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KARBONIUS COMPOSITES ROUNDEL STYLE CARBON INLET PLENUM INTAKE SYSTEM FOR E9X BMW M3

Name: KARBONIUS COMPOSITES ROUNDEL STYLE CARBON INLET PLENUM INTAKE SYSTEM FOR E9X BMW M3
SKU: 71353
Availability: InStock

SKU: N/A

Karbonius Composites

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OEM-quality fitment for precise installation.

Sourced from certified, top-tier automotive brands.

Karbonius Composites Roundel Style Carbon Inlet Plenum Intake System for E9X BMW M3

Karbonius Composites developed a complete carbon fiber intake solution for the S65 addressing BMW’s lack of an OEM carbon plenum akin to the S54 CSL air box to improve engine efficiency, induction sound, and under-hood aesthetics. The exclusive S65 Carbon Plenum and Intake System is engineered using advanced 3D and 2D analysis, each component the plenum, elbow, and air filter cover has been redesigned to optimize incoming airflow and reduce turbulence within the air box, contributing to measurable power gains. Beyond performance, the system delivers a striking motorsport appearance and a captivating induction note.

Features

S65-specific full carbon fiber plenum + intake
3D / 2D-engineered to reduce turbulence
Redesigned plenum, elbow, and filter cover
Optimized airflow for measurable power gains
Enhanced induction sound
Clean, motorsport engine-bay appearance

Specifications

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

What’s Included

Carbon inlet plenum
Carbon elbow
Carbon air box cover
BMC high flow air filter (check compatibility with your Filter cartridge)
Certificate of authenticity
Tools for installation

Applications

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

About Karbonius Composites

Karbonius Composites prioritizes uncompromising quality. Every component is produced in Spain from 100% prepreg 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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Product Size Guide

Please refer to the general size reference below to better understand how this product may fit into your space. Dimensions may vary slightly depending on the design and materials.

Category	Small	Medium	Large
Decor & Accessories	Up to 10″	10″ – 20″	20″+
Tables	Up to 30″	30″ – 60″	60″+
Seating	1 Seater	2–3 Seater	4+ Seater
Storage Units	Compact	Standard	Large Capacity
Lighting	Small Fixture	Standard Fixture	Large Fixture

Note: For exact product dimensions, please refer to the specifications section above. This guide is intended as a general reference only.

KARBONIUS COMPOSITES ROUNDEL STYLE CARBON INLET PLENUM INTAKE SYSTEM FOR E9X BMW M3

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KARBONIUS COMPOSITES ROUNDEL STYLE CARBON INLET PLENUM INTAKE SYSTEM FOR E9X BMW M3