New 4" Cold Air Intake System Kit w/Filter For 2019+ BMW M340i G20 G21 B58 3.0

Cold Air Intake System Kit for BMW M340i

This 4 inch cold air intake system kit with filter is designed for the 2019 and newer BMW M340i G20 G21 B58 3.0, replacing the restrictive factory airbox to feed more cool air into the engine.

Overview

This cold air intake system kit delivers a freer path for air into the B58 3.0 engine on the 2019 and newer BMW M340i G20 G21. The kit pairs a 4 inch intake tube with a high-flow filter, helping the turbocharged six-cylinder breathe more efficiently under load. It suits drivers who want a straightforward bolt-on intake for the BMW M340i without changing the rest of the setup.

Built For Performance

• 4 inch intake tube sizing matched to the B58 3.0 engine layout
• High-flow cone filter for improved airflow over the stock element
• Intake system kit designed as a direct replacement for the factory airbox
• Hardware included for a bolt-on install on 2019 and newer BMW M340i models
• Construction intended to hold up to repeated heat cycling in the engine bay

Fits These Machines

• for BMW M340i G20
• for BMW M340i G21
• for BMW M340i 2019 and newer with the B58 3.0 engine

On-The-Job Use

• Daily driving where sharper throttle response is wanted
• Spirited runs and track days with the B58 3.0 under sustained load
• Engine bay builds that need a clean, serviceable intake setup
• Routine maintenance where the filter can be cleaned and reused

Specs At A Glance

Good To Know

Q: Will this intake kit fit my 2019 and newer BMW M340i? A: It is built for the G20 and G21 M340i with the B58 3.0 engine, so confirm your chassis code and engine before ordering. A: Minor trimming or adjustment may be needed depending on the model year and options.

Q: Does the kit come with everything needed to install it? A: The intake system kit includes the intake tube, high-flow filter, and mounting hardware for a bolt-on install. A: Reuse of some factory fasteners may be required on certain models.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.