Remus rear sport silencer

Together, these components create a cohesive performance exhaust solution for G20, G21 and G22 models.

Vehicle fitment

• 3 Series G20 and G21 M340i xDrive 2020+
• 4 Series G22 M440i xDrive 2021+

Part number

085020 1000

Fitting service

Professional installation available at MJ Modifications in Warwickshire. Request a fitting quote via info@mjmodifications.co.uk. We are happy to advise on the ideal combination for your goals, whether you want maximum volume or a refined daily setup.

Compatibility check

We verify fitment before dispatch. Simply provide your UK registration or the last 7 digits of your VIN at checkout and our team will confirm compatibility.

Notes

For track and off-road use where regulations permit. Sound characteristics vary with other exhaust components and driving mode selection.

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