Spool Stage 3 Low-Pressure Fuel Pump – BMW B58 Gen 1

Spool Stage 3 Low-Pressure Fuel Pump for BMW B58 Gen 1 is a fully built drop-in twin-pump assembly for higher-output direct-injection builds.

• Twin-pump low-pressure fuel system
• E85 compatible
• Supplier states support for more than 1000whp of low-side fuel delivery
• Secondary-pump activation harness included
• 10 psi Hobbs switch included where the applicable Spool wiring configuration is supplied

Core option: Spool currently offers three purchase routes: send your own core to be built, bucket trade-in with a refundable core deposit, or a new bucket build.

Fitment: BMW B58 Gen 1 F-chassis applications including M140i, M240i, 340i and 440i models listed by Spool.

Core logistics: The Built by Boost & Tune checkout shipping rate covers delivery of the completed product to the customer. Any customer core freight required for a send-in or trade-in transaction is arranged separately. Core refunds are subject to acceptable returned-core condition and completion of the supplier core process.

Dispatch: Special order — allow 3–5 weeks; core-dependent configurations may take longer.

Product System

• Fuel System

Vehicle Fitment

• BMW 1 Series F20 Lci B58
• BMW 1 Series F21 Lci B58
• BMW 2 Series F22 Lci B58
• BMW 2 Series F23 Lci B58
• BMW 3 Series F30 Lci B58
• BMW 3 Series F31 Lci B58
• BMW 3 Series Gt F34 B58
• BMW 4 Series F32 Lci B58
• BMW 4 Series F33 Lci B58
• BMW 4 Series Gran Coupe F36 Lci B58

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-CORE, 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.