Rebuilt BMW M850i Engine for sale

Rebuilt BMW M850i Engine for sale. Is your BMW M850i suffering from engine issues or a major failure? Don’t let a blown motor sideline your luxury grand tourer. At First Used Auto Parts, we offer professionally rebuilt BMW M850i engines that deliver the power, precision, and performance your high-end coupe, convertible, or Gran Coupe deserves — at a fraction of the cost of a factory-new engine.

✅ Why Choose a Rebuilt BMW M850i Engine? Rebuilt BMW M850i Engine for sale.

🔧 Rebuilt with OEM Precision

Each engine is fully disassembled, cleaned, machined, and rebuilt using OEM or performance-grade components. All worn or damaged parts — including pistons, bearings, gaskets, seals, and timing components — are replaced to restore factory performance and reliability.

💥 Engineered for the N63B44T3 Twin-Turbo V8

The BMW M850i is powered by the N63B44T3 4.4L twin-turbocharged V8, delivering thrilling performance with smooth refinement. Our rebuilt engines are designed to meet or exceed OEM specifications, ensuring your M850i drives like new.

Compatible with:

• 2019–2023 BMW M850i (G14 Convertible, G15 Coupe, G16 Gran Coupe)

• Drivetrain: xDrive AWD

• Engine Code: N63B44T3

• Stock Horsepower: ~523 HP

🛡️ Backed by Warranty

Each rebuilt M850i engine includes a limited warranty, so you can drive with confidence knowing your engine is covered.

Engine Specifications:

• Engine Type: Rebuilt N63B44T3 4.4L Twin-Turbocharged V8

• Fuel Type: Gasoline

• Turbocharged: Yes – Dual twin-scroll turbos

• Stock Output: Approx. 523 HP / 553 lb-ft torque

• Model Compatibility: 2019–2023 BMW M850i (G14, G15, G16)

• Condition: Professionally rebuilt using OEM-equivalent components

• Warranty: Included (inquire for coverage details)

Why Buy from First Used Auto Parts?

• 🔧 Precision Rebuilds: Expertly rebuilt by experienced technicians with quality you can trust.

• 🚚 Nationwide Shipping: Fast, insured delivery across the U.S.

• 💬 Expert Support: Our team ensures you get the right engine for your M850i and supports you through installation.

• 💰 High Performance, Low Cost: Save thousands over dealership engine replacements.

Order Your Rebuilt BMW M850i Engine Today

Bring your M850i back to life with a premium rebuilt engine that delivers luxury and performance without compromise. Whether you're restoring a daily driver or reviving a damaged powertrain, First Used Auto Parts has the solution.

📞 Call Now or Request a Free Quote Online

Reclaim your BMW M850i’s twin-turbo power with a rebuilt engine from First Used Auto Parts — performance, reliability, and savings all in one package.