Milltek Active Sound Control OPF/GPF Back Exhaust with JET-115 Carbon Trims for BMW M135i xDrive F40 2019 on
Upgrade the sound and style of your BMW M135i xDrive F40 with the Milltek OPF/GPF Back Exhaust System with Active Sound Control and JET-115 carbon fibre tailpipe trims. This performance exhaust is engineered in the UK from aerospace grade type 304 stainless steel, mandrel bent for optimised gas flow, and acoustically developed to deliver a deeper, sportier exhaust note without unwanted drone or cabin resonance. It is the go to M135i exhaust upgrade for owners who want premium build quality, a purposeful soundtrack and stunning carbon tips.
Why choose this Milltek exhaust for your BMW M135i xDrive F40
- Designed specifically for BMW M135i xDrive 5 door F40 2019 on with OPF or GPF
- OPF/GPF back system retains factory emissions hardware while unlocking a richer, more engaging tone
- Active Sound Control for switchable, adjustable volume to suit every drive
- JET-115 carbon fibre tailpipe trims for a motorsport inspired rear end look
- Premium type 304 stainless steel throughout for long lasting corrosion resistance
- Mandrel bent pipework for consistent diameter and smooth, efficient flow
- Sporty and crisp sound profile developed to avoid NVH, drone and cabin boom
- Precision engineered in the UK by Milltek’s time served craftsmen
Fitment and compatibility
Compatible with BMW M135i xDrive 5 door F40 models equipped with OPF/GPF from 2019 onwards, including 2019, 2020, 2021, 2022, 2023 and 2024 model years. OPF/GPF back layout means the original OPF/GPF and catalytic converters remain in place.
What you get
- Milltek OPF/GPF Back Exhaust System for BMW M135i xDrive F40
- Active Sound Control functionality
- JET-115 carbon fibre tailpipe trims
- All required hardware supplied by Milltek for installation
The Nforcd verdict
We have fitted and run this Milltek M135i F40 exhaust on customer cars and it delivers exactly what M135i owners want. A deeper, more characterful exhaust note in Sport, a refined tone in Comfort, superb fit and finish, and those aggressive 115 mm carbon tips that transform the rear of the car. Customers consistently praise the no drone cruising and the quality feel.
Fitting and support
Professional installation recommended. Nforcd offers fitting at our Warwickshire workshop. Request a quote via Sales@nforcd.com.
SEO and search terms customers use
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