Rebuilt BMW M340i Engine for sale

Rebuilt BMW M340i Engine for sale. Is your BMW M340i experiencing engine issues or failure? Restore its signature power and smooth performance with a rebuilt BMW M340i engine from First Used Auto Parts. Our engines are rebuilt to exacting OEM specifications — delivering the power, reliability, and refinement your sports sedan deserves, all while saving you thousands compared to a new replacement.

✅ Why Choose a Rebuilt BMW M340i Engine? Rebuilt BMW M340i Engine for sale.

🔧 Rebuilt with OEM Precision

Each engine is completely disassembled, inspected, and rebuilt using OEM or premium-grade components. Every critical element — pistons, valves, turbochargers, gaskets, timing components, and seals — is restored or replaced to match factory performance.

💥 Designed for the BMW B58 Engine

The BMW M340i (G20 chassis) is powered by the B58B30 3.0L turbocharged inline-6, one of BMW’s most advanced and award-winning engines. We rebuild both Gen 1 and Gen 2 B58 variants depending on your model year.

• Compatible Years:

  • 2019–2022 (G20 M340i & M340i xDrive – B58 Gen 1)

  • 2023–Present (Facelift LCI – B58 Gen 2)

• Horsepower:

  • 382 HP (stock output)

🛡️ Backed by Warranty

All of our rebuilt M340i engines come with a limited warranty, offering confidence and long-term peace of mind after installation.

Engine Specifications:

• Engine Type: Rebuilt B58B30M0 or B58B30O1 (depending on model year)

• Fuel Type: Gasoline

• Configuration: Inline-6, Single Twin-Scroll Turbo

• Horsepower: Approx. 382 HP (stock)

• Turbocharged: Yes

• Condition: Rebuilt using OEM-equivalent parts

• Model Compatibility: BMW M340i Sedan (G20), xDrive and RWD

• Warranty: Included (ask for details)

Why Buy from First Used Auto Parts?

• 🔧 Professionally Rebuilt Engines: Every engine meets strict factory specifications and quality standards.

• 🚚 Nationwide Shipping: Fast, insured delivery to any U.S. location, including California, Texas, and Florida.

• 💬 Knowledgeable Support: Our team helps you identify the right engine and ensure proper installation.

• 💰 Better Than Dealer Pricing: Get high-performance results without the high cost of a factory engine.

Order Your Rebuilt BMW M340i Engine Today

Don’t let engine trouble park your driving excitement. A rebuilt M340i engine from First Used Auto Parts is the smart, performance-driven solution — whether you're restoring factory power or prepping for future upgrades.

📞 Call Now or Request a Free Quote Online

Restore your BMW M340i to peak performance with a professionally rebuilt B58 engine — only from First Used Auto Parts.