Our G90 M5 Rear Diffuser redefines the rear-end aesthetic with bold, track inspired geometry and race grade functionality. Crafted from ultra light, prepreg carbon fiber, it offers a perfect balance of durability, weight reduction, and motorsport styling all with a high gloss finish that commands attention.

Designed using 3D scans of the G90 platform and validated through CFD testing, this diffuser integrates seamlessly with the factory rear bumper while improving aerodynamic efficiency. Sculpted fins and aggressive contours help manage airflow, reduce rear end lift, and add visual depth without compromising the M5’s refined design.

Whether you’re chasing downforce or dialing in a more aggressive look, the ADRO G90 M5 Rear Diffuser delivers both performance and presence in equal measure.

Key Features:

  • Prepreg Carbon Fiber Construction: Built from premium materials for maximum strength, reduced weight, and a flawless carbon finish.

  • Precision OEM Fitment: Engineered for perfect alignment with the G90 M5’s rear bumper no trimming or modifications required.

  • CFD Validated Aerodynamics: Optimized using Computational Fluid Dynamics to reduce drag and enhance high speed stability.

  • Aggressive Design Language: Deep fins and sharp cut lines give the rear profile a motorsport inspired edge.

Carbon Fiber Rear Diffuser Specifications

BMW G90 M5

SKU:

A14B30-1301

Compatible with: 

2025 G90 M5 

Material:

Prepreg (dry carbon fiber)

What’s in the box:

1 Carbon Fiber Rear Diffuser
Installation Hardware
3M AdhesiveTape

Version:

v1

Installation guide:

Coming Soon

ADRO: On the Road

Delivery & Returns

Delivery

Available to the lower 48 states.

Returns

Return unopened items within 30 days.

BMW G90 M5 Carbon Fiber Rear Diffuser

SKU: A14B30-1301

$2,450 USD

Shipping to the lower 48 states

  • Fitment guaranteed
  • Quality assured

Supported payment types:

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