BMW M4 G82 / G83 Dry Carbon Fibre Rear Diffuser – OEM Style
£579.00
Enhance your BMW M4’s performance and styling with this high-quality OEM-style rear diffuser, engineered for precision, durability, and a motorsport-inspired look.
Warranty
All ASM Sports Tech products come with a 8 month to lifetime warranty, unless otherwise stated in the product description. View the full warranty information here.
Shipping
- All orders placed before 8 pm are dispatched on the same day.
- Delivery in the UK is completely free on all products
- Worldwide delivery is offered on all products
Returns
At ASM Sports Tech We take great care in designing our returns policy to ensure that the process is hassle-free and convenient for you. If for any reason you are not 100% satisfied with your purchase you can return the goods for a full refund or exchange. Please visit our returns page and let us know within 30 days of your purchase
All of our products come with fitting kits where applicable.We highly recommend professional installations are completed by a professional to ensure the product is fitted correctly.
In-stock items will be dispatched same-day. If the item is out of stock or made to backorder, we will contact you within 24 hours and allow you to cancel or to process your order with a lead time of around 2-6 weeks.
BMW M4 G82 / G83 Carbon Diffuser – OEM Style
Upgrade your BMW M4 G82/G83 with this OEM-style dry carbon fibre rear diffuser, designed to enhance aerodynamics, rear-end stability, and aggressive styling.
Made from lightweight, high-strength dry carbon fibre, this premium diffuser provides a perfect balance of performance and aesthetics, giving your M4 a sleek yet track-inspired look.
Compatible Models:
- BMW G80 M3 2021+
- BMW G81 M3 2021+
- BMW G82 M4 2021+
- BMW G83 M4 2021+



Features & Details
Premium Dry Carbon Fibre Construction
Manufactured using advanced dry carbon fibre technology, offering superior strength, ultra-lightweight durability, and a UV-resistant finish.
Aerodynamic Performance & Increased Downforce
Optimized to improve airflow, reduce drag, and enhance rear-end stability at high speeds.
OEM-Style Clean & Aggressive Design
Provides a refined yet sporty look, maintaining factory aesthetics with a motorsport-inspired edge.
Seamless Fitment & Precision Engineering
Designed for a flush, factory-like fit, aligning perfectly with your M4’s rear bumper.
Easy Installation
Direct bolt-on fitment, requiring minimal modifications for a hassle-free upgrade.
Upgrade your BMW M4 G82/G83 with ASM’s Dry Carbon Fibre OEM Style Rear Diffuser – engineered for lightweight performance, precision, and OEM+ styling.
Only logged in customers who have purchased this product may leave a review.
FAQ
If you have any questions, chances are you will find the answers below.
CAN I FINANCE MY ORDER?
At ASM Sports Tech, we do offer various financing options, allowing you to choose the one that best suits your needs. These payment options, including AfterPay, are available at checkout, provided you meet the eligibility criteria.
AM I CHARGED VAT?
In the United Kingdom, the pricing of our products includes a 20% VAT. For international customers, VAT is not included at the time of checkout.
This is because when your order is delivered to your country, your local government will impose import duties or taxes separately.
DO YOU SHIP WORLDWIDE?
Absolutely! We offer shipping throughout worldwide, and shipping costs will be displayed at the checkout page.
HOW LONG IT WILL TAKE TO ARRIVE?
For mainland UK deliveries, it usually takes between 2-5 working days from the moment we dispatch your order. International and UK Non-Mainland deliveries may take longer.
WILL THESE PRODUCTS EFFECT MY VEHICLE WARRANTY?
Modifications made to your vehicle may have an impact on the manufacturer warranty.
While ASM can offer advice, we cannot guarantee whether a product will or will not affect your vehicle warranty. It is strongly recommended to consult with your dealer and finance provider before purchasing and installing any parts. If you have any additional questions, please feel free to contact our team through the Live Chat or by sending an email to: support@asmsportstech.com
In the United Kingdom, the pricing of our products includes a 20% VAT.
For international customers, VAT is not instantly included. This is because when your order is delivered to your country, your local government will may impose import duties or taxes separately.
Absolutely! We offer shipping throughout worldwide, and shipping costs will be displayed at the checkout page.
For mainland UK deliveries, it usually takes between 2-5 working days from the moment we dispatch your order. International and UK Non-Mainland deliveries takes 7-10 working days.
While ASM Sports Tech can offer advice, we cannot guarantee whether a product will or will not affect your vehicle warranty.
It is strongly recommended to consult with your dealer and finance provider before purchasing and installing any parts.
If you have any additional questions, please feel free to contact our team through the Live Chat or by sending an email to: support@asmsportstech.com
TUNING GUIDES


Reviews
There are no reviews yet.