2012-2018 BMW 3 Series (F30 / F31) M Performance Style Carbon Fiber Rear Diffuser

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The M Performance package is one of the most highly sought after aero-aesthetic upgrades, because it makes such a dramatic impact to the exterior appearance of your ride!

Our Kies Carbon M Performance style upgrades serve the sole purpose of attaining that factory look without paying the factory price.

Our carbon fiber M Performance style rear diffuser will fit any 2012-2018 BMW 3 series that is equipped with the M Sport package, and if you don’t have the M Sport package you can look into upgrading with one of our PhaseOne aftermarket M Sport style rear bumper conversions.

Yes, this does fit the LCI (facelifted) 330i or 340i as well, rejoice!

Kies Carbon aerodynamic upgrades are constructed from industry standard 2x2 weave 3K carbon fiber fabric for a clean look and superb strength. It is also finished with a long lasting, high quality gloss coat finish so your parts will not only look good, but last the test of time.

Note: Please make sure you select the right exhaust option for your particular application.

Aftermarket diffusers are a great way for you to increase the aerodynamics of your vehicle while simultaneously enhancing your vehicles exterior style.

Kies Motorsports is a leading automotive brand that specializes in aftermarket modifications and OE replacements. Known for their dedication to quality and innovation, Kies Motorsports caters to enthusiasts looking to elevate both the aesthetics and performance of their vehicles. Whether you're seeking top-notch replacements or cosmetic upgrades, Kies Motorsports is your go-to destination.