MST Performance Cold Air Intake – BMW M240i / 340i / 440i (F-Chassis) B58

OVERVIEW

The MST Performance Cold Air Intake replaces the restrictive factory airbox on the F-chassis B58 with a large 3.5" intake pipe, high-flow washable filter and heat shield for freer breathing and stronger response — no remap required.

SPECS

• 3.5" mandrel intake pipe
• High-flow washable/reusable lifetime filter (clean ~20,000 km, replace ~60,000 km)
• Aluminum heat shield
• Claimed gains up to ~+14–16 hp / +28 Nm; no tune required

PARTS INCLUDED

• Intake pipe
• High-flow cone filter
• Heat shield
• Mounting hardware

TECH RESOURCES

• Direct bolt-on — no tune required
• Not compatible with the F23 convertible
• Professional installation recommended

PART NUMBER

• BW-B5801

VEHICLE APPLICATIONS