BMW F30 / F31 3 Series Carbon Fibre Rear Diffuser MP Style Dual Exhaust
£379.00
Meticulously constructed from genuine carbon fibre to elevate the rear aesthetic with a sleek, aggressive appearance.
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.
Elevate the rear-end presence of your BMW F30 or F31 3 Series with the ASM Tuning Carbon Fibre Rear Diffuser – MP Style Dual Exhaust, designed for a perfect balance between M-inspired aggression and OEM fitment.
Each diffuser is hand-finished in a UV-resistant high-gloss clear coat, showcasing the rich carbon weave while offering protection against fading, yellowing, and heat exposure. Developed using 3D-scanned OEM geometry, fitment is precise, allowing for easy installation with factory mounting points and no modification required.
Compatible Models:
- 2011-2019 BMW F30 3 Series (M Sport only)
- 2011-2019 BMW F31 3 Series (M Sport only)



Key Features:
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Carbon Fibre Construction – For strength, precision, and lightness.
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MP Style Design – aggressive M Performance aesthetic for enhanced sportiness.
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Dual Exhaust Layout – OEM-compatible for twin-tip configurations.
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Gloss UV Finish – high-gloss protection for long-term clarity and carbon depth.
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OEM Fitment – engineered with 3D-scan accuracy for direct installation.
Upgrade your BMW F30 / F31 3 Series with the ASM Tuning MP Style Carbon Fibre Rear Diffuser – Dual Exhaust, combining refined M aesthetics, aerodynamic functionality, and premium carbon craftsmanship for the perfect OEM+ enhancement.
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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


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