Spool Stage 1 IFX350 DI Injectors +30% – BMW B46/B48 Gen 2

Spool Stage 1 IFX350 Direct Injectors increase BMW B46/B48 Gen 2 injector flow by approximately 30% over stock while targeting stock-like idle and low-load operation.

• 30% increased flow
• Capable of operation up to 390 bar
• Designed for upgraded Gen 2 direct-injection systems

Calibration changes are required before operation.

Dispatch: Special order — allow 2–3 weeks.

Supplier

Spool Performance

Product System

• Fuel System

Vehicle Fitment

• BMW 3 Series G20 B48
• BMW 3 Series G21 B48
• BMW 4 Series G22 B48
• BMW 5 Series G30 B48
• BMW 5 Series Touring G31 B48
• BMW X3 G01 B48
• BMW X4 G02 B48

Confirm chassis, engine, drivetrain and production-year compatibility before ordering.

Supplier Part Number

SP-INJ-B48B-S1

Built by Boost & Tune Support

BBT can assist with fitment review, installation, supporting modifications, configuration and calibration requirements where applicable.