Unleash the full airflow potential of your BMW S58 engine with the MAD High Flow Turbo Inlets. Designed for performance-focused enthusiasts, these CNC billet inlet pipes replace the restrictive factory units to improve airflow, turbo response, and overall efficiency. Whether you are running the stock intake or an aftermarket intake that uses the factory connection size, these inlets are a direct fit.
Precision machined from solid billet aluminum, the MAD S58 High Flow Inlets feature smooth internal transitions and optimized geometry to reduce turbulence before the turbochargers. This results in faster spool, improved throttle response, and stronger mid to high RPM performance without sacrificing reliability or fitment.
Key benefits
CNC billet aluminum flanges
Machined from high-quality billet aluminum for strength, heat resistance, and smooth unrestricted airflow.
Improved airflow and turbo response
Larger internal diameter and optimized design reduce intake restriction, helping the turbos spool quicker and breathe more efficiently.
Direct bolt-on installation
Designed to install without modification using factory mounting points and hardware locations.
Stock and aftermarket intake compatible
Fits the factory intake system and aftermarket intakes that retain the stock inlet connection size.
Ideal for stock or upgraded setups
Perfect for stock turbo vehicles and works seamlessly with tuned setups looking for improved airflow efficiency.
Performance specs
Bank 1
Turbo side: 54mm (OEM 45mm)
Inlet: 67mm (OEM 65mm)
Bank 2
Turbo side: 54mm (OEM 45mm)
Inlet: 57mm (OEM 54mm)
Vehicle fitment
BMW G80 M3 S58
BMW G82 M4 S58
BMW G87 M2 S58
â ï¸ IMPORTANT
Remove the factory turbo inlet O-ring from the turbo before installing the MAD inlets.
Failure to remove the factory O-ring can result in improper installation and potential turbocharger damage.
What’s included
CNC billet aluminum high flow turbo inlet pipes
Required mounting provisions for straightforward installation
If you are looking to remove a known airflow bottleneck on the S58 platform, the MAD High Flow Turbo Inlets deliver measurable performance gains, sharper response, and OEM-level fitment with aftermarket performance benefits.
