Mishimoto MMAI-G80-21 Performance Air Intake System for BMW G8X M3/M4 S58

The Mishimoto MMAI-G80-21 Performance Air Intake System is engineered specifically for 2021+ BMW G8X M2/M3/M4 models equipped with the 3.0L S58B30 engine. This patent-protected intake system (US Patent No. 11,506,157 B2) delivers a substantial reduction in intake restriction—up to 22.8 percent—unlocking increased power potential while maintaining safe operation on the stock ECU tune.

Key Features:

• Rotational-molded airboxes and intake tubes engineered for optimal airflow, superior rigidity, and maximum heat-soak resistance
• Additional fresh air ducts that draw cool air directly from the wheel wells for improved intake air temperatures
• CNC-machined aluminum connectors and passenger-side turbo inlet for enhanced flow, durability, and leak-free installation
• Washable oiled filters compatible with Mishimoto Filter Re-Oil Kit for long-term reusability
• Aggressive intake tone under acceleration with amplified turbocharger spool and bypass valve sounds
• Direct bolt-on fitment with installation in under 1 hour—no front bumper or undertray removal required

Precision-engineered using advanced 3D printing, CAD modeling, and flow bench testing technology, this performance intake system delivers measurable gains in both performance and driving experience. The complete kit includes everything needed for a straightforward installation with factory-quality fit and finish.