IPOSMotosport B46/B48 Stage 1 High Pressure Fuel Pump Upgrade

Unlock the full potential of your BMW B46 or B48 engine with the IPOSMotorsport Stage 1 HPFP Upgrade. Designed specifically for high-performance and ethanol-fueled builds, this pump upgrade delivers increased fuel flow to support E85 and power levels beyond what the stock fuel system can handle.

This is a true plug-and-play solution, making it easy to upgrade without complex modifications. Whether you're targeting higher horsepower on pump gas or switching to full E85, this upgrade ensures reliable fuel delivery.

Fuel Pump Flow Comparison (cc/rev):

• HDP5 Evo (Stock B46/B58): 0.954

• HDP6 (Stock B48TU/B58TU): 1.178

• IPOSMotorsport Stage 1: 1.299

• IPOSMotorsport Stage 2: 1.558 (sold separately)

Key Features:

• Direct fit for all BMW B46 and B48 engines

• Supports full E85 and high horsepower applications

• Plug-and-play installation with supplied harness and hardware

• Compatible with Bootmod3 and MG Flasher tuning platforms

• Requires minimal bending of the OEM high-pressure fuel line for alignment

• Ideal for tuned vehicles or turbo upgrades requiring additional fuel volume

Kit Includes:

• IPOSMotorsport Stage 1 HPFP with installation hardware

• CNC-machined adapter plate

• Quick connect low-pressure fuel line

• Plug-and-play adapter wiring harness

• Alignment spacer tool for accurate installation

Installation Notes:

• Custom tuning is required to run this pump

• For Bootmod3 or MG Flasher users, select the “Dorch Stage 1/2” option in the software

• Slight adjustment to the fuel line may be needed for fitment