New
BMW M4 G82/G83 Carbon Fibre Rear Diffuser – ASM Design
£1,499.00
Exclusive product, available for pre-order – production lead time 4-6 weeks.
Introducing the new ASM Design rear diffuser for the BMW G82,G83 expertly constructed from authentic dry pre-preg carbon fibre.
Official ASM Tuning Warranty
This product is covered by the official ASM Tuning Warranty, valid for all genuine components purchased directly from us or through our authorized partners.
Engineered for Perfect Compatibility
Every ASM Tuning component is designed and carefully selected to ensure a perfect fit for your vehicle. Compatibility is verified before every dispatch.
We Ship Worldwide
Every order is shipped worldwide with trusted logistics courier partners, offering you fast, real-time tracking, and secure delivery right your door.
Dedicated Technical Support
Our team is here for you 24/7 - offering you personalized assistance via phone, WhatsApp, or email, directly from automotive performance specialists
Warranty/Shipping/Returns
Warranty
All ASM Tuning 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 Tuning 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
Fitting
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
Pre-orders
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.
Description
BMW M4 G82/G83 CARBON FIBRE DIFFUSER ASM DESIGN
Upgrade the rear-end of your BMW M4 G82/G83 with the premium ASM Design Dry Carbon Fibre Rear Diffuser. Crafted from high-quality carbon fibre, this diffuser doesn’t just transform the appearance it delivers real aerodynamic improvements and aggressive styling worthy of the M badge.
Precision-crafted for a perfect OEM fit on all 2021-2025 models, this diffuser delivers aggressive styling and improved aerodynamics-with no drilling required.
The autoclave-cured dry pre-preg carbon fibre is lighter and more durable than factory plastic, while the UV-resistant gloss finish ensures long-lasting shine.
Installs in under an hour using factory mounting points. Includes all necessary hardware and a 2-year warranty against defects.
Key Features and Benefits
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Precision Fitment: Custom-designed for BMW M4 G82/G83 (2021-2025), ensuring seamless integration and a factory-perfect finish without modifications.
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Superior Aerodynamics: Optimizes underbody airflow to reduce drag and generate additional downforce by up to 25%, enhancing high-speed stability and handling on any road or track.
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Ultra-Lightweight Construction: Crafted from high-grade pre-preg dry carbon fibre, achieving a 45% weight reduction over OEM parts, improving acceleration and overall vehicle dynamics.
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Striking Design: Aggressive, motorsport-inspired contours with a high-gloss UV-protected finish, delivering an iconic look that commands attention.
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Durability and Quality: Rigorously tested for extreme conditions, offering exceptional resistance to heat, impact, and corrosion for long-lasting performance.
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Easy Installation: Bolt-on setup compatible with professional tuning shops worldwide, complete with detailed instructions for hassle-free application.
Authentic Designed and Engineered by ASM Tuning
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Compatible Models
- BMW G82 M4 2021+
- BMW G83 M4 2021+
Included With Your ASM Order
- 1x Rear diffuser – ASM Design
- Material: 100% Pre-Preg Carbon Fibre (2x2 weave)
- Precision mounting points for direct fitment
- Presented in ASM's custom protective packaging for secure worldwide delivery.
- Complete fitting kit included for secure installation
FAQ
If you have any questions, chances are you will find the answers below.
CAN I FINANCE MY ORDER?
At ASM Tuning, 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 team@asmtuning.co.uk
CAN I FINANCE MY ORDER?
At ASM Tuning, 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 instantly included. This is because when your order is delivered to your country, your local government will may 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 takes 7-10 working days.
WILL THESE PRODUCTS EFFECT MY VECHILE WARRANTY?
While ASM Tuning 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 team@asmtuning.co.uk.
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