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Rear Diffuser- PSM Style F Chassis M Series

Rear Diffuser- PSM Style F Chassis M Series

Regular price $899
Sale price $899 Regular price $1,099
Shipping calculated at checkout.

Premium Quality Carbon Fiber


0% Easy Financing Available


100% Fitment Guarantee

Redefine your BMW's aesthetic with our PSM Style Carbon Fiber Rear Diffuser tailored for the F80 M3, F82 M4, and F83 M4 Convertible.

  • Glossy Wet Carbon Excellence: Revel in the luxurious shine of wet carbon fiber, a true mark of premium quality for your BMW.
  • Signature PSM Design: The dynamic PSM aesthetics flawlessly augment the rear profile of your BMW, ensuring an assertive stance.
  • Aerodynamic Prowess: Beyond visual appeal, the diffuser ensures aerodynamic advantages, amplifying stability and driving dynamics.
  • Direct from Manufacturer: Trust in authenticity as each diffuser ships directly from our dedicated manufacturing unit, ensuring unparalleled craftsmanship.

  • Product Description

    Exclusively designed for the BMW F80 M3, F82 M4, and F83 M4 Convertible, Carbon Velocity's PSM Style Carbon Fiber Rear Diffuser brings together sophistication and performance. The wet carbon fiber's glossy finish epitomizes luxury, ensuring your BMW stands out while the PSM design ensures a dynamic rear profile, turning heads wherever you venture.

    Engineered for perfection, this rear diffuser is more than just an aesthetic upgrade. It offers aerodynamic enhancements, ensuring improved stability for your ride. Every diffuser ships directly from our manufacturing unit, reflecting our dedication to quality and authenticity. The installation is straightforward with the provided screws, backed by our fitment guarantee.


    Compatible with M Series F Chassis - M3 Sedan F80 (2015-2018), M4 Convertible and Coupe F82 and F83 (2016-2020).

    1. Wet Carbon Fiber Rear Diffuser
    2. Installation Screws
    3. UV Protective Coating

    Redefine your BMW's aesthetic with our PSM Style Carbon Fiber Rear Diffuser tailored for the F80 M3, F82 M4, and F83 M4 Convertible.

    • Fitment Guaranteed
    • Premium Wet Carbon Fiber with 2x2 Weave
    • UV Protective Coating for Longevity
    • Ships Directly from Our Manufacturing Unit
    • Screws Included for Easy Installation
    View full details

    Customer Reviews

    Based on 4 reviews
    Aaron Spurlock

    Rear Diffuser- PSM Style F Chassis M Series

    Jessie Parker

    The Diffuser took my Bimmer to a whole new level of sophistication. It's an absolute head-turner on the road, and the carbon fiber quality is good. Professional installation is crucial to get it just right, but it's an investment I'd make again without hesitation.

    Nana P

    Adds a touch of aggressive elegance to my M4, and I couldn't be happier with the result. It's a real eye-catcher

    Suny Thapar
    Screws included, great product

    It not only adds a striking visual element but also enhances aerodynamics. The screws included in the package were a handy touch. Worth every penny. My car looks and feels more aggressive on the road.

    Satisfaction Guaranteed


    What is carbon fiber, and why is it used in automotive modifications?

    Carbon fiber is a lightweight and exceptionally strong material composed of carbon atoms in a pattern that creates long, interwoven fibers. In automotive modifications, carbon fiber is prized for its high strength-to-weight ratio, making it ideal for enhancing performance and aesthetics without adding excessive weight. It's used in various components like hoods, spoilers, mirror covers, and interior trims to improve aerodynamics and elevate the overall appearance of BMW cars.

    Are carbon fiber modifications compatible with all BMW models? offers a wide range of carbon fiber mods and aftermarket accessories specially designed to fit various BMW models. However, due to differences in model years and configurations, not all parts may be compatible with every BMW car. We provide detailed product descriptions and compatibility information on our website to help you find the perfect carbon fiber components for your specific BMW model.

    How do carbon fiber modifications benefit my BMW car's performance?

    Carbon fiber modifications can significantly enhance your BMW's performance in several ways. The lightweight nature of carbon fiber reduces the overall vehicle weight, leading to improved acceleration, braking, and handling. Additionally, aerodynamic carbon fiber components, such as splitters and diffusers, can increase downforce, enhancing stability at high speeds and around corners. Experience the thrill of improved driving dynamics and a more exhilarating ride with our carbon fiber mods.

    What sets carbon fiber products apart from others on the market?

    At, we take pride in offering premium-grade carbon fiber mods and aftermarket accessories that are specifically engineered for BMW cars. Our products stand out for their exceptional craftsmanship, precise fitment, and attention to detail. We source materials from reputable suppliers, ensuring the highest quality carbon fiber components available. Moreover, our team of automotive enthusiasts is dedicated to providing excellent customer service, making your shopping experience with us second to none.