My Account Cart

- SHOP BY VEHICLE
- SHOP BY CATEGORY
- SHOP BY BRAND
EXTERIOR
- Bumpers
- Canards
- Covers
- Diffusers
- Exterior Trim
- Fenders
- Grilles
- Hoods
- Full Kits
- Lips
- Spoilers / Wings
SUSPENSION
BRAKES
WINGS
PERFORMANCE
EXHAUST
WHEELS
INTERIOR
MISCELLANEOUS

Karbonius Composites Carbon Front Strut Brace for G8X BMW M2 / M3 / M4 CSL

Karbonius Composites Carbon Front Strut Brace for G8X BMW M2 / M3 / M4 CSL

Karbonius Composites Carbon Front Strut Brace for G8X BMW M2 / M3 / M4 CSL

Price range: $2,995.00 through $3,115.00

-

Karbonius Composites G8X M4 CSL-style carbon strut brace, monobloc pre-preg, autoclave-cured with 6061 aluminum mounts, OEM-grade fit / finish, boosts chassis rigidity, and weighs 1.8kg vs 3.5kg OEM.

Select Finish

Select Weave

Select Mount Finish

Clear

Choose your payment option

Pay Deposit
Pay in Full

By submitting your payment, you agree to our terms and conditions.

Guaranteed Safe Checkout

SKU: N/A Categories: Suspension Systems, Strut Bars Vehicle: BMW, BMW 2 Series, BMW 3 Series, BMW 4 Series, BMW M2, BMW M3, BMW M4, BMW M4 CSL, Brand: Karbonius Composites

INQUIRE NOW

REQUEST SUPPORT

DESCRIPTION & INFO

Description

Additional Info

Shipping policy

BP PRICING DIFFERENCE

Reviews

Product Inquiry

Description

Karbonius Composites Carbon Front Strut Brace for G8X BMW M2 / M3 / M4 CSL

Karbonius Composites G8X M4 CSL-style strut brace enhances the sporting character of M cars while delivering exceptional chassis rigidity. Designed and manufactured in Spain under UNE-EN ISO 9001:2015, the brace is hand-laid from premium prepreg carbon and produced using advanced processes including 3D scanning, autoclave curing, and robotic cutting. A monobloc tubular construction eliminates unnecessary joints, and the precisely engineered layup incorporates three high-quality fabrics, including high-modulus unidirectional carbon. 6061 aluminum machined interfaces provide durable wear resistance at the chassis mounts. The result is an OEM-grade finish and fit with standout aesthetics at only 1.8kg a substantial reduction versus the 3.5kg OEM bar prioritizing true functional strength and rigidity over weight savings alone.

Features

Roughly half the weight of OE CSL and standard braces
Precise OE-level fitment with easy installation
100% prepreg carbon fiber construction
Monobloc tubular design for strength and rigidity
Individually numbered, exclusive component
2-year warranty

Applications

BMW M2: G87 (2022-present)
BMW M3: G80, G81 (2020-present)
BMW M4 CSL: G82 (2022-2023)

Notes

Instructions are not included. Professional installation is highly recommended.

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.

Additional Information

The Bulletproof Automotive website contains many thousands of products purchased in multiple different currencies. All of the prices are entered manually and accurately at the time of entry. Due to the consistently fluctuating international exchange rates, at times prices may not be able to be honored at their original intended rate. We apologize for any inconvenience this may cause, unfortunately our website is unable to compensate dynamically for what can at times be volatile changes in the cost of items due to currency values fluctuating, changes in prices from suppliers, changes in shipping and import duties, and other factors. Rest assured that any order you place on line will be at zero risk to you in this area. If in the event your order cannot be fulfilled at the original intended website price we will offer you a 100% refund, no questions asked. We will continue to do our best to maintain updated prices and we will always continue to offer our price match guarantees as well to ensure our prices are always the best for you. In short, prices may change without notice. It is always advised to give us a call prior to placing your order online to confirm availability and to confirm current pricing.

Shipping Policy

Items that are in stock in the US, either at Bulletproof’s warehouse or at a supplier’s warehouse, are generally delivered within 7-10 days. Special order items from overseas take considerably longer. As a courtesy Bulletproof offers delivery estimates to our customers which take into consideration manufacturer availability and shipping schedule. These estimates represent our best guess based on previous orders from the manufacturer and do not in any way imply a guaranteed delivery window. Many manufacturers work in a “just in time” inventory system and often take 2-20+ weeks to produce an item once an order is submitted. All deliverable items are then sent to our Japanese warehouse. Bulletproof ships a minimum of one full ocean freight container every month from Japan, oftentimes more than one a month. Ocean freight takes an average of 4 weeks. Typically it breaks down to one week in Japan for paperwork and customs, two weeks by boat and one week in US customs/clearance. Due to the wide number of variables between manufacturer and shipping schedules, delivery estimates are simply just that – estimates. We attempt to estimate conservatively and we usually deliver faster than our estimates suggest. It is not Bulletproof’s policy to guarantee delivery time of any special order item, this is impossible for us to do. By ordering you acknowledge that there is no required delivery ETA and an order may not be canceled or altered due to manufacturing or shipping delays, all ETA’s are provided as a best guess only. Please review the full Terms & Conditions here.

BP Pricing Difference

We do pricing a little differently on our JDM brands and we believe in making things simple and clear. No hidden fees or surcharges. Every price you see includes the shipping cost to our office in Los Angeles, California and all the associated taxes/duties/fees for bringing the products into the US. The only shipping you ever pay is from our facility in the US to your location. Be wary of resellers that don’t include the cost of international shipping in their pricing on JDM parts. While we believe we’ll always have the lowest all-in price on JDM products, we offer a price match guarantee for all authentic parts purchased from authorized dealers as well. For many international customers, it’s much more affordable to ship from the USA than from Japan directly, as the air freight and ocean freight costs are typically much less. However, for customers looking to ship directly from Japan outside of North America, or domestically in Japan, we can provide pricing specifically for that scenario. Please do not hesitate to contact us with any pricing questions or concerns. Please email us at sales@bulletproofautomotive.com with any inquiries.

Reviews

Reviews

There are no reviews yet.

Only logged in customers who have purchased this product may leave a review.

Product Inquiry

First Name (*required)

Last Name (*required)

Your E-Mail (*required)

Telephone Number (*required)

Country (*required)

Vehicle Year / Make / Model (*required)

Please Explain What do you want to do with your vehicle

Additional Information (optional)

I agree to the terms & conditions and privacy policy and to have Bulletproof Automotive LLC contact me for promotion, marketing and other purposes via email, phone or SMS message.

RELATED PRODUCTS

Elevated Driving Experience For Enthusiasts

SUBSCRIBE FOR OUR NEWSLETTER

Elevated Driving Experience For Enthusiasts

Stay up to date with the latest product releases, Bulletproof Automotive builds and more. Sign up for our newsletter to receive the most up to date information in the aftermarket tuning world, and bring your build to a whole new level.

BULLETPROOF BRANDS

VIEW ALL BRANDS WE STOCK