MST Performance MST Performance X3/X4 B58 Air Intake System BW-X301

MST Performance X3/X4 B58 Air Intake System

By replacing the factory air intake systems, airflow is increased and overall temperatures are reduced. This intake features a unique design to allow for improved throttle response as well as an improved engine note. This intake system utilizes a heat shield that will help block the hot engine air, allowing the intake to deliver cooler, denser air.
MST Performance MST Performance
T#: 2393391 | Part#: BW-X301
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For 2018-2021 BMW X3/X4
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MST Performance MST Performance X3/X4 B58 Air Intake System BW-X301
MST Performance X3/X4 B58 Air Intake System
$463.99

By replacing the factory air intake systems, airflow is increased and overall temperatures are reduced. This intake features a unique design to allow for improved throttle response as well as an improved engine note. This intake system utilizes a heat shield that will help block the hot engine air, allowing the intake to deliver cooler, denser air. It includes all of the necessary hardware for install, making it a smooth and swift process. 

  • Delivers cold air to your turbo charger

  • Improved throttle response

  • More aggressive and sporty induction sound

  • Black powder-coated inlet pipe and heatshield

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

Not for sale or use in the state of California on any pollution-controlled vehicle as per the California Air Resources Board.


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Products protected by our Lifetime Replacement Program are covered for as long as you own the product, no need to worry about an expiration date. Purchase your products and enjoy some worry-free motoring, knowing we've got you covered.

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MAKE MODEL SUBMODEL ENGINE Special Fitment Notes
BMW G01 X3 M40i B58 3.0L Use vehicle selector to confirm fitment
BMW G02 X4 M40i B58 3.0L Use vehicle selector to confirm fitment
*The above product applications have been written by Turner Motorsport. All warranties, product application, fitment, and performance are the responsibility of Turner Motorsport. For additional information see the terms of use.