The MST Cold Air Intake + Turbo Inlet Kit for the 2025+ BMW B58 Gen3 3.0L engine is a complete induction upgrade for your M240i, M340i or M440i. The high-flow intake and matched turbo inlet pipe feed cooler, less restricted air to the turbocharger for stronger throttle response, more power and a far more aggressive turbo sound.

🛑 NOT compatible with B58 Gen2 models — the factory turbo inlet pipe section was redesigned. This kit is for 2025+ B58 Gen3 vehicles only.

Features

* HDPE material airbox protects against heat soaking

* 152mm reusable high airflow filter

* Improved performance & better throttle response

* Inner golf-ball surface for optimised airflow

* Direct fit to stock vehicle — no remap required

* More aggressive turbo sound

* The engine air filter should be cleaned every 20,000 km of usage and replaced at 60,000 km of usage

Fits

* 2025+ BMW G42 M240i (B58 Gen3 3.0)

* 2025+ BMW G20/G21 M340i (B58 Gen3 3.0)

* 2025+ BMW G22/G23/G26 M440i (B58 Gen3 3.0)

Please make sure our product is compatible with your car before placing an order, if you have any questions please contact us. Due to variations in model years (especially transitional years) and regional specifications, we recommend sending us a photo of your engine bay for verification before purchasing.