MST Performance Cold Air Intake (Open-Type) + Turbo Inlet – BMW M240i / M340i / M440i (G20/G42/G22) B58

OVERVIEW

The MST Performance open-type Cold Air Intake bundled with the matching turbo inlet pipe for the G-chassis B58 M240i, M340i and M440i. The 4" intake pipe and high-flow dry cone filter feed cooler air to the turbo, while the enlarged turbo inlet smooths airflow into the compressor for stronger response and an aggressive induction note.

SPECS

• 4" enlarged black powder-coated intake pipe
• 4" high-flow dry cone air filter — clean ~20,000 km, replace ~60,000 km
• Enlarged turbo inlet pipe
• Black powder-coated heat shield
• Claimed max gains ~15–20 hp; direct fit, no tune required

PARTS INCLUDED

• 4" intake pipe
• 4" high-flow dry cone filter
• Turbo inlet pipe
• Heat shield
• Mounting hardware

TECH RESOURCES

• Direct bolt-on — no tune required
• Includes the turbo inlet; also available as the intake only: MST Cold Air Intake (Open-Type).
• Not compatible with 2025+ B58 Gen3 engines (redesigned turbo inlet piping)
• Not CARB compliant; for off-road / racing use only
• Professional installation recommended

PART NUMBER

• BW-B5802L

VEHICLE APPLICATIONS