Milltek GPF/OPF Bypass (F90 M5)
£1,859.66
Milltek’s OPF/GPF Delete Exhaust Centre Section removes the restrictive particulate filters and centre resonator to truly unleash the M5’s V8 tone and performance.
This exhaust centre section includes a central valve which piggbacks onto the original exhaust valve control for further improvements in both refinement and tone.
Fits to the OE Downpipes and OE OPF/GPF Back System. – For Vehicles with Flange Connection to OE Downpipes – Requires Stage 2 ECU Remap or OPF/GPF Bypass Module.
- Description
- Additional information
Description
Milltek GPF/OPF Bypass for F90 M5 LCI.
Parts
- F5158 x2: Adapter to OE System
- MSBM371: Active Centre Section
- MSBM402: LH OPF Bypass
- MSBM403: RH OPF Bypass
Key facts
- Pipe Ø: 3.15″ (80.00mm)
- Fitting takes from 3.00 to 3.50 hours
Additional information
| Weight | 18 kg |
|---|---|
| Dimensions | 130 × 40 × 30 cm |





