KARBONIUS COMPOSITES CARBON INLET PLENUM INTAKE SYSTEM FOR E9X BMW M3

Price range: $4,125.00 through $4,389.00

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OEM-quality fitment for precise installation.
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Karbonius Composites Carbon Inlet Plenum Intake System for E9X BMW M3

Karbonius Composites S65 intake system includes a carbon plenum, elbow, airbox cover, and air filter. Developed to address the absence of an OEM carbon plenum comparable to the S54 CSL airbox, the system enhances engine efficiency, induction sound, and engine-bay appearance. Engineered with advanced 3D and 2D analysis, the exclusive S65 Carbon Plenum and Intake System features redesigned components (plenum, elbow, and filter cover) to optimize incoming airflow and reduce turbulence inside the airbox for measurable power gains. Beyond performance, the package delivers a clean motorsport aesthetic and a distinctive induction note.

Features

  • Complete S65 kit
  • 3D / 2D-engineered to optimize airflow, reduce turbulence
  • Measurable power gains
  • Enhanced induction sound
  • Clean motorsport engine-bay appearance
  • Optional M and V8 badges

Specifications

  • Weight:
    • BMW OEM intake (air box + elbow): 6,677g
    • Karbonius intake (air box +elbow): 3,635g
  • Power Gains:
    • Karbonius S65 Air box: +9hp
    • Karbonius S65 Air box + Alpha-N mapping: +32hp

What’s included

  • Carbon inlet plenum
  • Carbon elbow
  • Carbon air box cover
  • BMC high flow air filter
  • Certificate of authenticity
  • Tools for installation

Applications

  • BMW M3: E90, E92, E93 (2007-2013)
    [S65 – 4.0L V8]

Notes

  • M and V8 badges are optional

About Karbonius Composites

Karbonius Composites prioritizes uncompromising quality. Every component is produced in Spain from 100% pre-preg carbon fiber and autoclave-cured, using meticulous hand layup by highly qualified technicians under rigorous quality controls. Confident in its manufacturing standards, Karbonius provides a 2-year warranty against manufacturing defects. With extensive composites experience and a global base of satisfied customers, the brand is committed to delivering exceptional products and customer satisfaction. Each piece is individually numbered to verify origin and authenticity.


pa_select-weave

2×2-twill-weave, 1×1-plain-weave

pa_select-finish

gloss, matte

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We want you to feel confident before making your purchase. Here are a few important details to help you better understand this product and how it fits into your space.

  • Please review the product dimensions carefully to ensure the right fit for your space
  • Color may vary slightly due to lighting and screen settings
  • Materials and finishes are selected for both durability and visual appeal
  • Some items may require simple assembly upon delivery
  • Perfect for both everyday use and long-term comfort

If you have any questions about this product, feel free to reach out to our support team. We're here to help you make the right choice.

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