N54/N55 HPFP Overdrive Kit – Master Link Edition

Unleash more fueling capacity from your N54 or early N55 engine—without the expense or complexity of full port injection. The Master Link HPFP Overdrive Kit delivers over 35% more rail pressure while maintaining OEM reliability and packaging.

🚀 Key Benefits:

• Increases rail pressure by 35%+ for high horsepower builds

• Reduces VCV duty cycle by 15–20%, reducing strain on the fuel system

• Chain-only install – no crank hub removal or timing disassembly

• Compatible with Continental HPFP (OEM BMW pump)

• Retains factory DME control – no electronics or PI controller required

• Built for E85 blends, ethanol tuning, and high-boost street builds

• Precision-machined with race-tested durability
  

📦 What’s Included:

• CNC-machined overdrive sprocket

• Chain w/ Master link
  

🔧 Fitment:

• BMW N54 (135i, 335i, 535i, Z4)

• BMW early N55 models (non-electronic wastegate)

• Will not fit late-model F30/LCI N55 or S55

📎 Notes:

• Requires professional installation

• Designed for Continental HPFP only

• No tuning required, but data logging recommended after install

• Not compatible with Helix, Spool, or Dorch-style pump upgrades

🎥 Video Demo:

⚠️ Warranty Disclaimer:
Due to the nature of high-performance installs, we do not warranty engine damage. All components are inspected before shipping. For best results, use a licensed technician.