Description
The MAD BMW S58 High Flow Turbo Inlets are engineered to unlock the full airflow potential of BMW’s S58 twin-turbo engine. Designed for performance-focused drivers, these CNC billet aluminum inlet pipes replace the restrictive factory units to improve airflow efficiency, turbo response, and overall engine performance.
Built for precision and durability, the inlets feature smooth internal transitions and optimized geometry to reduce turbulence before the turbochargers. This results in faster spool, sharper throttle response, and stronger mid-to-high RPM power delivery while maintaining OEM-level fitment and reliability.
These inlets are compatible with both stock intake systems and aftermarket intakes that retain the factory inlet connection size, making them a versatile upgrade for a wide range of builds.
Key Benefits
- CNC billet aluminum construction for maximum strength and heat resistance
- Smooth internal airflow design to reduce restriction and turbulence
- Improved turbo spool and throttle response
- Larger internal diameter for increased airflow efficiency
- Direct bolt-on installation using factory mounting points
- Compatible with stock intake systems and compatible aftermarket intakes using factory inlet sizing
- Ideal for stock vehicles and tuned performance builds
Performance Specifications
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
BMW F97 X3M S58 (LCI 2022+ only)
BMW F98 X4M S58 (LCI 2022+ only)
What’s Included
CNC billet aluminum high flow turbo inlet pipes
Required mounting provisions for straightforward installation
This MAD High Flow Turbo Inlet upgrade is designed to eliminate a known airflow restriction in the S58 platform, delivering measurable gains in turbo efficiency, sharper engine response, and improved overall performance while maintaining factory-like fitment.
