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Editor's Pick Milltek Opf/gpf Back System - Jet-115 Carbon Trims - Proposed Ece System Awaiting Testing At Tuv (needs X 2 F5168 Adaptors If Being Fit To Existing Gpf Delete) For Bmw X4 X4m / X4m Comp (g02) 3.0 (with Opf/gpf S58 Engine - Lci Only) 2022-2026 - Today Only [JI8TvX4Y]

$118.99 $380.99 -69%

Milltek OPF/GPF Back System for BMW X4 Elevate the performance and aesthetics of your BMW X4, X4M, or X4M Comp (G02) with the Milltek OPF/GPF Back System. Engineered specifically for the 3.0-liter S58 engine, this system is designed for vehicles with

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Editor's Pick Milltek Opf/gpf Back System - Jet-115 Carbon Trims - Proposed Ece System Awaiting Testing At Tuv (needs X 2 F5168 Adaptors If Being Fit To Existing Gpf Delete) For Bmw X4 X4m / X4m Comp (g02) 3.0 (with Opf/gpf S58 Engine - Lci Only) 2022-2026 - Today Only [JI8TvX4Y]

Milltek OPF/GPF Back System for BMW X4

Elevate the performance and aesthetics of your BMW X4, X4M, or X4M Comp (G02) with the Milltek OPF/GPF Back System. Engineered specifically for the 3.0-liter S58 engine, this system is designed for vehicles with an OPF/GPF S58 engine and is compatible with the LCI models from 2022 to 2026. The system is currently awaiting testing at TUV for compliance with the ECE standards, ensuring a seamless fit and optimal performance.

Superior Craftsmanship and Material

At Milltek Sport, we pride ourselves on delivering top-tier performance exhaust systems. The Cat-Back system for your BMW X4 is crafted from 304L ñAircraftî Grade stainless steel, guaranteeing durability and resistance to harsh conditions. This high-quality material ensures that your exhaust system will maintain its integrity, look, and sound over time.

Customizable Performance and Sound

With the Milltek OPF/GPF Back System, you can tailor your driving experience. The system is designed as a direct replacement for the original exhaust, offering multiple configurations to choose from. This allows you to select the desired increase in volume and add a more aggressive tone to your vehicle. Key features include:
  • Direct Replacement: Easy installation for a hassle-free upgrade.
  • Multiple Configurations: Customize your exhaust sound and volume to your preference.
Our commitment to continuous evolution is evident in our R&D efforts, ensuring that we provide the most in-demand solutions for your performance exhaust needs. Made in the UK and distributed globally, Milltek Sport is your go-to brand for top-quality performance aftermarket parts.

What Our Customers Say

January 27, 2026

Absolutely no complaints!

So much better than I had ever, ever expected.

- Cadoc N..

January 27, 2026

Absolutely no complaints!

Couldn't be more impressed with this at all, at all.

- Jestin G..

January 27, 2026

Absolutely no complaints!

A great item. I really, really, really love it.

- Cynan O..

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