$595.00 USD
$595.00 USD






Upgrade from your stock intercooler to the MAD stepped core intercooler for maximum performance and reliability!
Upgrade your BMW's performance and reliability with the MAD BMW E Chassis 5" HD Intercooler N54 N55 135 1M 335 X1 (Stepped Core). Are you tired of your stock intercooler's limitations? The small and inefficient stock BMW intercooler simply cannot keep up with the high boost levels that your tuned car targets. It's time to unleash the true potential of your BMW by installing our MAD 5" intercooler.
Designed with performance in mind, our MAD intercooler ensures that your intake air temperature remains under control, enabling your BMW to perform at its best in all conditions. Equipped with a high fin density core and a stepped core design, our intercooler maximizes the cooling area and enhances overall cooling efficiency. With dimensions of 21"x8.5"x5" and weighing only 22lbs, it's the perfect cooling solution for stage 1 applications.
Not only does the MAD BMW intercooler offer superior performance, but it's also designed for convenience and compatibility. It serves as a direct stock replacement, requiring no cutting during installation. You can trust in the high-quality stepped core, backed by a lifetime warranty against defects and fitment issues. Additionally, we provide a 90-day return period for your peace of mind.
Ordering your MAD BMW 5" intercooler is hassle-free. We strive for prompt delivery, with all orders shipping in just 1-2 business days. Whether you have a rear-wheel-drive or an X-drive model, our intercooler fits perfectly. It's compatible with both stock and aftermarket charge pipes, allowing for easy integration into your BMW's existing setup.
Experience the difference of upgrading to the MAD BMW E Chassis 5" HD Intercooler. Unlock the true potential of your BMW, enjoy improved performance, and maintain the ideal intake air temperature for maximum power. Don't settle for subpar cooling—upgrade today!
Fitment: (E chassis Only)
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.