Description
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Make a bold statement at the rear of your BMW 3 Series with our KB Style 3-Piece Carbon Fiber Rear Diffuser with Integrated LED Brake Light. Designed specifically for 2019-2022 pre-LCI G20 BMW 320i, 330i, and M340i M Sport models, this aggressive aerodynamic upgrade transforms the appearance of the factory rear bumper with a motorsport-inspired design that delivers exceptional visual impact.
Featuring a distinctive three-piece construction, the KB Style diffuser adds depth, dimension, and a more aggressive profile to the lower rear section of the vehicle. The multi-tier design enhances the factory body lines while creating a premium performance-oriented appearance that stands out from every angle.
Integrated into the center section is a built-in LED brake light that illuminates when braking, providing both functional visibility and an eye-catching motorsport-inspired detail. This unique feature elevates the diffuser beyond a traditional styling upgrade and adds an unmistakable performance aesthetic to the rear of your BMW.
Constructed from real carbon fiber, the diffuser combines lightweight strength with premium appearance. The high-quality 2x2 carbon fiber weave showcases the iconic motorsport pattern BMW enthusiasts demand, while the gloss UV-protective clear coat enhances the depth and finish of the carbon fiber and helps protect against fading, yellowing, and environmental exposure.
Engineered specifically for pre-LCI G20 M Sport rear bumpers, the diffuser follows the factory contours seamlessly across all three sections, ensuring excellent fitment and a clean OEM+ appearance.
Professional installation is recommended, and all required mounting hardware, including bolts and automotive-grade 3M tape, is included.
Features
- Designed specifically for 2019-2022 pre-LCI BMW G20 models
- KB Style aggressive aerodynamic design
- Unique 3-piece diffuser construction
- Integrated LED brake light in center section
- Manufactured from real carbon fiber
- Premium 2x2 carbon fiber weave
- High-gloss UV-resistant clear coat
- Precision-engineered fitment
- OEM+ styling with motorsport-inspired appearance
- Designed for M Sport rear bumpers
- Includes mounting bolts and automotive-grade 3M tape
- Professional installation recommended
Benefits
- Dramatically enhances rear-end styling
- Creates a more aggressive and performance-focused appearance
- Adds visual depth to the factory rear bumper
- Integrated LED brake light improves visibility and aesthetics
- Lightweight real carbon fiber construction
- Premium carbon fiber finish complements factory styling
- UV-protected finish helps maintain long-term appearance
- Vehicle-specific design ensures excellent fitment
- Perfect addition to a complete carbon fiber exterior package
Vehicle Fitment
BMW 320i (G20)
- 2019 BMW 320i
- 2020 BMW 320i
- 2021 BMW 320i
- 2022 BMW 320i
BMW 330i (G20)
- 2019 BMW 330i
- 2020 BMW 330i
- 2021 BMW 330i
- 2022 BMW 330i
BMW M340i (G20)
- 2020 BMW M340i
- 2021 BMW M340i
- 2022 BMW M340i
Fitment Requirements:
- Pre-LCI Models Only
- M Sport Rear Bumper Required
Chassis Code: G20
Specifications
- Vehicle Compatibility: 2019-2022 BMW 3 Series
- Chassis Code: G20
- Style: KB Style Rear Diffuser
- Configuration: 3-Piece Design
- Compatibility: Pre-LCI Models Only
- Bumper Requirement: M Sport Rear Bumper
- Material: Real Carbon Fiber
- Carbon Fiber Pattern: 2x2 Weave
- Finish: Gloss UV-Protective Clear Coat
- Integrated Feature: LED Brake Light
- Installation Hardware:
- Mounting Bolts
- Automotive-Grade 3M Tape
- Installation Requirement: Professional Installation Recommended
What's Included
- Left Carbon Fiber Diffuser Section
- Center Carbon Fiber Diffuser Section with Integrated LED Brake Light
- Right Carbon Fiber Diffuser Section
- Mounting Hardware
- Automotive-Grade 3M Tape
Why Choose Our G20 KB Style Carbon Fiber Rear Diffuser?
Our KB Style 3-Piece Carbon Fiber Rear Diffuser is designed for BMW owners seeking one of the most aggressive and distinctive rear-end upgrades available for the pre-LCI G20 platform. Combining premium real carbon fiber construction, an integrated LED brake light, and a dramatic multi-tier design, this diffuser delivers a true motorsport-inspired appearance while maintaining excellent fitment and OEM-quality integration. Built specifically for 2019-2022 BMW 320i, 330i, and M340i M Sport models, it provides the perfect finishing touch for enthusiasts looking to elevate the styling of their BMW 3 Series.
