Milltek GPF-back, BMW M135i xDrive F40 (2019–2026)
This Milltek GPF-back updates the exhaust note of the BMW M135i xDrive F40. It replaces the exhaust after the particulate filter, 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.
- Retains the original GPF/OPF on filter-equipped vehicles.
- E-mark-approved exhaust system.
The dual outlets require the matching Maxton rear diffuser. The diffuser is not included in this kit.
Shared exhaust components
| Component | Part number |
|---|---|
| Adaptor for OE GPF | MSBM326 |
| Connecting Pipe | MSBM327 |
| Rear Silencer Assembly | MSBM328 |
| Lh Valved Outlet Pipe (Quad Outlet System) | MSBM390 |
| RH Outlet Pipe (Quad Outlet System) | MSBM391 |
| Y Pipe (Quad Outlet System) | MSBM392 |
| Tailpipes and associated parts | According to selection |
Fitment
BMW 1 Series M135i xDrive 5 Door (F40 OPF/GPF Equipped) (2019–2026)
Suomi



