For 2021-2025 BMW G22 G23 430i K Style Carbon Fiber LED Rear Diffuser+Side Extension
Fitment
Fits 2021–2023 BMW G22 / G23 4 Series with M Sport Bumper only
Only fits models with M Sport Bumper
Will NOT fit models with regular non-M Sport bumper
Will NOT work with rectangular exhaust tips on M440i models — proper round exhaust tips required
Please check exhaust opening size in pictures; exhaust tip may need adjustment
Package Includes
1x Carbon Fiber Rear Bumper Diffuser with LED Brake Light + Corner Extension Kit (as shown)
Technical Details:
100% Brand New & Never Used
Real carbon fiber K-Style shark fin rear bumper diffuser with dual vertical LED tube brake lights and corner extensions
Excellent fitment and high-quality construction
Direct replacement for the original diffuser
Simple clip-on installation for the diffuser
Corner extensions install using screws
Wiring required for LED lights
Quad exhaust openings included
Made of super lightweight, durable real carbon fiber
UV-protective clear coating — fade and rust resistant
Quality 3K weave carbon fiber with hard UV-protected coating
Dramatically enhances the sporty appearance of your 4 Series
LED 3rd brake light adds a racing sport touch and improves rear-end visibility for safety
Installation instructions not included
Rear bumper removal recommended for proper installation
Drilling may be required
Professional installation is highly recommended
Shipping Policy
- Free Shipping in the US, except for Hawaii, Alaska, Puerto Rico.
- No Shipping for Hawaii, Alaska, Puerto Rico.
- The products are located in our warehouse in Chino, California, US.
- Handling Time: the purchased items are sent within 1-2 days after the receipt of payment.
- Delivery time in the US: The majority of orders will be fulfilled within 5-8 days. The choice of courier, such as UPS, Fedex, or USPS (with tracking), will depend on the size of the item.
- Due to item availabilities, certain products may be delivered within 15-25 days or 25-35 days in the US. The specific delivery timeframe is indicated in the product listings
- Delivery time to Canada: The orders will be fulfilled within 7-10 business days and subjected to the following postages:
- 0.0001 kg to 5 kg CA$15.00
- 5.0001 kg and above CA$30.00
- Tracking information will be sent automatically to your email after the order has been shipped. You can check the tracking status on the corresponding courier's website.
- For other countries, please contact us for the delivery time before order. And it will be subject to the extra postage.
For any further inquiries regarding the shipping, please feel free to contact us via sales@autunik.com
Q1. How soon could I expect the reply for the inquiry?
Your email will be answered within 24 hours. It may take longer during weekend and holiday.
Q2. How long does the delivery take?
Handling time takes 1-2 days after receipt of payment.
Delivery Time: The majority of orders will be fulfilled within 5-8 days. The choice of courier, such as USPS, Fedex, or UPS (with tracking), will depend on the size of the item.
Due to item availabilities, certain products may be delivered within 9-14 days or 25-35 days in the US. The specific delivery timeframe is indicated in the product listings
Q3. How to return the package without reason?
To return the purchased item, within 30 days since the day of delivery. Please contact us via sales@autunik.com before return. The returned item must be in a good and new conditions. For items that are not eligible for return, pleae refer to our Return & Refund Policy.
Q4. Any further question?
You could use our contact form.