$595.00 USD
$595.00 USD
















Enhance chassis rigidity and driving precision with our Black Market Race Carbon Fiber Strut Braces, designed for the BMW G42 M240, G20 M340, G22 M440, and A90/A91 Supra. These braces reduce flex, sharpen handling, and upgrade your engine bay giving you more clout .
With the huge success of our G8X Carbon Strut braces, we had numerous requests to do the same for the M lite and Supra chassis. Your call has been answered, we are keeping the same two finish options in both gloss and matte carbon. Hardware is slightly different between the two chassis options. Please reach out via email if you have already tapped your strut tower and with what size and we can get you the necessary hardware. Provided hardware is assuming no modification.
The M240/M340 also include 4 pieces from our best selling Low Profile Hardware Kit to get you started. If purchased together an automatic $50 dollar discount is applied at checkout.
This will not clear top mount turbos but will clear OEM & OEM placement airboxes, if your airbox is not designed to work with strut braces you will need to add spacers.
Built in the USA
Every set is CNC machined and manufactured in-house in St. George, Utah, ensuring precise fitment and unmatched quality.
REAL Carbon Fiber
Each set utilizes real 2x2 twill carbon tubes
Note : Actual hardware may differ from pictures depending on chassis selection.
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$595.00 USD
$595.00 USD
This product can expose you to chemicals such as lead and lead compounds, which are known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.
For a complete list of chemicals known to cause harm, visit https://www.p65warnings.ca.gov/chemicals.
Under the federal Clean Air Act (42 U.S.C. §7522(a)(3)), it is illegal to manufacture, sell, install, or use any part that defeats or alters a motor vehicle’s emission control system for use on public roads. Unless a product has received an Executive Order (EO) from the California Air Resources Board (CARB), it is not legal for use or installation on any pollution-controlled vehicle driven on public highways.
Some states have CARB-equivalent or independent emissions laws. Customers are responsible for verifying local regulations before purchasing or installing emissions-related products.
All performance, racing, or competition parts sold by this company are intended solely for off-road, closed-course, or competition use on vehicles that are never registered or used on public highways.
Kies Motorsports, LLC sells and markets these products for lawful use only. We do not condone or authorize the use of emission-control defeat devices or any modification that violates the Clean Air Act or state regulations.