MST B48 Cold Air Intake — BMW 330i (G20, 2025); 430i (G26, 2025); 230i (G42, 2025) — US-Spec Only (BW-B4806)
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.
horsepower*
@ 6200 RPMTorque (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
⚠️ Please ensure our product is compatible with your car before placing an order.
If you have any questions, please contact us.