TRE
BMW M5 G90 G99 Pre-Preg Carbon Fibre PR-1 Rear Diffuser by TRE
BMW M5 G90 G99 Pre-Preg Carbon Fibre PR-1 Rear Diffuser by TRE
- Worldwide Shipping
- 14 Day Returns
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The TRE PR-1 Carbon Fibre Rear Diffuser enhances your G90 / G99 M5 with motorsport-inspired styling. Clean lines and sculptured design create a striking focal point, whilst the pre-preg carbon fibre construction delivers both visual appeal and structural integrity.
Beyond its bold appearance, the TRE PR-1 diffuser is engineered for performance. Its sculpted design manages underbody airflow for improved aerodynamics. The multi-piece design offers a refined look whilst maintaining all factory functionality, including the rear brake light.
Key Features:
- Pre-Preg Carbon Fibre: Built with high-quality pre-preg carbon fibre for optimal strength, lightweight construction, and flawless finish.
- Streamlined Design: Features a cleaner, more refined aesthetic than the OEM diffuser.
- Enhanced Aerodynamics: Engineered to optimise airflow and improve aerodynamic performance.
- Multi-Piece Construction: Seamlessly integrates with the factory design.
- Integrated Brake Light: Maintains factory brake light functionality for safety.
- Precision Fitment: Designed for perfect integration with your G90 M5's rear bumper.
What's in the box
- 1 x TRE Carbon Fibre (pre-preg, 2x2 Weave) Rear Difffuser
Compatible models
- BMW M5 Saloon (2024+, G90)
- BMW M5 Touring (2024+, G90)
TRE

TRE ("T-R-E") products represent the pinnacle of the Reinhart range. Each product is built to the very highest standards and are covered by an industry leading two year warranty. The sole aim of each part in this range is to push boundaries and bring you closer to The Racers Edge.
The pre-preg (dry) manufacturing method used in TRE carbon fibre parts is lighter, stronger and more premium than those found in it's range.
FAQ
CAN I FINANCE MY ORDER
Yes. We offer a range of finance products.
We offer the widely adopted Klarna and ClearPay for split weekly payments.
We also offer longer term instalments via Klarna and NewPay.
Please speak to a member of our team using the live chat or via email at sales@reinhartautohaus.com if you have any further questions.
WHAT IS YOUR RETURN POLICY?
Our policy lasts 14 days. If 14 days have gone by since your product arrives with you, unfortunately we can’t offer you a refund or exchange.
You can read our full returns policy here.
DO YOU SHIP WORLDWIDE?
Yes. We ship worldwide. We have shipped to over 75 countries to date.
WILL MY PRODUCTS INCLUDE A WARRANTY?
Yes. All products sold on the Reinhart Autohaus store include a minimum 6 month warranty in addition to any manufacturer warranties (which may supersede this period). For more information on warranties, check our terms.
Please speak to a member of our team using the live chat or via email at sales@reinhartautohaus.com if you have any further questions.
HOW LONG WILL IT TAKE TO ARRIVE?
Delivery times will vary depending on product, time of year, location and courier used.
Generally items in the UK will arrive within 1-3 days for express shipping and 2-5 days for standard or free shipping.
For shipping outside of the UK, times will vary from 2-5 days for express shipping and 3-10 days for standard shipping.
Please speak to a member of our team using the live chat or via email at sales@reinhartautohaus.com if you have any further questions.
WILL THESE PRODUCTS EFFECT MY VEHICLE WARRANTY
Some modifications can affect the manufacturer warranty provided with your vehicle.
Whilst Reinhart Autohaus can advise, we cannot confirm if a product will or will not affect your vehicle warranty. It's always advised to check with your dealer and finance provider prior to purchasing and installing parts.
Please speak to a member of our team using the live chat or via email at sales@reinhartautohaus.com if you have any further questions.
WILL THIS FIT MY CAR
Please check the product page of the product in question, we include fitment information on every product.
If this information is missing, please speak to a member of our team using the live chat or via email at sales@reinhartautohaus.com if you have any further questions.
Disclaimer, Warranty, Shipping and Returns
DISCLAIMER
Reinhart Autohaus Ltd. products and those from our partners, sold via our website, are for racing and competition only, not for road or off-road use. Use is restricted to events with official motorsport organisation approval. Compliance with UK, US, or other nations' laws is the buyer's responsibility. Reinhart Autohaus Ltd. makes no warranty regarding the legality of road use.
WARRANTY
We stand by every product in the Reinhart Store store. Therefore, all products are delivered with a warranty. The TRE range of parts are covered by industry-leading two-year warranty. Our warranty terms are the same across every product and cover any manufacturing defects that could occur over time, outside of usual wear and tear.
SHIPPING
We offer worldwide shipping on every product we stock on the Reinhart store.
RETURNS
We have a 14-day return policy, you have 14 days after receiving your item to request a return and then 14 days from the point of us accepting the return to return the goods to us. However, some items are non-returnable please visit our policies page here.
Should you need assistance with shipping, fitting or a return, please contact a member of the team by sales@reinhartautohaus.com