Milltek cat-back, BMW M340i G20 / M440i G22 (2021–2025)
This Milltek cat-back updates the exhaust note of the BMW M340i G20 / M440i G22. It replaces the exhaust after the catalyst, with the exact kit contents listed below.
- Pipe diameter: 76.2 mm.
- Made from 304L stainless steel.
- Tailpipes and associated parts supplied according to your selection.
Shared exhaust components
| Component | Part number |
|---|---|
| LH Axle Pipe | MSBM336 |
| RH Axle Pipe | MSBM337 |
| Rear Silencer Assembly | MSBM338 |
| LH Outlet Pipe to Milltek Trims | MSBM341 |
| RH Valved Outlet Pipe to Milltek Trims | MSBM342 |
| GPF/OPF Bypass Section | MSBM344 |
| GPF/OPF Bypass LH Section | MSBM345 |
| GPF/OPF Bypass RH Section | MSBM346 |
| Front Connecting Pipe (Slip Joint) | MSBM409 |
| Tailpipes and associated parts | According to selection |
Fitment
BMW 3 Series G20 M340i Sedan inc Xdrive (North American / ROW Models Only), pre-LCI (2021–2025)
BMW 4 Series G22 M440i Coupe (NAS/ROW Vehicles Only), pre-LCI (2021–2025)
Suomi

