Griffin Fluid Coolers for Transmission Fluid, Engine Oil, Power Steering Fluid etc. . LARGE COOLER - ... • Dual Pass 1 Row of 1.75" • Inlet Location: Either Description. Backorder: May ETA. PSP dual pass front mount oil cooler kit with an external 180f t-stat for the N54/N55 powered BMW 335’s. Reduces operating temp from 245-250 to 205-210 and drastically reduce the temperature ceiling when compared to stock oil cooler or models that did not come with an oil cooler.
Mishimoto has developed a brand new universal dual pass oil cooler for enthusiasts that demand the most from their vehicles. Keeping oil temperatures in control is crucial for a successful day at the track, street or strip. High engine oil temperatures can promote engine wear and lead to serious internal engine damage. Single-pass benefits because it presents all the tubes with the highest possible water temperature at once, whereas a two-pass radiator will only the highest temperature inlet water on one side, and then cool slightly cooler water up the other side. This doesn't make a huge difference though.