Maxton Design BMW F70 M135 Gloss Black Rear Diffuser

Give your BMW F70 M135 a commanding presence on the road with this Gloss Black Rear Diffuser from Maxton Design. Crafted to replace the factory-fitted diffuser, this piece enhances the rear-end styling with a wider, more purposeful appearance that stands out from every angle. Its aggressive design sharpens the car’s visual impact while maintaining a clean, integrated fit, thanks to precision 3D scanning during development. Constructed from premium ABS plastic, the diffuser delivers a high-gloss finish with lightweight durability and subtle flexibility—ideal for daily driving with added attitude.

Key Features

• Gloss black finish with aggressive styling
• Designed to replace the OEM rear diffuser
• Requires self-tapping screws for secure installation
• Made from high-quality, lightweight ABS plastic
• Supplied with detailed fitting manual
• TUV MATERIALGUTACHTEN certified for material quality

Compatibility

Vehicle Fitment:

• BMW F70 M135 (2024–present)

Notes:

• Designed for F70 M135 only – please verify your vehicle matches the listing
• Product ships with a protective film and authenticity label – do not remove unless you are sure of fitment
• We recommend professional installation or following the provided instructions carefully

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.