The Go-To High-Pressure Fuel Pump for Pushing Your B58 to Stage 2+
When you start demanding real power from the B58 — heavier boost, ethanol blends, and higher torque targets — the factory high-pressure pump quickly becomes the limiting factor. This HPFP upgrade is the proven solution for anyone taking their B58 to Stage 2+ and beyond, offering the flow, stability, and reliability the platform needs.
💪 Key Gains
• 350 bar continuous rail pressure
A massive +75% increase over stock, ensuring stable fuel pressure even under sustained high boost.
• 10% larger plunger
Translates into 10% more fuel per stroke, supporting higher torque and cleaner top-end power.
• Strengthened internals
Built to handle aggressive tuning, ethanol content, and long-term high-load use.
• Direct-fit installation
No wiring, no line modifications — simply bolt in and go.
• Ideal for B58 Gen 1 → TU conversions
Perfect for setups transitioning to TU-style fueling for better headroom and consistency.
📈 Why It Matters
This pump maintains consistent, reliable fuel delivery under heavy boost pressure, high RPM, and ethanol tunes — all while preserving OEM-level smoothness, drivability, and long-term reliability. No hesitation, no fuel cuts, no compromise.
Compatible Models
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M140i
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M240i
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340i
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440i
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540i
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M40i
…and other B58 platforms.
🔗 Available now at Haz Motorsport
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