TRE
TRE Pre-preg Carbon Fibre Performance Rear Diffuser for BMW M5 (2017-2023, F90)
TRE Pre-preg Carbon Fibre Performance Rear Diffuser for BMW M5 (2017-2023, F90)
Shipped Worldwide
Fitted With Precision
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Upgrade the rear of your BMW M5 with this dry Carbon Fibre (Pre-preg) Performance Rear Diffuser for F90 M5.
This Performance style diffuser is the perfect way to add some aggression to the rear end and is specifically designed to complement the lines of the bumper.
Match with a carbon fibre spoiler (see photography) for a cohesive look.
This item also fits the F90 M5 LCI.
What's in the box
- 1 x TRE Carbon Fibre (2x2 Weave, pre-preg) Rear Diffuser
Compatible models
- BMW M5 (2017-2020, F90)
- BMW M5 LCI (2020-2023, F90)
Installation
This replacement is a direct replacement for the existing diffuser. Remove original diffuser and reuse OEM hardware to fit.
TRE

TRE ("T-R-E") products represent the pinnacle of the Reinhart Autohaus 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 may include any manufacturer warranties. 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.