The Airtec Motorsport BMW F80 M3 & F82/F83 M4 Aluminium Front Under Tray is a direct replacement upgrade engineered to provide improved protection, durability and cooling efficiency over the factory plastic under tray. Manufactured from high-quality 2mm aluminium, this under tray is designed to withstand demanding conditions while maintaining precise OEM-level fitment using all original mounting points.
Developed using a full 3D scan of the vehicle’s underside, the under tray has been CAD-designed to ensure a perfect fit without the need for cutting or drilling, making it fully reversible if required. It has been specifically designed to accommodate the larger dimensions of the AIRTEC Motorsport larger capacity oil cooler, which can cause the original plastic under tray to bow due to its weaker construction. To ensure optimal sealing and cooling performance, the kit includes pre-cut rubber trims, with options supplied for both the standard oil cooler and the AIRTEC Motorsport oil cooler.
Finished in a durable black powder coat, this aluminium under tray offers a substantial improvement in strength and longevity while helping maintain effective airflow and cooling. It is also fully compatible with the AIRTEC Motorsport GTS-style aero under tray pan, allowing it to form part of a comprehensive underbody setup.
Key Features
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Direct replacement aluminium front under tray
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Manufactured from 2mm aluminium for increased strength and durability
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Created from full 3D scan and CAD design for precise fitment
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Uses original mounting points with no cutting or drilling required
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Designed to work with AIRTEC Motorsport larger capacity oil cooler
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Supplied with pre-cut rubber trims for effective sealing and cooling
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Compatible with AIRTEC Motorsport GTS-style aero under tray pan
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Durable black powder coat finish for corrosion resistance
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Fully reversible installation
Fitment & Installation Notes
This under tray reuses the factory mounting points; however, it is essential that fixings used are in good condition. Original BMW fixings should only be reused if serviceable. Worn or corroded fixings should be replaced to ensure secure installation and prevent loosening over time.
Compatibility
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BMW F80 M3
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BMW F82 M4
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BMW F83 M4 Convertible
AIRTEC Motorsport Part Number: ATMSBMW34
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.
PLEASE NOTE
- Orders with both in-stock and backorder or out-of-stock products will be dispatched once all products are available to ship together.
- Contact our sales team if you want your parts fitted to your vehicle at our London workshop.
- Shipping estimates are based on courier delivery times and don't include time to despatch from our warehouse.









