The FPD-R (Fuel Pulse Damper-Range) and FPD-XR (Fuel Pulse Damper-Extra Range) both have unique base "static" fuel pressure requirements:FPD-R base pressure requirement = 40 - 70psi (static)FPD-XR base pressure requirement = 40 - 105psi (static)Base pressure is the fuel pressure measured when the fuel pump is running WITHOUT a vacuum line connected to the regulator

Rounding out the Cooling Essentials Bundle is Mishimoto's racing thermostat for the E46 3-series

It is YOUR OWN RESPONSIBILITY AND RISK to ensure that your Garrett Performance Kit fits your vehicle and area of application

Additional Accessories (Sold Separately)

GTX and GT turbine housings are not interchangeable

Powerflex Polyurethane Suspension Bushings, BMW E46 Non-M Diagram Reference - Bushing Type:1 - Front Control Arm Bushing - 66 mm - Street The FPD-R (Fuel Pulse Damper-Range)Powerflex Upgraded Polyurethane Suspension Bushings for BMW E46 Non M 3 Series Models. Over time, OEM rubber bushings wear from constant movement, heat, and exposure to road debris. This wear and tear can lead to increased play in the suspension components, affecting handling performance and ride quality. Symptoms of worn bushings include increased body roll during cornering, excessive vibration and noise over bumps, and less precise steering feel.