BMW F80 M3 & F82/F83 M4 3-Piece Gloss Black Rear Diffuser

This gloss black 3-piece rear diffuser for the BMW F80 M3 and F82/F83 M4 is a clean, well-proportioned exterior upgrade designed to enhance the rear end while maintaining factory-inspired fitment and styling. Shaped to follow the lines of the original M rear bumper, it adds definition and visual depth without appearing overstyled or out of place.

Manufactured from high-quality ABS plastic, the diffuser offers excellent durability for everyday road use and a consistent gloss black finish that complements other exterior trim elements. The three-piece construction allows for more precise alignment across the rear bumper, helping achieve a balanced, cohesive look once installed. It also makes handling and installation more straightforward compared to one-piece designs.

Designed specifically for the F80 and F82/F83 platforms, this rear diffuser delivers strong visual impact, reliable fitment, and excellent value for owners looking to refine the rear styling of their M3 or M4.

Key Features

• 3-piece rear diffuser design

• High-quality ABS plastic construction

• Gloss black finish for a clean, modern appearance

• Enhances rear-end styling while retaining an OEM-inspired look

• Designed for accurate fitment on M3 and M4 rear bumpers

• Three-piece layout allows easier handling and installation

• Excellent value exterior styling upgrade

Compatibility

• BMW F80 M3

• BMW F82 M4 Coupe

• BMW F83 M4 Convertible

Unless explicitly stated otherwise, all products sold by R44 Performance Limited are designated RACE ONLY and are solely for competition or off-road use limited to racing formally sanctioned by a recognized racing organization. Any other use, including recreational off-road use, may violate local, state, and Federal laws. R44 Performance Limited does not implicitly or explicitly confirm the legality of using any products it sells on public roads; that is entirely the responsibility of the consumer.

It is the responsibility of the customer to check with all federal, state local and environmental laws before ordering and installing a product. R44 Performance Limited is not responsible for any fees, fines or costs that a customer may incur as a result of failing to check with federal, state, local or environmental laws before ordering and installing a product.

We get a large number of custom orders and requests everyday, so as a result it is not always possible for us to keep every item in stock at all times in our warehouse. If you require the item urgently please contact our sales team here to check the stock before you make your purchase.

We totally understand if you're not certain a part will be compatible with your car, so we highly recommend contacting us here with your query. Our friendly sales team will then be in touch to confirm if this part is the correct part you are looking for.

All in stock products ship the same day if ordered before 2pm GMT

For out of stock items we will contact you with an estimated wait time if not otherwise specified above.

We offer worldwide shipping on all products. If upon receiving your product you wish to return; we offer a 30-day returns policy. For our in-depth returns information please follow the link. "R44 Returns Policy

All of our products come with a standard warranty of 1-3 years. This is dependant on the type of product however. For more details please see our warranty page here.