B58 Gen1 DS25 HPFP Upgrade

The B58's factory high-pressure fuel pump taps out around 500whp, starving your engine when you need fuel delivery most. The DS25 delivers 2.5x the factory flow rate, supporting hybrid turbo builds and aggressive tunes without fuel cuts.

This isn't just about peak numbers—it's about consistent rail pressure under load, eliminating the lean conditions that kill motors when you're pushing the B58's single turbo hard.

Performance Gains

The DS25 maintains rail pressure above 200 bar even at peak demand, where the factory pump starts falling behind around 180 bar. You'll hold higher boost through the entire powerband without pulling timing for fuel delivery issues. Expect smoother power delivery on aggressive tunes and the headroom to support hybrid turbo setups that would otherwise overwhelm the stock fuel system. The B58's direct injection precision remains intact—you're just feeding it properly.

Fitment

B58 (2015-present): G20 M340i, G29 Z4 M40i, F40 M135i, G05 X5 40i, G01 X3 M40i, A90 Supra

Installation & Supporting Mods

Professional installation recommended. The DS25 mounts under the intake manifold on the driver side—accessible but not a quick weekend job. This is a chain-only install with no crank hub removal or timing disassembly needed, which keeps the complexity manageable for experienced techs.

Install video guides are available online to walk through the process step-by-step. For install questions during business hours, text 813.252.1025 for real-time support from our build team.

Need help planning your build or stuck mid-install? Text us at 813.252.1025 — we will walk you through it.

Shipping

Free shipping to the lower 48 states. International shipping available — contact us for a quote.