MST Cold Air Intake System - BMW / B48 / G20 / G22 / G23 / G26 / G42

⚠ 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. 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 Gains 8–10 Horsepower Gain +12 Nm Torque Gain 89mm Intake Pipe Diameter Key Features ✓BMW G-Chassis dedicated airbox ✓Compatible with stock MAF sensor ✓89mm intake piping ✓89mm high-flow dry air filter ✓Reusable & cleanable filter media ✓More aggressive intake sound ✓Enhanced blow-off valve tones ✓Improved turbo spool response ✓CNC machined aluminum components ✓Direct OEM replacement fitment Product Specifications Part Number BW-B4806 Brand MST Performance Pipe Diameter 89mm Filter Type Dry, High-Flow, Reusable Power Gain +8–10 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