Your BMW M5 is the optimum combination of luxury and quiet muscle, so it makes sense to swap out its old BMW M5 engine with an exact replacement. The BMW E34 M5 is an S38 twin-cam, 24-valve inline-six engine with an updated crankshaft and camshafts to differentiate it from its predecessors. The BMW E39 M5 engine, a later incarnation of the BMW M5, is an S62 with an eight-cylinder V8 with the Bosch MSS 52 fuel injection DOHC. Each M5 engine is specifically tailored for a specific model, so stats vary. However, all incarnations of the BMW M5 engine zooms from zero to 60 in mere seconds without straining the car's performance. Couple that raw power with the comfort of BMW's high-performance, high-end sedans, and you end up with the most optimum combination possible. There is a vast inventory on eBay of each BMW M5 engine, along with all of the tools and equipment necessary for you to install the engine from the comfort of your home garage. Prowl down the highway with style and speed in your BMW M5 with its newly installed, specifically tailored BMW M5 engine humming under the hood.Shop the extensive inventory of motors, parts, accessories, and complete engines for BMW!