$595.00 USD
$595.00 USD




Upgrade your BMW's performance with the MAD F Chassis B58 Turbo Inlet Upgrade, specifically engineered for BMW F2X M140i, M240i, F3X 340i, and 440i models. Our state-of-the-art design significantly enhances airflow from the intake to the turbo, resulting in superior power output and turbocharger efficiency.
Key Features and Benefits:
Maximized Airflow for BMW B58 Engines: This turbo inlet upgrade is engineered to eliminate airflow restrictions and increase inlet diameter, ensuring smoother and more efficient air flow directly into your BMW's turbo.
High-Performance Direct Replacement: Effortlessly replaces the less efficient OEM unit, providing an immediate boost in your BMW's performance capabilities.
Aluminum Construction for Durability: Unlike the standard plastic OEM units, our high-quality aluminum inlet is built to withstand high pressure and resist aging, ensuring long-lasting performance.
Enhanced Engine Sound: By removing the factory resonator, this turbo inlet not only improves airflow but also increases induction noise, creating a more aggressive and enjoyable engine sound.
Sleek, OEM-style Appearance: Designed to blend seamlessly with your BMW's engine bay, maintaining a clean and professional look.
Compatibility with Various BMW Series:
BMW 1 Series: Compatible with 2015 and newer F20/F21 B58 M140i models.
BMW 2 Series: Fits 2017 and newer F22 F23 B58 M240i/iX models.
BMW 3 Series: Suitable for 2016-2019 F30 F31 F34 B58 340i/340iX models, including GT versions.
BMW 4 Series: Designed for 2016-2020 F32 F33 F36 B58 440i/440iX models.
Transform your BMW driving experience with the MAD B58 Turbo Inlet Upgrade. This isn't just an upgrade; it's a complete revolution in performance and sound for your BMW. Elevate your ride today!
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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.