Spool BMW S58 Auxiliary Split Fuel System for Port Injection
Spool BMW S58 Auxiliary Split Fuel System for Port Injection
Complete auxiliary fuel system that separates the S58 direct-injection and port-injection fuel supplies for more stable, boost-referenced fueling at higher power levels.
- Independent direct-injection and port-injection fuel feeds
- Retains the OEM fuel-pump top hat using precision-machined adapter fittings
- Plug-and-play harness compatibility with the MOTIV ReFlex controller
- Dual Walbro 450 pumps supplied as standard
- Optional dual Walbro 525 configuration for higher fuel demand
- Triple-layer PTFE fuel plumbing with stainless reinforcement and nylon protection
- Compact boost-referenced fuel-pressure regulator
- OEM-friendly engine-bay and fuel-tank packaging
Important: Solid-state PWM relay harnesses are separate options. Confirm pump choice, port-injection controller, injector size and base fuel pressure with the tuner before installation.
Chassis: F97, F98, G80, G81, G82, G83, G87
Engines: S58
View compatible BMW ranges
M2, M3, M3 Touring, M4, X3 M, X4 M
View full year and variant fitment
2020-2024 | X3 M | F97 | X3 M — SUV — S58 — AWD
2020-2025 | X4 M | F98 | X4 M Competition — SUV Coupe — S58 — AWD
2020-2025 | X4 M | F98 | X4 M — SUV Coupe — S58 — AWD
2021-2026 | M3 | G80 | M3 CS — Sedan — S58 — AWD
2021-2026 | M3 | G80 | M3 Competition xDrive — Sedan — S58 — AWD
2021-2026 | M3 | G80 | M3 Competition — Sedan — S58 — RWD
2021-2026 | M3 | G80 | M3 — Sedan — S58 — RWD
2021-2026 | M4 | G82 | M4 CS — Coupe — S58 — AWD
2021-2026 | M4 | G82 | M4 CSL — Coupe — S58 — RWD
2021-2026 | M4 | G82 | M4 Competition xDrive — Coupe — S58 — AWD
2021-2026 | M4 | G82 | M4 Competition — Coupe — S58 — RWD
2021-2026 | M4 | G82 | M4 — Coupe — S58 — RWD
2021-2026 | M4 | G83 | M4 Competition xDrive Convertible — Convertible — S58 — AWD
2023-2026 | M2 | G87 | M2 — Coupe — S58 — RWD
2023-2026 | M3 Touring | G81 | M3 CS Touring — Touring — S58 — AWD
2023-2026 | M3 Touring | G81 | M3 Competition xDrive Touring — Touring — S58 — AWD
PROFESSIONAL FITTING AVAILABLE
Need M Lab by Boost & Tune to install this?
Have this part professionally fitted, checked and configured by our BMW performance workshop.
Product: Spool BMW S58 Auxiliary Split Fuel System for Port Injection
Workshop installation in Albion, Victoria
Vehicle compatibility
Fits these BMW platforms
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