Description
M5 CS-Inspired Rear-End Aggression
Upgrade the rear-end styling of your BMW F90 M5 LCI (2021–2023) with the StradaWerks Dry Carbon Fiber CS Style Rear Diffuser. Inspired by the exclusive M5 CS, this diffuser delivers aggressive motorsport-inspired styling with sharper aerodynamic fins and a more sculpted lower profile for a bolder, track-focused rear appearance.
Designed to enhance rear-end depth, width, and visual aggression, this diffuser is the perfect finishing touch for a performance-oriented exterior build.
True Dry Carbon Fiber Construction
Manufactured using advanced dry carbon fiber technology for superior quality and performance:
- Ultra-lightweight construction for performance efficiency
- Exceptional rigidity and structural durability
- Precision 2x2 carbon weave for flawless consistency
- Gloss UV-resistant clear coat for long-term protection against fading, oxidation, and discoloration
CS-Style Aerodynamic Design
Engineered to deliver aggressive styling with OEM+ fitment:
- M5 CS-inspired rear diffuser design
- Pronounced aerodynamic fins for race-inspired styling
- Extended lower diffuser profile enhances rear-end depth
- Improves rear bumper aggression and visual width
Perfect for enthusiasts seeking a more exclusive, motorsport-focused rear-end appearance.
Precision Fitment – BMW F90 M5 LCI
Specifically designed for the BMW F90 M5 LCI platform:
- Fitment: BMW F90 M5 LCI (2021–2023)
- Requires LCI Rear Bumper
- Direct replacement for factory rear diffuser
- OEM+ fitment engineered for factory bumper contours
- Not compatible with Pre-LCI models
Key Features & Benefits
- Genuine dry carbon fiber construction
- CS-style aggressive rear diffuser design
- Lightweight performance-oriented upgrade
- Gloss UV-protected finish
- Enhanced rear-end width and depth
- Precision fitment for F90 M5 LCI
- Perfect for complete carbon exterior builds
Installation
Professional installation is strongly recommended. Test fitting prior to final installation is advised. Hardware is included.
Complete Your Build
Pair your rear diffuser with matching StradaWerks carbon fiber upgrades:
- Carbon Fiber Front Lip – BMW F90 M5 LCI
- Carbon Fiber Side Skirts – BMW F90 M5
- Carbon Fiber Rear Spoiler – BMW F90 M5
- Carbon Fiber Mirror Caps – BMW F90 M5
- Carbon Fiber Hood – BMW F90 M5
The StradaWerks Standard
StradaWerks components are engineered with precision fitment, premium materials, and performance-driven design. Every product is crafted to enhance both the visual presence and aerodynamic character of your vehicle.
Carbon Fiber Options
All products feature premium 2x2 carbon fiber weave as standard. Alternative finishes such as matte carbon, forged carbon, and 1x1 weave are available upon request through our custom product inquiry process.
Durability & UV Protection
Each component is finished with a high-grade UV-resistant clear coat to protect against fading, discoloration, and environmental wear for long-lasting gloss and durability.
Warranty
All products include a 30-day standard warranty covering manufacturing defects, fitment issues, and shipping damage. Warranty does not cover post-installation damage or improper use.
