$595.00 USD
$595.00 USD
























The MMX G8X Ultimate Intake Solution is the complete airflow upgrade package for the BMW G8X M2, M3, and M4, combining the MMX S58 Turbo Inlet Elbow Set, the MMX Intake Pipe Set, and the MMX cotton panel filters into a single, comprehensive bolt-on kit that addresses every meaningful airflow restriction between the OEM airbox and the S58 turbochargers.
Each component is engineered to do one job exceptionally well. The 6062-T6 aluminum turbo inlet elbows replace the factory plastic elbows with a smoother, more consistent internal profile (70mm and 63mm geometry) for higher-velocity flow into the turbos. The constant-diameter aluminum intake pipes (88mm OD / 84mm ID) eliminate the corrugation and step changes built into the factory plastic pipework. The high-flow cotton panel filters are 20-micron, washable, and reusable, designed to flow significantly more air than OEM paper while maintaining filtration integrity. Together, the three components transform the entire intake tract from filter to turbo into a high-performance airflow system.
On the road, drivers experience sharper throttle response, faster turbo spool, more aggressive induction sound, and a measurable improvement in airflow capacity at high boost, particularly noticeable on tuned cars where stock airflow becomes a real bottleneck. Whether you're running stock, OTS, or fully built, this is the airflow package that lets the S58 breathe at its full potential.
This is the most thorough intake upgrade MMX offers for the G8X platform, engineered as a system, not a collection of parts.
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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.