U.S. Spec Only This intake is designed specifically for U.S.-spec vehicles. It features additional CNC machining and different silicone couplers compared to Euro-spec. Please confirm your vehicle specification before ordering. Contact us if you’re unsure.MST Items can take up to 4 weeks to fulfill due to demandOverview
The MST BW-B4806 is a purpose-built cold air intake system engineered for the BMW G20/G21 330i and related B48 2.0L chassis. Featuring a G-Chassis dedicated airbox design, 89mm intake piping, and a reusable high-flow dry filter, this kit delivers measurable power gains while enhancing the intake and turbo spool sounds your B48 is capable of producing. Fully compatible with your OEM MAF sensor; no additional modifications required.
Performance Gains810Horsepower Gain+12Nm Torque Gain89mmIntake Pipe DiameterKey FeaturesBMW G-Chassis dedicated airboxCompatible with stock MAF sensor89mm intake piping89mm high-flow dry air filterReusable & cleanable filter mediaMore aggressive intake soundEnhanced blow-off valve tonesImproved turbo spool responseCNC machined aluminum componentsDirect OEM replacement fitmentProduct Specifications
| Part Number |
BW-B4806 |
| Brand |
MST Performance |
| Pipe Diameter |
89mm |
| Filter Type |
Dry, High-Flow, Reusable |
| Power Gain |
+810 HP |
| Torque Gain |
+12 Nm |
| MAF Sensor |
OEM compatible no modification required |
| Material |
CNC aluminum & silicone couplers |
| Filter Service |
Clean every 20,000 km Replace at 60,000 km |
| Spec |
U.S.-spec vehicles only |
Vehicle FitmentB48 2.0L Engine G20 / G21 G26 G42 20182025 U.S. Spec Only
| Year Range |
Model |
Chassis |
Engine |
| 20182025 |
320i / 330i |
G20 / G21 |
B48 2.0L |
| 20192025 |
420i / 430i |
G26 |
B48 2.0L |
| 20212025 |
220i / 230i |
G42 |
B48 2.0L |
* Not compatible with Euro-spec vehicles. If you’re unsure of your vehicle’s spec, contact us before ordering.
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