2012-2018 BMW 3 Series F30 M3 Look Rear Diffuser ( must be used with M3 look rear bumper) - 1 Piece - 112507
Part#: ed_112507
Duraflex
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Local pick-up available ONLY at:
Fullerton, CA
Introducing the 3 Series F30 Polyurethane M3 Look Rear Bumper (requires diffuser and change to M3 M4 Look exhaust ) for the 2012-2018 BMW 3-Series, a perfect blend of style and performance from Couture. This custom Diffusers with proper installation is designed to enhance the aerodynamics of your vehicle, providing improved downforce and stability at high speeds depending on the design. Rarely seen on the street, the 3 Series F30 Polyurethane M3 Look Rear Bumper (requires diffuser and change to M3 M4 Look exhaust ) is made from Polyurethane materials and offers a unique custom style.
The 3 Series F30 Polyurethane M3 Look Rear Bumper (requires diffuser and change to M3 M4 Look exhaust ) is not just about aesthetics; many aero parts are also engineered to deliver functional benefits such as downforce. Depending on the design, this Diffusers may help to your BMW 3-Series feel grounded and enhance its head-turning appeal
One of the standout features of the 3 Series F30 Polyurethane M3 Look Rear Bumper (requires diffuser and change to M3 M4 Look exhaust ) is its lightweight construction. Made from durable yet lightweight Polyurethane materials, it minimizes any added weight to your vehicle, which is crucial for maintaining its performance characteristics. The Diffusers's aerodynamic design also reduces drag, further enhancing your car's efficiency and speed.
Installation of the 3 Series F30 Polyurethane M3 Look Rear Bumper (requires diffuser and change to M3 M4 Look exhaust ) must be performed by an experienced body shop, even though the part is designed for the 2012-2018 BMW 3-Series it is not a bolt-on part. Keep in mind that the hardware is not included, you will likely need custom and factory hardware such as screws, bolts and may need custom brackets to properly install.
In addition to its performance and customization benefits, the 3 Series F30 Polyurethane M3 Look Rear Bumper (requires diffuser and change to M3 M4 Look exhaust ) offers a customizable appearance. This flexibility allows you to personalize your BMW 3-Series to reflect your unique style while enjoying the performance benefits of this custom accessory.
The 3 Series F30 Polyurethane M3 Look Rear Bumper (requires diffuser and change to M3 M4 Look exhaust ) of the Couture line does undergo a quality inspection during the manufacturing and packaging process. However, always be sure to open and inspect each part upon delivery.
Whether you're a professional racer or an auto enthusiast looking to upgrade your BMW 3-Series, the 3 Series F30 Polyurethane M3 Look Rear Bumper (requires diffuser and change to M3 M4 Look exhaust ) from Couture is the perfect choice. It combines cutting-edge design, light weight materials, and practical benefits to transform your vehicle. Experience the difference with the 3 Series F30 Polyurethane M3 Look Rear Bumper (requires diffuser and change to M3 M4 Look exhaust ) and take your driving experience to the next level.
BMW Diffusers3-Series DiffusersCouture DiffusersBMW Polyurethane Diffusers3-Series Polyurethane Diffusers
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. Install professionally by a bodyshop with a valid automotive repair business license. Urethane parts require minimal prep work, such as: drilling holes, filler, flex paint agent, sanding, primer. Ships direct from the manufacturer or distributor. Manufactured using a process called RIM, Reaction Injection Molding in which the reactants were mixed then injected into a mold and treated with a memory agent to allow them to restore their original shape. Ships folded to conserve space. Set in the sun for at least 48 hours to restore the original shape. Use a smooth weight, such as a vinyl covered kettle bell on stubborn folds. We do not offer any guarantee of fitment on vehicles that have been in involved in accidents and/or have body damage or customization.








Couture diffusers are aftermarket aerodynamic accessories designed specifically for off-road and show use. As with all Couture products, these diffusers are not intended for use on public roads, and Couture disclaims any responsibility for damage or injury resulting from their use. Due to the nature of polyurethane and the manufacturing processes involved, Couture diffusers are not ‘direct bolt-on’ parts and often require extensive preparation, such as sanding, fitting, or custom bodywork.
Couture diffusers generally fit below the rear bumper, and in many cases, the bumper may need to be modified to accommodate the diffuser. It’s important to note that many diffusers are designed to fit specific bumpers, certain trims, or aftermarket styles, so careful attention should be paid to the design and compatibility when selecting and installing a diffuser.
In terms of installation, Couture diffusers typically require separate mounting hardware, which is not included in the package. This hardware often includes L-brackets, bolts, screws, washers, and other fasteners. L-brackets are commonly used to attach the diffuser securely to the vehicle’s chassis or bumper, while bolts and screws ensure a tight fit. In some cases, additional supports or reinforcements might be necessary, depending on the design and the specific fitment of the diffuser. Since this hardware is not included, installers will need to source the appropriate materials separately, ensuring they are compatible with both the diffuser and the vehicle.
For optimal results, Couture recommends professional installation by a custom shop experienced with polyurethane components and aftermarket accessories. Traditional auto repair shops may lack the expertise to properly handle the nuances of polyurethane fitment and hardware requirements. Like all Couture body kits and accessories, these diffusers are designed strictly for off-road and show use. Due to strict Department of Transportation (DOT) regulations, most Couture diffusers are not street legal. Couture does not endorse or recommend using these diffusers on public roads or highways.
Items sold on this website may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.