Unlock the true potential of your BMW 3-Series B58 with the Bosch 0261520520 high-pressure fuel pump — the same HDP-6 unit found in the higher-output B58TU and A90 Supra. This pump is the most trusted OEM-grade upgrade for Gen 1 B58 engines and a proven solution for supporting more power.
Supports up to ~600 WHP on pump gas
450–525 WHP on E30/E40 ethanol blends
Direct bolt-on upgrade for BMW 340i / 340i xDrive (B58 Gen 1)
OEM Bosch quality and long-term reliability
Ideal for Stage 2+, hybrid turbos, and big-turbo B58 builds
Ethanol-ready: perfect for E-blend tuning
Higher pressure capability (up to ~350 bar)
| Weight | 4 lbs |
|---|---|
| Dimensions | 10 × 6 × 4 in |