Overview
The B58 in the M240i and M140i is held back by two factory resonators that smother its note. This Milltek 80mm mid-pipe replaces both with straight mandrel-bent T304L stainless, sharpening the six-cylinder sound and freeing up flow while keeping the factory rear silencer in place.
Details
Milltek 80mm Resonator Bypass for the BMW M240i and M140i (F2X), Fits OE Rear Silencer
Key Features
- Double Resonator Delete: removes both factory resonators for a sharper, louder note.
- Improved Flow: 3.15in (80.00mm) mandrel-bent T304L stainless front pipe and axle pipe.
- Fits the OE Rear Silencer: supplied with the correct adapter.
- Installation: the OE system must be cut to fit.
Technical Specifications
- Pipe Diameter: 3.15in (80.00mm)
- Material: T304L Stainless Steel
- System: Resonator Bypass Mid-Pipe
- Fits: factory rear silencer
- Fitting Time: 2.00 to 3.00 hours, including removing the OE system
Compatibility
- 2015 to 2020 BMW M240i Coupe (F22 LCI), non xDrive
- 2015 to 2020 BMW M140i 3 and 5 Door (F20/F21 LCI)
Why Choose Milltek?
Engineered for the Emotion.
Designed and manufactured in the UK with 40+ years of performance exhaust heritage. Nurburgring tested.