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Karbonius & INDIV Carbon Fiber Engine Bay Upgrades for BMW G90/G99 M5

14th Apr 2026

Karbonius G90 / G99 M5 Carbon Fiber Strut Brace Set

Order Link: https://x-ph.com/karbonius-g90-g99-m5-carbon-fiber-strut-brace-set/

The Karbonius BMW G90 / G99 M5 Carbon Fiber Strut Brace Set is a premium chassis reinforcement upgrade designed to improve structural rigidity, reduce weight, and enhance front-end handling performance. Engineered and manufactured in Spain, this system delivers a precise balance of lightweight construction and high-strength materials tailored specifically for the latest BMW M5 platform.

This strut brace replaces the factory unit with a high-strength carbon fiber assembly that significantly reduces weight while maintaining structural integrity. The factory BMW brace weighs approximately 1.68 lbs, whereas the Karbonius carbon fiber version weighs just 0.58 lbs, resulting in a substantial reduction in front-end mass that contributes to improved steering response and chassis feel.

Constructed using a 2x2 carbon fiber weave, the brace is available in both gloss and matte finishes to suit different engine bay aesthetics. The design integrates precision-machined aluminum hardware for secure mounting and long-term durability under performance driving conditions.

Engineered for OEM-style installation, this strut brace mounts directly to factory points with no permanent modifications required, ensuring a clean and reversible upgrade. It is designed to improve chassis stiffness across the front suspension towers, resulting in sharper handling, increased stability, and improved feedback during dynamic driving.

Key Features

  • Lightweight carbon fiber strut brace set for BMW G90 / G99 M5
  • Manufactured in Spain with precision aluminum mounting hardware
  • 2x2 carbon fiber weave construction for strength and aesthetics
  • Available in gloss or matte finish options
  • Reduces weight from 1.68 lbs (OEM) to 0.58 lbs (Karbonius)
  • Improves chassis rigidity and front-end stability
  • Enhances steering response and handling precision
  • Direct OEM mounting point installation
  • No permanent modifications required
  • Designed for performance street and track use

Fitment / Vehicle Applications

  • BMW G90 M5
  • BMW G99 M5 Touring

Notes

  • Designed for performance-focused street and track applications
  • Professional installation is recommended for optimal fitment and alignment

Karbonius G90 / G99 M5 Carbon Fiber Engine Cover Kit

Order Link: https://x-ph.com/karbonius-g90-g99-m5-carbon-fiber-engine-cover-kit/

The Karbonius BMW G90 / G99 M5 Carbon Fiber Engine Cover Kit is a premium OEM+ engine bay upgrade designed to deliver exceptional craftsmanship, precise fitment, and high-end aesthetics. Manufactured in Spain by Karbonius, this kit reflects full in-house production control, from 3D scanning and tooling to carbon layup, autoclave curing, and final finishing.

Constructed from 100% pre-preg (dry) carbon fiber, each component is autoclave-cured to achieve superior strength, reduced weight, and a flawless surface finish. This advanced manufacturing process ensures consistent quality, structural integrity, and a refined appearance that stands apart from standard aftermarket carbon fiber products.

The kit is engineered specifically for the latest BMW M5 platform, offering precise OEM-level fitment through integrated mounting tabs. It installs cleanly using factory mounting points, delivering a seamless upgrade that enhances the engine bay without compromising factory design language.

Available in both 2x2 twill gloss and matte clear finishes, the Karbonius engine cover kit complements the modern BMW M aesthetic while providing a distinctive, high-performance look. The design incorporates red accent styling and is built to accept the OEM “M” emblem for a complete factory-inspired appearance.

Each kit includes a Certificate of Authenticity and is backed by a 2-year warranty, reflecting Karbonius’ commitment to quality and craftsmanship.

What’s Included

  • Carbon fiber engine cover with red accent styling (OEM “M” emblem not included)
  • Left and right carbon cowl panel set
  • Left and right carbon engine cover extension set
  • Integrated mounting provisions for OEM-level fitment

Key Features

  • Manufactured by Karbonius with full in-house production control
  • 100% pre-preg carbon fiber construction
  • Autoclave-cured for strength, weight reduction, and surface quality
  • Precision 3D scanned and engineered for exact fitment
  • Robotic trimming and in-house clear coating for consistent finish
  • Available in 2x2 twill gloss or matte finish
  • OEM-style installation with integrated mounting tabs
  • Designed to accept factory BMW “M” emblem
  • Certificate of Authenticity included
  • Backed by a 2-year warranty
  • Designed and manufactured under UNE-EN ISO 9001:2015 standards

Fitment / Vehicle Applications

  • BMW G90 M5 (Sedan)
  • BMW G99 M5 (Touring)

Installation Note

  • Requires transferring the OEM “M” emblem from the original factory engine cover to complete installation
  • Direct-fit installation using factory mounting points; no permanent modifications required

Indiv G9X M5 Carbon Cooling Shroud Cover

Order Link: https://x-ph.com/indiv-g9x-m5-carbon-cooling-shroud-cover/

The Indiv Carbon Fiber Cooling Shroud Cover for the BMW G90 / G99 M5 is a premium engine bay upgrade designed to enhance both aesthetics and performance. Constructed from high-quality pre-preg carbon fiber, this component delivers a refined OEM+ appearance while significantly reducing weight compared to the factory metal cooling plate.

Engineered as a direct replacement, this carbon shroud integrates seamlessly with existing mounting points, allowing for a clean and straightforward installation. The construction uses a thicker carbon fiber layup than many aftermarket alternatives, resulting in improved rigidity, durability, and a more solid overall feel.

Designed to match BMW’s factory carbon components, the 2x2 twill weave closely mirrors OEM M Performance carbon fiber in both pattern and scale. Available in both gloss and matte finishes, it complements a wide range of engine bay styling setups while maintaining a cohesive factory-inspired look.

In addition to visual improvements, this upgrade delivers substantial weight savings, reducing approximately 6.36 lbs from the front of the vehicle. This represents an estimated 90.34% reduction compared to the factory metal component, contributing to improved overall performance and weight distribution.

Key Features

  • Pre-preg carbon fiber construction for strength and lightweight performance
  • Direct replacement for factory metal cooling shroud
  • Thicker carbon construction for enhanced rigidity and durability
  • 2x2 twill weave designed to match OEM BMW carbon fiber components
  • Available in gloss or matte finish
  • Seamless integration with factory mounting points
  • Simple and straightforward installation
  • Weight savings of approximately 6.36 lbs
  • Approximately 90.34% lighter than OEM component
  • Enhances engine bay aesthetics with OEM+ appearance

Fitment / Vehicle Applications

  • BMW G90 M5 (Sedan)
  • BMW G99 M5 (Touring)

Notes

  • Designed to pair seamlessly with OEM BMW M Performance carbon fiber components
  • Professional installation recommended for best alignment and finish