BMW M3 E90 DKG / DCT oil cooler Racing - 217% larger cell package volume, 2208 cm3 vs 696 cm3. - 178% larger active cooling area, 3456 cm2 vs 1242 cm2. - 18% lower oil temperature after the oil cooler under the same test conditions: 74 ° C vs. 90 ° C! See diagram below! - 110% larger oil volume, 6.5dl vs 3.1dl - Fits directly in specified car models! - Drop-in mounting, no modifications are necessary, fits together with original oil lines and attachment points. - Highly efficient 18-row Bar & Plate cell package. - CNC machined connections for the oil lines. - CNC machined brackets. - The radiator can easily be pre-filled, which means that you do not have to change the liquid in your system.