Engine Codes 3: N57N 306 D5, N57D30, N57D30A, N57D30B, N57D30C. Engine Codes 1: N57 306 D2, N57 306 D3, N57 D30 A, N57 D30 B. Engine Codes 2: N57 D30 C, N57 D30 B, N57N 306 D2, N57N 306 D3. BMW N57 3.0 DIESEL CRANKSHAFT 8 WEB ALLOY STEEL WITH ENGINE REBUILD KIT.
