BMW, Porsche, Audi, and Lamborghini Aftermarket Performance and Technology

After completing the major round of upgrades, as seen in Part 1, the newest N55 High-Pressure Fuel Pump XDI-HPFP-35 from Xtreme-DI was added to Alex's car. In collaboration with TTFS by Frank Smith, this upgraded HPFP provides a +36% flow capacity. Read More about the benefits of this increased flow here...