Upgrade the look and performance of your 2014-2020 BMW 4-Series with the 4 Series F32 AF-1 Wide Body Rear Diffuser ( GFK )( Must be used with Couture M4 Look Rear Bumper ) (S) from Aero Function, a top-tier accessory designed to enhance your vehicle. This Diffusers is meticulously engineered to provide a striking visual upgrade.
The 4 Series F32 AF-1 Wide Body Rear Diffuser ( GFK )( Must be used with Couture M4 Look Rear Bumper ) (S) is engineered to complement the vehicle's existing profile.
The 4 Series F32 AF-1 Wide Body Rear Diffuser ( GFK )( Must be used with Couture M4 Look Rear Bumper ) (S) is constructed to minimize any additional weight to your vehicle. The aerodynamic design may offer performance benefits.
Installation of the 4 Series F32 AF-1 Wide Body Rear Diffuser ( GFK )( Must be used with Couture M4 Look Rear Bumper ) (S) is recommended to be done by a professional. The Diffusers is tailored to fit the 2014-2020 BMW 4-Series. This product does not come with the hardware required for installation. You will need to source your own fasteners, which could include a combination of BMW hardware and custom screws, bolts, and possibly brackets, depending on your specific requirements..
One of the standout features of the 4 Series F32 AF-1 Wide Body Rear Diffuser ( GFK )( Must be used with Couture M4 Look Rear Bumper ) (S) is its customizable finish. It can be painted to match your vehicles color, allowing for a cohesive and personalized look. This flexibility ensures that your BMW 4-Series not only looks great but also stands out with a unique and stylish appearance.
Aero Function is committed to delivering high-quality products. Each 4 Series F32 AF-1 Wide Body Rear Diffuser ( GFK )( Must be used with Couture M4 Look Rear Bumper ) (S) undergoes testing to ensure it meets standards of performance.
Whether youre a professional racer or a car enthusiast looking to upgrade your BMW 4-Series, the 4 Series F32 AF-1 Wide Body Rear Diffuser ( GFK )( Must be used with Couture M4 Look Rear Bumper ) (S) from Aero Function is a great choice. It combines cutting-edge design and materials. Discover the difference with the 4 Series F32 AF-1 Wide Body Rear Diffuser ( GFK )( Must be used with Couture M4 Look Rear Bumper ) (S) and take your BMW 4-Series to the next level.
BMW Diffusers4-Series DiffusersAero Function DiffusersBMW FRP Diffusers4-Series FRP Diffusers
| Year | Make | Model |
|---|---|---|
| 2016 | BMW | 428i |
| 2017 | BMW | 440i |
| 2014 | BMW | 428i |
| 2015 | BMW | 428i |
| 2018 | BMW | 440i |
| 2019 | BMW | 440i |
| 2020 | BMW | 440i |
New: A brand-new, unused, unopened, item in its original packaging (where packaging is applicable). Packaging should be the same as what is found in our retail store. To be installed professionally by a bodyshop with a valid automotive repair business license. Fiberglass parts always require prep work before they can be primed and painted. This product is made with fiberglass material, therefore it will exhibit chips, breaks, cracks, waves, scratches and holes which require modification. It is necessary to dry fit and drill mounting holes and preform body work before paint. Cutting and adding of fiberglass may be required for proper fitment. Ships direct from the manufacturer or a distributor. Primer finish. Hand layup is the manufacturing process used for the majority of our fiberglass parts. Hoods require hood pins. We do not offer any guarantee of fitment on vehicles that have been in involved in accidents and/or have body damage or customization.
Aero Function is a leading manufacturer of premium body kits for high-end luxury vehicles like BMW 4-Series. With over a decade of experience in engineering and manufacturing aerodynamic components for BMW 4-Series, Aero Function body kits are designed to enhance both the appearance and performance of luxury cars. These body kits radically transform a vehicle's aesthetics while improving functionality and aerodynamics.
Aero Function body kits for BMW 4-Series are manufactured using three primary materials: GFK (Glass Fibre Komposite) for strength and flexibility, CFP (Carbon Fibre Plastic) for lightweight performance with UV protection, and Pur Rim (Polyurethane Plastic) for a unique combination of stiffness and impact absorption. All Aero Function products are produced in-house by specially trained employees, ensuring consistently high quality that meets the demands of discerning customers.
For Aero Function GFK products, it's crucial to understand that some modifications may be necessary during installation. While Aero Function parts are designed for superior fitment, minor adjustments might still be required. We strongly recommend dry fitting all components before drilling any mounting holes. Additionally, cutting and adding fiberglass may be required to ensure proper fitment. These steps allow you to check alignment and make any necessary adjustments, ensuring optimal fitment and enhancing the overall appearance of your BMW 4-Series. By taking these measures, you'll maximize the functionality and aesthetic appeal of your Aero Function upgrades on your BMW 4-Series, resulting in a sleek, professional-looking installation that complements your vehicle's style
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