BMW G42 2 Series M240i xDrive Cat Back Exhaust System by Milltek Sport. Transform the sound and character of your B58-powered M240i with a precision-engineered cat-back exhaust that delivers serious performance sound, sharper response and a premium motorsport tone.
If you are searching for BMW M240i exhaust, BMW G42 cat back, M240i xDrive exhaust upgrade, Milltek Sport exhaust for M240i, or B58 performance exhaust, this Milltek cat-back is the go-to choice. Designed specifically for the 2021+ BMW 2 Series G42 M240i xDrive, it unlocks the voice your B58 should have, with optimised gas flow for improved breathing and an aggressive, refined exhaust note that enhances every drive.
Why choose the Milltek Sport Cat Back for your BMW M240i G42
- Direct-fit cat back exhaust for BMW G42 2 Series M240i xDrive 2021 onwards
- Optimised gas flow for performance-focused sound and response
- Deep, sporty B58 exhaust tone without unwanted drone
- Compatible with original equipment exhaust tips
- Optional tailpipe finishes, including Cerakote Black, for a stealth OEM-plus look
- Developed by Milltek Sport for precision fitment on the G42 chassis
Key specifications
- Pipe diameter: 3.00 inch (76.20 mm)
- Requires Vehicle Coding, Stage 2 ECU Software or an OPF/GPF Bypass Module for correct operation
- Intended for off-road use only
Fitment and compatibility
- BMW 2 Series M240i xDrive, G42, 2021+
- Designed for cars equipped with OPF/GPF; coding or an OPF Delete Module is required
Real-world results, proven by enthusiasts
We have installed and run this Milltek Sport M240i cat-back on customer cars and the feedback has been consistently excellent. Owners love the richer, more engaging soundtrack and the quality fitment. If you are after the best BMW M240i exhaust upgrade for daily driving, spirited road use or track days, this system delivers the perfect balance of sound, refinement and performance character.
Professional installation
For fitting and coding, we recommend booking with Nforcd in Warwickshire. Request a tailored quote at Sales@nforcd.com.
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