MST Air Intake + Turbo Inlet Kit for BMW M240i M340i M440i B58

Features

• HDPE material airbox protects against heat soaking
• 152mm reusable high airflow filter with 6" intake tube
• Improved performance & better throttle response
• Inner golf-ball surface for optimized airflow
• Direct fit to stock vehicle and no need to remap
• Enlarged diameter design (fits OEM & Hybrid turbos: Needs to confirm the turbo specifications before ordering)
• More aggressive turbo sound
• The engine air filter should be cleaned every 20,000 km of usage and should be replaced at 60,000 km of usage

Fits

• BMW G42 M240i
• BMW G20/G21 M340i
• BMW G22/G23/G26 M440i

This intake is NOT compatible with 2025+ B58 Gen3 models (M340i / M440i) due to a redesigned factory turbo inlet pipe section.

*M240i models are NOT affected and remain fully compatible.