Dorch Engineering Gen1 DS25 HPFP Upgrade - F Chassis - B58

Product Details

When it comes to track-proven performance and maximizing the efficiency of your BMW, proper fueling is everything. The Dorch Engineering DS25 HPFP Upgrade for the Gen 1 B58 engine is the definitive hardware upgrade for enthusiasts looking to safely extract maximum performance from their powerplants. Designed to eliminate the primary bottleneck in the B58 fueling system, the DS25 increases flow capacity by 37% over the stock unit. This allows you to run aggressive ignition timing and higher boost levels with complete peace of mind, whether you're chasing lap times or dialing in a high-horsepower street setup. This is a highly engineered, direct-fit solution that maintains full factory DME control, ensuring your BMW behaves like a civilized daily driver until you drop the hammer.

Key Features

• Engineered to withstand sustained high-RPM use and eliminate fuel starvation under heavy load.

• Overcomes the limitations of the factory pump to support higher boost pressures and ethanol mixtures.

• Integrates perfectly with factory electronics, requiring only standard tuning software adjustment for flawless operation.

• Utilizes factory mounting locations and plumbing for a highly reliable, straightforward installation.

• Provides the necessary fuel volume directly through the direct injection system, avoiding the complexity of port injection.

Specifications

• Brand: Dorch Engineering

• Part Number: DE-581-25A

• Engine Generation: B58 Gen 1 (e.g., F30, F32, F22)

• Pump Model: DS25

• Flow Increase: 37% over OEM Gen 1 pump

• Installation: Requires specific tuning software calibration (e.g., Bootmod3, MHD) for operation

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