PAKTECHZ Prepreg Carbon Fiber, Autoclave Cured Made to order, model-specific fit
BMW M3 G80 Carbon Fiber Rear Diffuser

BMW M3 G80 Carbon Fiber Rear Diffuser

SKU PT0020-6

฿65,000 Price per piece · installation not included
  • MaterialCarbon Fiber
  • FitsM3 G80(2021+)
  • Part typeCarbon Diffusers
  • Production timeApproximately 4–6 weeks
  • Autoclave-cured prepreg carbon fibre, Toray material, 3K weave
  • OEM-level model-specific fit, no bodywork modification required
  • Made to order · installation by an experienced technician recommended
  • Manufacturing process Autoclave-cured prepreg(dry carbon)
  • Finish 3K twill weave, UV-resistant gloss coating
  • Fitment OEM-level model-specific moulding, no modification needed
  • Production time Made to order, 4–6 weeks

Redefine performance and style with the BMW M3 G80 Carbon Fiber Rear Diffuserengineered for maximum aerodynamics and motorsport-inspired elegance. Built from aerospace-grade carbon fiber, this rear diffuser ensures lightweight durability while directing airflow for reduced drag and improved high-speed stability. Designed for a seamless OEM fit, it integrates flawlessly with the rear bumper, enhancing your car’s bold appearance and delivering track-level functionality. Whether you’re aiming for reduced turbulence or premium styling, the Carbon Fiber Rear Diffuser is a perfect upgrade to refine your M3’s rear profile.

A complete view of the BMW M3 G80 showcasing the installed Carbon Fiber Aero Kit with the front splitter, side skirts, rear diffuser, and trunk spoiler in perfect integration

Our Projects

Aerodynamics for Enhanced Rear-End Performance

Precision Engineering to Boost Aerodynamic Efficiency

A side-angle image showcasing the sleek carbon fiber side skirts, emphasizing improved airflow at high speeds

The BMW M3 G80 Carbon Fiber Rear Diffuser is designed to enhance aerodynamic performance by managing airflow and reducing drag at the rear of the vehicle. The innovative design channels air effectively, helping reduce rear-end turbulence, ensuring improved high-speed stability and better handling. By directing airflow to optimize downforce, the rear diffuser plays a critical role in delivering track-ready performance for any enthusiast. Made for both performance-focused drivers and style-conscious car owners, this upgrade is essential to maximize the driving dynamics of your BMW M3 G80.


Aggressive Rear Design & Styling

Unleash Aggressive Race-Ready Styling

Close-up display of the carbon fiber rear diffuser, illustrating its intricate craftsmanship and effective functionality for drag reduction

Take the rear profile of your BMW M3 G80 to the next level with the Carbon Fiber Rear Diffuseroffering bold and modern styling infused with motorsport-inspired elegance. The sharp contours and precise craftsmanship create a visually dynamic upgrade that complements the M3’s bold body lines. Finished in high-gloss carbon fiber, the diffuser adds a premium touch that catches the light beautifully while reflecting the race-inspired heritage of BMW. Whether on city roads or at car meets, this accessory grabs attention, ensuring your car stands out in any environment.


Lightweight Aerospace-Grade Carbon Fiber

Durable, Lightweight & Crafted for Performance

An image showing the carbon fiber trunk spoiler, enhancing the rear appearance while contributing to improved downforce

Crafted from aerospace-grade carbon fiber, the BMW M3 G80 Rear Diffuser combines lightweight engineering with extreme durability. The advanced carbon fiber material minimizes weight, improving handling and fuel efficiency while ensuring the diffuser remains structurally strong against heat, UV exposure, and road conditions. Protected with a scratch-resistant high-gloss finish, this rear diffuser is built to maintain its stunning appearance and structural integrity, meeting both aesthetic and functional demands for long-term use.


Easy Installation with OEM Integration

Seamless Fitment & DIY-Friendly Installation

A technical graphical representation showing how every element of the Carbon Fiber Aero Kit works together to improve air circulation, reduce drag, and enhance overall vehicle stability

The Carbon Fiber Rear Diffuser is engineered for OEM-grade compatibility, ensuring it fits perfectly with the stock rear bumper of any BMW M3 G80 trim. With pre-drilled mounting points, installation is straightforward for both professional workshops and DIY enthusiasts. No additional modifications or hardware are required—installation is safe, secure, and simple. Achieve a factory-perfect fit with this accessory, enhancing both styling and aerodynamics in minimal time.

SKUPT0020-6
MaterialCarbon Fiber
FitsM3 G80(2021+)
Part typeRear Diffuser
Vehicle BrandsBMW
Model / chassisM3 G80(2021+)
Manufacturing processAutoclave-cured prepreg(dry carbon)
FinishUV-resistant gloss clear coat, 3K weave
ManufacturerPAKTECHZ(founded 2016)
Importer / distributorFlinstone Autoparts

How to order

Tell us your car model, year and the SKU (PT0020-6) Get in touch and we will confirm fitment for your car, the production lead time and the shipping cost before any order is opened.

Production time

Every part is made to order, with a production time of roughly 4–6 weeks. Once it arrives we will contact you to book a date.

Pick up and install at our shop

Customers normally book installation at the shop, where the finished work can be inspected in person. at 1 Soi Yen Chit 7, Thung Wat Don Sathon, Bangkok 10120 Call ahead at 0811-034-034 or message us on LINE · Opening hours Mon–Sat 09:00–18:00 (closed Sunday) · Shipping is arranged case by case — please ask our team

Installation

Parts are designed to OEM-level model-specific fit. For the best result and maximum safety we recommend installation by a technician experienced with body kits.

PAKTECHZ is imported and sold in Thailand by Flinstone Autoparts. To check fitment for your car, ask about lead time, or book installation, contact 0811-034-034 · Fitted at our shop in Sathon, Bangkok

Customer reviews

No reviews for this product yet. If you have fitted it to your car, your review would help others who are deciding.

Be the first to review this product

Reviews appear on the site after our team checks them · your email is never published

FAQ

BMW M3 G80 Carbon Fiber Rear Diffuser — how much does it cost?
Price 65,000 THB per piece (installation not included). Imported and sold by Flinstone Autoparts. To ask or order, contact 0811-034-034
BMW M3 G80 Carbon Fiber Rear Diffuser — which cars does it fit?
This part is designed specifically for the M3 G80 (2021+). It is moulded to OEM-level model-specific fit with no bodywork modification. Before ordering, give our team the year and chassis code so fitment can be confirmed.
What is it made of, and how does it differ from ordinary carbon?
It is made from prepreg carbon fibre cured in an autoclave (dry carbon), 3K twill weave with a UV-resistant gloss coating. Unlike surface-applied or hydro-dipped carbon, the whole part is real carbon through its thickness, so it is lighter and stronger.
How long is the wait, and where do I collect and fit it?
Every part is made to order, with a production time of roughly 4–6 weeks. Once it arrives we will contact you to book installation at (Sathon, Bangkok). You can inspect the finished work in person. For shipping, contact 0811-034-034
Can I fit it myself?
The part is made to OEM-level model-specific fit, but installation by a technician experienced with body kits is recommended for the best fit and maximum safety. Flinstone Autoparts offers this service.
How do I order BMW M3 G80 Carbon Fiber Rear Diffuser?
Give us the part number PT0020-6 along with your model and year at 0811-034-034. We confirm fitment, production time and shipping cost before every order is opened.
BMW M3 G80 Carbon Fiber Rear… ฿65,000
Call to order
Add LINE