Engine replacement savings

BMW M6 Engine Replacement - Rebuilt & Reconditioned Units from £4,200

Compare BMW M6 replacement engine prices from trusted UK suppliers. Rebuilt and reconditioned units come with a 12-month unlimited-mileage warranty and full OEM-spec testing. Save up to 60% versus a main dealer quote.

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Engine Finders

BMW M6 Specialists

Expert Solutions for Every M6 – Coupe F13 to Gran Coupe F06

Need a reliable replacement engine for your BMW M6?
Engine Finders is the UK’s #1 marketplace for high-quality BMW engines.

Find Your Perfect BMW M6 Engine Today!
BMW Engine Specialist - Save Up to 60% on Reconditioned Engines

BMW M6 Engines In Stock NOW: Live Prices, Rebuild Cost & Supply & Fit Service (UK-Wide)

Check REAL-TIME stock for M6 Competition (F12/F13 chassis). View exact rebuild costs for S63 4.4L TwinPower V8 engines, professional engine works & certified garage near you – 12-month warranty, MoT-ready, same-day dispatch.

BMW M6 Seris Replacement Engine Options - UK Supply

All engines bench-tested, VAT-inclusive, with 12-month warranty. MoT-compliant. Nationwide delivery. Direct OEM fitment for F12/F13/F06 chassis.

BMW M6 Rebuilt Engines

High-performance rebuilds with OEM parts.

BMW M6 Remanufactured Engines

Fully stripped and rebuilt to factory specs.

BMW M6 Reconditioned Engines

Thoroughly inspected and restored to working condition.

BMW M6 Replacement Engines

Direct swap engines for minimal downtime.

BMW M6 Refurbished Engines

Cleaned, tested, and performance-tuned units.

BMW M6 Used Engines

Affordable options with verified mileage and history.

BMW M6 Series Compatible Engine Codes & Average Prices on Rebuilt Units (UK Supply)

From £4,200 • M88/S62/S85 engines • 12m warranty • VAT-incl. • MoT-compliant

BMW M6 replacement engine - Engine Finders

Why Choose Engine Finders for Your BMW M6 Engine?

Engine Finders connects UK drivers with vetted specialists for reliable, reconditioned BMW M6 replacement engines. From the early E24 models to the latest F13 generation, every engine is rigorously tested and warranty-backed for perfect fit.

  • ✔ Trusted UK Suppliers

    We work exclusively with vetted UK suppliers who specialize in BMW engines - no middlemen, no guesswork.

  • ✔ Save Up to 60% vs Dealership

    Why overpay? Compare quotes from multiple sellers & save up to 60% on BMW M6 replacement engines, get top-tier quality for less.

  • ✔ Tested & Certified Engines

    Every BMW M6 engine is thoroughly tested for durability and performance, backed by a 6–24 month warranty.

  • ✔ Fast Quotes & Faster Delivery

    Quick quotes, nationwide delivery, and optional vehicle recovery, get your BMW M6 back on the road in no time.

  • ✔ Expert BMW M6 Support

    Need help? Our friendly BMW specialists guide you through engine compatibility, specs, and installation process.

  • ✔ Engines for All BMW M6 Models

    From the M635CSi to the M6 Gran Coupé, across E24, E63, E64, F06, F12 & F13 generations, we cover every BMW M6 model.

  • ✔ Performance Matched with Experience

    Our remanufactured and reconditioned engines often meet or exceed OEM specs - ready for serious off-road and on-road action.

  • ✔ We Work for You - Not the Suppliers

    We’re 100% on your side, helping you choose the best engine deal instead of just pushing supplier specials.

Rated 4.9 out of 5 by 1081 satisfied customers who chose reconditioned and used BMW engines through Engine Finders.

Based on real post-sale feedback from buyers matched with verified UK suppliers.

4.9/5
"Thanks to Engine Finders, I saved over £1,200 on my engine!" - Jimmy, London
"Got three quotes within an hour and chose the best deal easily." - Pete, Leeds
"Engine Finders made the whole process quick and painless." - Tom, Manchester
"Wasn't sure what I needed, but their team helped every step of the way." - Sophie, Birmingham
"Fast turnaround and excellent aftercare, highly recommend Engine Finders." - Ahmed, Bradford
"Best car-related experience I've had in years. Awesome guys, honestly!." - Liam, London
Get Your Custom BMW Quote Today

BMW M6 Engines for Sale | Engine Finders

Engine Finders is the UK's largest BMW engines marketplace for top-quality BMW replacement engines, including BMW M6 engines - whether you're looking for a reconditioned, remanufactured, or low-mileage used engine. Simply enter your registration or browse our engine list to find a compatible match at highly competitive prices.

BMW M6 Replacement Engines

The BMW M6 is a high-performance grand tourer that blends luxury with motorsport-inspired engineering. First introduced in 1983 (E24 M635CSi), the M6 set new standards for performance coupes, offering precision handling and powerful engines. Over the years, it evolved through the E63/E64 (2005–2010), F12/F13 (2012–2018), and the latest F06 Gran Coupé (2013–2018), featuring advanced aerodynamics, improved suspension, and cutting-edge technology. With trims like the M6 Competition and M6 Gran Coupé, the M6 remains one of BMW’s most celebrated performance models.

Whether you need a replacement due to timing chain issues, overheating, or general wear and tear, Engine Finders makes it easy to locate the right M6 engine, fast.

BMW M6 Models & Engine Codes

BMW’s M6 engines range from naturally aspirated inline-sixes to turbocharged V8s. Whether you're driving an early E24 or a newer F13 M6, we can help you find the exact engine code match.

