Transform the sound and response of your BMW M140i F20 and F21 LCI 2019 OPF model with the Milltek Sport Cat-back GPF-back Non-Resonated Race exhaust featuring Carbon Fibre Jet-90 tailpipe trims. Hand built in the UK from aerospace grade type 304 non-magnetic stainless steel, this Milltek M140i cat back exhaust delivers a sharper, sportier tone, improved gasflow and serious road presence while retaining the factory OPF/GPF.
Engineered for the BMW 1 Series M140i 3 door and 5 door F20 and F21 LCI with OPF from 2019, this non-resonated race system is the go-to upgrade for drivers who want the loudest Milltek GPF-back option with aggressive character and crisp turbo note. We have installed and run this exact system on customer cars and our feedback has been consistently excellent for sound quality, fit and finish.
Why choose this Milltek M140i exhaust
- Milltek Sport Cat-back GPF-back Non-Resonated Race for BMW M140i F20 and F21 LCI OPF models
- Carbon Fibre Jet-90 tailpipe trims for a premium motorsport look
- Aerospace grade type 304 stainless steel throughout pipework and silencers
- Mandrel bent tubing for constant radius bends and optimised gasflow
- Enlarged bore over stock to enhance performance without sacrificing mid-range torque
- Developed acoustically for a sporty, crisp tone without NVH, drone or cabin resonance
- Designed, developed and hand-finished in the UK by Milltek Sport
- Direct integration with factory mounting points and the original OPF/GPF unit
Sound and performance
The Non-Resonated Race configuration gives the BMW M140i a deeper idle, a harder-edged acceleration note and a sharper overrun character that suits the B58 engine perfectly. Expect improved throttle response and freer revving thanks to optimised gasflow and carefully selected bore sizing. The result is a true performance exhaust upgrade for daily driving, spirited road use and enthusiast builds.
Fitment and compatibility
- Vehicle: BMW M140i 3 door and 5 door
- Chassis: F20 and F21 LCI
- Model years: 2019 onward OPF models
- System type: Cat-back GPF-back Non-Resonated Race with Carbon Fibre Jet-90 trims
- OPF and GPF terminology: compatible with OPF and GPF equipped cars only
Built to last
Type 304 stainless steel is highly resistant to discolouration and corrosion, offering longevity that far exceeds OEM mild steel systems. Every weld, bend and bracket is produced to exacting standards to deliver consistent fitment and durability.
Installation and support
We recommend professional fitting for the best results. Nforcd offers in-house installation in Warwickshire and we know these cars inside out. To request a fitting quote or to discuss your BMW M140i exhaust options, email Sales@nforcd.com.
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