Description
Give your BMW 3 Series G20 or G21 LCI (2023+) a bold and aggressive rear-end transformation with the TRE Carbon Performance Rear Diffuser Set. This complete package is designed to elevate both styling and aerodynamic function while maintaining perfect OEM+ compatibility.
Crafted entirely from premium pre-preg carbon fibre, this diffuser set provides a lightweight and highly durable solution that resists warping and fading, even under extreme conditions. Finished in a deep gloss clear coat with UV protection, it adds a refined motorsport aesthetic that matches the sharp lines of the LCI rear bumper.
This set includes the main rear diffuser section along with integrated side aero extensions, providing a full-width, aggressive appearance with enhanced visual depth and road presence.
Set Includes:
- Main Centre Rear Diffuser (Pre-Preg Carbon Fibre)
- Rear Side Extensions / Aero Fins (Pre-Preg Carbon Fibre)
Key Features:
- Developed by TRE Carbon, specialists in pre-preg carbon fibre upgrades.
- Constructed from high-quality pre-preg carbon fibre for optimal strength and lightweight performance.
- Deep gloss finish with UV-resistant clear coat to maintain appearance over time.
- Full-width diffuser with aggressive fins and aero side extensions for a bold, dynamic look.
- Easy, direct bolt-on installation — no cutting or drilling required.
- Designed for perfect compatibility with factory M Sport rear bumper.
Vehicle Fitment:
-
BMW 3 Series G20 LCI (Facelift Sedan)
Model Years: 2023, 2024, 2025 -
BMW 3 Series G21 LCI (Facelift Touring/Wagon)
Model Years: 2023, 2024, 2025
Why Choose TRE Carbon?
With a reputation for exceptional craftsmanship and design precision, TRE Carbon delivers performance-oriented styling with exact OEM+ fitment. This Performance Rear Diffuser Set is ideal for enthusiasts who want more than just a rear lip — it offers a full rear-end transformation with assertive styling and premium construction.
Pair it with the TRE Carbon Front Splitter, Side Skirts, and Spoiler for a fully unified exterior upgrade.
The standard shipping rate applies to orders within the continental United States. If you intend to place an order outside of the continental US, please reach out to support@x-ph.com for assistance.
