$595.00 USD
$595.00 USD






The S55-powered BMW F8X platform is notorious for heat soak, especially during extended spirited driving or track use. While the ideal setup is pairing a front mount heat exchanger with an upgraded charge-air cooler, upgrading the heat exchanger alone still delivers a noticeable drop in intake air temperatures. The system’s biggest bottleneck is its ability to remove heat quickly — and that’s exactly where the RVNG High-Performance Heat Exchanger shines.
Designed as a true drop-in fit, our heat exchanger requires no modifications for installation. It works seamlessly with all OEM components, including quick-connect hoses, factory mounting brackets, the OEM X-brace, and all stock air ducting/shrouding. This makes it the perfect first step toward a more efficient and reliable S55 cooling system.
Thanks for subscribing!
This email has been registered!
$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.