do88 proudly presents this self-developed engine oil cooler for BMW M3 E46! Significant advantages do88 oil cooler compared to original: - 185% bigger core volume, 3276 cm3 vs 1148 cm3. - 50% bigger active cooling area , 575 cm2 vs 383 cm2. - 79% higher oil volume in the actual oil cooler, 0.70l (0.18gal) vs 0.39l (0.10gal) - Drop-in installation, no modifications are necessary. Fits together with OEM oil lines and brackets. - CNC-machined oil line connections. - CNC-machined brackets. This is the product for the experienced driver demanding nothing but the best! It´s suitable for track racing, endurance racing, track days or inspired street usage, where there´s no room for compromise in terms of perseverance. Greater core volume, bigger active cooling area, that frankly is what actually cools the oil, excellent fitment and - of course - vastly enhanced performance, makes us guarantee you will be satisfied!