In the world of modern BMW ownership, finding a reliable, high-value BMW engine for sale can feel like searching for a diamond in a mine. With more BMWs on UK roads than ever before, demand for quality used engines, especially from the 2012 model year onwards, has soared. Yet not every engine or supplier is the same. The secret? Knowing which models deliver the best mix of performance, efficiency, and longevity, and buying from a source that understands the modern BMW inside out is a key when trying to find the best valued BMW engine.
Why Should You Buy Used BMW Engine At All?
When considering options for engine replacement, many BMW owners look towards the used market and for good reason. Used BMW engines, especially from more recent models, can deliver the same performance and technology as new units but at a significantly lower price point. With advances in engineering and robust build quality, modern BMW engines are built to last, often reaching high mileages with proper maintenance. Buying used also offers environmental benefits, reducing waste and conserving resources by extending the life of quality components. For those seeking to keep their BMW running smoothly without the premium costs associated with new parts, a used engine presents a practical, cost-effective, and sustainable solution.
The Top 2012+ Model BMW Engines for Sale, Ranked for Value
Let’s break down the most sought-after engines each with their own strengths, and why they stand out in today’s used market.
1. BMW B58 Engine
Widely regarded as one of BMW’s greatest modern engines, the B58 3.0-litre inline-six powers everything from the 340i and M240i to the latest Toyota Supra.
Why it is one of the best valued options: The B58 offers a sublime blend of power, smoothness, and proven reliability, with robust internals and tunable performance. Thanks to direct injection and advanced cooling, it’s a favourite for both daily drivers and tuners.
Best for: Anyone seeking a “future classic” powerplant with real-world punch and long-term dependability.
2. BMW B48 Engine
The B48 2.0-litre turbocharged four-cylinder is a true workhorse in the F and G generation cars, powering everything from the 320i to the X3 and MINI JCW.
Why it’s a good option: Efficient, punchy, and widely used across the BMW range, the B48 delivers surprisingly strong performance for its size. It’s cost-effective and parts are readily available from reputable BMW engine spares specialists like MT Auto Parts.
Best for: Everyday drivers who want reliability and value, with plenty of upgrade options down the line.
3. BMW N57 Engine
BMW’s N57 straight-six diesel sets the benchmark for torque and longevity. Found in 330d, 530d, and numerous X-series models, it’s a favourite for those who need serious motorway pace and efficiency.
Why it’s a good option: Built to last, the N57 can handle high mileages with routine maintenance. It’s also ideal for towing and grand touring.
Best for: High-mileage users, business fleets, or anyone who needs effortless power and diesel efficiency.
4. BMW N63 Engine
If V8 thrills are on your wish list, the N63 is BMW’s answer. This twin-turbocharged V8 powers models like the 550i, 650i, and X5 50i.
Why it ranks as one of the best options: The N63 delivers supercar performance in a luxury package, with huge tuning potential. Recent revisions (post-2013) addressed many early issues, making later units especially attractive.
Best for: Drivers seeking luxury, refinement, and relentless acceleration.
5. BMW S58 and S63 Engines
For those who demand true M Power, the S58 (found in M3 and M4) and S63 (used in M5 and X5M/X6M) engines represent the pinnacle of modern BMW engineering.
Why they rank as one of the best BMW engines: Both engines feature advanced turbocharging, forged internals, and motorsport heritage. They’re rare, highly desirable, and command premium prices, but nothing else delivers the same adrenaline and power.
Best for: Enthusiasts, collectors, and anyone building a true performance machine.
How to Find the Best Value Used BMW Engine
1. Insist on Genuine, Tested Parts
With complex electronics and sensitive turbo systems, genuine BMW motor parts and engines matter more than ever. MT Auto Parts only sources, tests, and supplies authentic 2012+ BMW engines with full documentation.
2. Ask for History and Support
Every quality used engine should come with a clear service record, compression test results, and expert support—plus warranty. If you’re buying online, check reviews and aftersales service.
3. Use a Specialist Supplier
Choosing a focused supplier like MT Auto Parts ensures every engine is hand-picked, inspected, and matched to your car’s VIN for perfect fitment.
Why MT Auto Parts Leads for 2012+ BMW Engines and Motor Parts
- Exclusive focus: Only 2012 and newer BMW engine spares.
- Full transparency: Every engine undergoes rigorous testing and is sold with history and warranty.
- National delivery: Fast, safe shipping across the UK — ready for workshops, garages, and private buyers.
- Expert advice: The MT team knows every F and G generation model, and can guide you to the perfect match.
Final Thoughts on BMW Engines
Today’s market for BMW engines is both vibrant and increasingly complex, with a wide variety of options available to suit different needs and budgets. If you’re searching for a B58, B48, N63, N57, or one of the high-performance M Power units, careful research and a clear understanding of your requirements are essential. As technology evolves and more advanced engines become available second-hand, choosing the right source and ensuring proper compatibility have become key considerations for BMW owners in 2025.

