B-M-W N63B44 Engine Block x5 x6 740 750 650i Used Original Factory High Quality

Discover the high-quality B-M-W N63B44 used engine block, perfect for models like X5, X6, 740, 750, and 650i. This original factory engine block features a 4.4L V8 twin-turbocharged design, aluminum alloy construction, and cast iron liners for durability. Ideal for rebuilding or replacement, ensuring top performance and reliability.