Here are some of the popular BMW M6 engine codes we regularly stock:

  • BMW M635CSi (E24, 1983–1989)
    Engine Codes: M88/3, S38B35
    High-revving inline-six with motorsport heritage.
  • BMW M6 (E63/E64, 2005–2010)
    Engine Code: S85B50
    Naturally aspirated V10 with 507 hp, inspired by Formula 1.
  • BMW M6 (F12/F13, 2012–2018)
    Engine Codes: S63B44, S63B44T4
    Twin-turbocharged V8 with 560–600 hp in the Competition variant.
  • BMW M6 Gran Coupé (F06, 2013–2018)
    Engine Codes: S63B44, S63B44T4
    Four-door high-performance variant with up to 600 hp.
  • BMW M6 E24, E63, E64, F06, F12, F13 (Body Styles)
    Available in coupe, convertible, and Gran Coupé variants across trims and generations.

We can also help source rare engine variants, including special editions like the M6 Competition and models with performance-enhancing M upgrades. If you're unsure about compatibility, just send us your reg or VIN – we’ll do the hard work for you.

Buy Used and Second-Hand BMW M6 Engines

Engine Finders connects you to a vast network of trusted UK suppliers with a wide range of BMW M6 engines in stock. Whether you need:

  • Used Engines
  • Reconditioned Engines
  • Rebuilt Engines
  • Remanufactured Engines

Our vetted sellers ensure every BMW M6 engine meets our quality standards, whether you’re after a budget-friendly used unit or a factory-spec remanufactured version.

BMW M6 Engines in Stock

From everyday petrol to diesel-efficient or performance-driven models, we offer a wide-range of BMW M6 used and reconditioned engines.

Reconditioned engines often include brand-new internal parts, such as:

  • New Pistons, Rings, Bearings, Gaskets, Chains, and Seals Precision-balanced components and multi-point quality checks
  • Every engine is tested for compression, leaks, and performance before dispatch.

Warranty for Replacement BMW M6 Engines

All BMW M6 replacement engines listed through Engine Finders come backed by supplier warranties for added peace of mind. Warranty periods include:

  • Reconditioned Engines: 6 months to 2 years
  • Used Engines: 30 days to 6 months
  • Remanufactured Engines: 1 to 2 years
  • International shipping available (from selected suppliers)

Please Note: "Warranty terms vary by engine type and supplier. We recommend inquiring directly with your chosen supplier for specific terms and conditions, as Engine Finders is a price comparison website."

BMW M6 Engine
Frequently Asked Questions – BMW M6 Engines
What's the cost to replace an S63 V8 in a 2016 M6 Competition?

Certified suppliers offer £26,500-£34,900 for S63B44T0 engines with:
• Upgraded turbos (prevents wastegate rattle)
• Forged pistons (handles 700+hp)
• 3-year unlimited mileage warranty
(Save 50-65% vs BMW dealer quotes)

How do I know if my F13 M6's engine needs replacement?

Critical signs include:
⚠️ Knocking at 2,000-3,000 RPM (rod bearings)
⚠️ Blue smoke on startup (valve stem seals)
⚠️ Oil consumption >1L/1,000 miles
Free diagnostics from our UK suppliers

Where can I find a low-mileage S85 V10 for my E63 M6?

Only 3 UK specialists stock:
• Under 50k mile S85B50 units (£24,000+)
• Complete SMG III transmission kits
• Matching ECU/DME sets

What's the labor time for an M6 Gran Coupe engine swap?

Certified shops require:
• 5-6 days due to tight engine bay
• Includes xDrive transfer case recalibration
• Dyno break-in procedure

Used vs Rebuilt M6 Engines - Which is Better Value?

Type Price Warranty Expected Lifespan
Used £22k-£28k 6mo 40-60k mi
Rebuilt £29k-£35k 2yr 80-100k mi
Reman £36k-£44k 3yr 120k+ mi

Why does my F06 M6's engine keep overheating?

Common issues we fix:
• Failing electric water pumps
• Clogged auxiliary radiators
• £3,800-£4,500 for CSF race cooling kits

Can I upgrade my 2014 M6 to Competition Package specs?

Specialist conversions include:
• S63B44T0 engine tune (+25hp)
• M Sport exhaust valves
• Cooling system revisions
Costs £5,200-£6,800

What documents come with a replacement M6 engine?

Reputable suppliers provide:
• BMW engine certification
• Dyno test results
• V5C support documents

How to verify a used S63 engine's condition?

Demand:
• Leakdown test results (<10% variance)
• Oil pressure readings (3.5-4.2 bar)
• Turbo shaft play measurements

What causes the S85 V10's rod bearing failure in M6s?

The lead-free bearings fail due to:
• High-RPM oil starvation
• Tight bearing clearances
£3,500-£4,500 for WPC-treated bearing solutions

Is the S63 in M6s more reliable than M5 engines?

The M6's additional cooling helps:
• 5°C lower oil temps
• Revised PCV system
• Stronger con rods

Do you offer finance for M6 engine replacements?

Select suppliers provide:
• 0% APR 12-month plans
• Lease-to-own options
• Business VAT schemes

What's the warranty on remanufactured M6 engines?

Premium packages include:
• 36-month comprehensive coverage
• Track day protection
• Nationwide labor reimbursement

Why does my M6's engine sound like a diesel at idle?

The direct injection system causes:
• Loud injector operation
• HPFP cam follower noise
• £680-£950 for acoustic insulation kits

How soon can I get an engine for my M6 Gran Coupe?

Immediate UK availability:
• 2 S63B44T0 engines (<20k mi)
• Next-business-day delivery
• Includes xDrive recalibration