The BMW S85 engine represents the pinnacle of BMW’s naturally-aspirated performance – a Formula 1-inspired V10 masterpiece that powers the E60 M5 and E63/E64 M6. At Partee Racing, we specialize in comprehensive S85 engine rebuilds that address the well-known BMW S85 engine problems while enhancing performance and reliability. Our expertise with the S85 BMW engine includes precision installation of upgraded BMW S85 rod bearings and meticulous balancing of the BMW S85 crankshaft assembly – critical improvements that significantly extend engine life. For enthusiasts seeking an S85 engine for sale, our rebuilt BMW S85 V10 engines deliver exceptional performance with peace of mind. Whether you need a complete BMW S85 V10 create engine or a complete turnkey solution with installation, Partee Racing provides premium BMW S85 engine rebuilds that transform this legendary powerplant from a potential liability into a reliable and exhilarating driving experience.
Factory-Fresh, Premium Performance
Our budget build of the S85 long block is designed to deliver maximum performance with minimal investment. It features all of the same components and machine works as the “High End” version but with slightly different internals to reduce cost. With key improvements to the factory long block, it delivers a smoother, faster, and higher-revving experience that pushes the S85 beyond its stock limitations.
Power Without Compromise
Our high end version S85 rebuild is crafted for power, durability, and future upgrades. The engine is rebalanced, fine-tuned, and built with race-proven parts to handle anything you throw at it.
The V10 Reimagined: Beyond Factory Limits
The S85 5.74L Stroker Long block is the ultimate version of BMW’s legendary V10. This beast delivers 5.74 liters of displacement and wheel horsepower in the mid-to high-500s, depending on your setup. It’s built for drivers who crave power, precision, and reliability.
Our BMW S85 engine rebuilds cost between $20,500 and $35,500, depending on the model you select, plus other upgrades & services. Submit an inquiry for the model you’re interested in for a detailed quote or contact us for more general questions.
Yes, the BMW S85 engine rebuild includes all essential components and services. However, the price does not include the $4,500 core charge. Please refer to our Core Policy for details.
Yes, the $4,500 core charge ensures we receive a rebuildable S85 engine core in return. If you send us your engine core in acceptable condition, the charge will be refunded. See our Core Policy for details.
Yes, we can ship rebuilt S85 engines worldwide. Shipping costs vary depending on your location and engine specifications. Contact us for a shipping quote.
