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MST B48 Cold Air Intake — BMW 330i (G20, 2025); 430i (G26, 2025); 230i (G42, 2025) — US-Spec Only (BW-B4806)

Vendor: MST
SKU: BW-B4806
Product type: Intake
$535.70
Product subtotal: $535.70
Kies-Motorsports MST MST 2018-2025 BMW 330i G20 B48 2.0L Cold Air Intake System (BW-B4806) (*Only for U.S.-spec)
MST B48 Cold Air Intake — BMW 330i (G20, 2025); 430i (G26, 2025); 230i (G42, 2025) — US-Spec Only (BW-B4806)
$535.70

Vehicle Fitment

Part number: BW-B4806

Match every detail in the same row. Listed years follow the stated manufacturer or market basis; an engine code by itself does not confirm fitment. Where no full range is established, confirm the model year and engine-bay layout before ordering.

Vehicle Chassis Engine / specification Supported years Application details
BMW 330i G20 B48 2025 US specification only.
BMW 430i G26 B48 2025 US specification only.
BMW 230i G42 B48 2025 US specification only.

Requirements and exclusions

  • US-spec only; additional CNC components and a different silicone inlet hose. Not for non-US vehicles.
  • Please note that this system has slight differences compared to the Euro Spec (including additional CNC machining components and a different silicone inlet hose design). It will NOT fit non-U.S. specification vehicles.

Fitment requiring confirmation

  • MST title says 2018–2025 while its Fits section says 2025+. Non-US trims and G21 listed under a US-only heading need clarification; they are withheld.

Confirm fitment with Kies using your model year, engine, production date and a photo of the intake area when a restriction or unconfirmed application is listed.

+ 11

horsepower*

@ 6200 RPM
+ 13

Torque (Nm)*

@ 6200 RPM

🇺🇸 IMPORTANT: This Intake is Only for U.S.-spec Models

Please note that this system has slight differences compared to the Euro Spec (including additional CNC machining components and a different silicone inlet hose design). It will NOT fit non-U.S. specification vehicles.

Features

  • BMW G-Chassis dedicated air box
  • Compliant with stock MAF sensor
  • 89mm intake pipe
  • 89mm high flow air filter
  • Reusable dry air filter
  • Performance gains of 8-10hp & 12nm
  • More aggressive intake noises & blow-off valve sounds
  • Noticeable improvement in acceleration and turbo spool
  • The engine air filter should be cleaned every 20,000 km of usage and should be replaced at 60,000 km of usage
Installation Manual (BW-B4806)

⚠️ Please ensure our product is compatible with your car before placing an order.

If you have any questions, please contact us.

*Due to potential variations in model years (especially transitional years) and different regional specifications by country, we highly recommend contacting us and providing a photo of your engine bay for verification before purchasing to ensure accuracy.

Video Reviews & Installation

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