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.

ETA: April 2026

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 construction
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.

Vehicle fitment

BMW G80 M3 S58
BMW G8x M4 S58
BMW G87 M2 S58
BMW F97 X3M S58 (LCI 2022+ Only)
BMW F98 X4M S58 (LCI 2022+ Only)

What is included

CNC billet aluminum high flow turbo inlet pipes
Required mounting provisions for a straightforward install

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. A must have upgrade for anyone pushing their S58 harder while maintaining reliability and clean engine bay aesthetics.