Spool Stage 3 Low-Pressure Fuel Pump – BMW B46/B48
Spool Stage 3 LPFP for BMW B46/B48 is a twin-pump low-side fuel upgrade designed for high-output gasoline and ethanol-fuel applications.
- Secondary pump activates under demand
- Designed for significantly increased low-side flow
- Suitable for high-output E85 builds
Core options: send your own bucket for build, choose the bucket trade-in option with refundable core deposit included in the selected price, or purchase a new-bucket build.
Fitment: supplier-listed F-series B46/B48 2/3/4 Series applications. Confirm VIN before ordering.
Dispatch: own-core builds require additional workshop turnaround; other configurations are special order.
Product System
- Fuel System
Vehicle Fitment
- BMW 2 Series F22 B46 B48
- BMW 3 Series F30 B46 B48
- BMW 4 Series F32 B46 B48
- BMW 4 Series F33 B46 B48
- BMW 4 Series Gran Coupe F36 B46 B48
Confirm chassis, engine, drivetrain and production-year compatibility before ordering.
Available Options
Core Option
- Send in own core to be built
- Bucket trade-in – refundable core deposit included
- New bucket build
Supplier Part Numbers
SP-B58-LPDI-3-OWN, SP-B58-LPDI-3-TRADE, SP-B58-LPDI-3-NEW
Built by Boost & Tune Support
BBT can assist with fitment review, installation, supporting modifications, configuration and calibration requirements where applicable.