do88 is proud to present this in-house developed engine oil cooler for the BMW M3 E46! Major advantages of the do88 oil cooler over the original: - 185% larger core volume, 3276 cm3 vs 1148 cm3. - 50% larger active cooling area, 575 cm2 vs 383 cm2. - 79% increased oil quantity in the oil cooler, 0.70l vs 0.39l - Drop-in installation, no modifications necessary, works with the original oil lines and mounting points. - CNC-machined connections for the oil lines. - CNC-machined brackets. This is the product for the driver who uses the car beyond the ordinary! Well suited to track racing, endurance events, track days or hard road use where particular demands are placed on durability without compromise. Greater core volume, larger active cooling area which is what actually cools the oil, excellent fit and – of course – greatly improved performance. We guarantee you will be satisfied!