$595.00 USD
$595.00 USD












RVNG Performance Heat Exchanger – 2021+ BMW G8X M2 / M3 / M4
Maximize your S58’s performance with the RVNG Performance Heat Exchanger for the 2021+ BMW G8X M2, M3, and M4. Designed to handle the intense heat generated by high boost and aggressive driving, this upgrade ensures your charge air stays cool, consistent, and ready for whatever you throw at it.
Built from the ground up with no compromises, our heat exchanger ditches all factory plastic components in favor of fully TIG-welded aluminum end tanks, a high-efficiency core, and CNC-machined ports for strength and longevity. Reinforced strutted tubes prevent flexing or bowing under hard cornering, keeping the system performing at its best no matter the conditions.
With a 23% increase in core volume and 44% more external fin surface area, RVNG’s dual-pass, louvered fin design dramatically improves cooling efficiency over stock—making it the ideal upgrade for both street and track builds.
Engineered for seamless fitment with factory components, this heat exchanger is designed to work with both automatic and manual transmission models. For added durability, we include steel rock guards to protect against debris and road hazards.
Built to kill competition! RVNG’s Performance Heat Exchanger keeps your G8X cool when it matters most.
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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.