AC242476 MAXGEAR RADIATOR, ENGINE COOLING FOR BMW. If required we will suggest an alternative item. Keep in mind, that there's only less than 25% of our inventory listed on e-bay. 17 11 2 247 345. TecDoc Engine Number : M47 D20 (204D1). TecDoc Engine Number : M57 D25 (256D1). TecDoc Engine Number : M57 D30 (306D1).