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.