How much does a BMW X6 M60i engine replacement cost in the UK-

A full BMW X6 M60i engine replacement typically costs £5,500-£9,500 supply-only for a rebuilt S68B44A unit, or £7,000-£11,000 fitted by a specialist. Used S68B44A engines: £3,500-£5,500 depending on mileage and condition. Reconditioned units: £4,500-£7,000. Professional fitting adds £1,500-£2,500 to the engine cost.

What are the signs of oil pump failure in a BMW X6 M60i-

The most common warning signs of oil pump failure in the X6 M60i are: low oil pressure warning light - stop driving immediately; knocking or tapping noise from the engine; engine running rough or misfiring; complete engine seizure - if oil pressure drops to zero.

Is it worth replacing the engine on a BMW X6 M60i-

For an X6 M60i worth £55,000-£90,000, a £7,000-£11,000 rebuilt engine is typically good value - replacement cost is small relative to vehicle value. Compare replacement cost against vehicle value - replacement is viable up to approximately 70% of the car's value. Given the vehicle's high value, specialist rebuild with warranty is the safest option. Always factor the 12-month warranty into your replacement decision.

What causes the BMW X6 M60i 48V mild-hybrid system to fail-

The 48V mild-hybrid system can fail due to: 48V lithium-ion battery degradation after 5-7 years (£600-£1,000 replacement); starter-generator belt wear or failure; battery management system faults. The system provides a temporary 12hp and 200Nm boost under acceleration. If the system fails, the engine loses electric boost and coasting functionality.

Can I replace my BMW X6 M60i engine with a different engine-

Engine swaps to a different size or type are technically complex and rarely cost-effective for the X6 M60i. The S68B44A and S68B44T0 are the only engines fitted to the M60i from the factory - stick to like-for-like replacement. Swapping to the X6 M Competition engine (S63B44C) requires different ECU, wiring, cooling, and transmission calibration. The 48V mild-hybrid system is integrated with the engine - swapping to a non-hybrid engine is not feasible. Insurance must be notified of any non-standard engine swap. Our marketplace only recommends like-for-like code-matching for warranty coverage.

BMW X6 M60i SPECIALISTS

BMW X6 M60i Engine Replacement Compare Prices & Get Quotes

Get quotes today from trusted UK BMW X6 M60i engine specialists. Compare prices on reconditioned, rebuilt and used engines for your M-tuned V8 X6 - supply & fit available nationwide.

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BMW X6 M60i Engine

from£5,500 to £9,500

Usedfrom £3,500
Reconditionedfrom £4,500
Common codesS68B44A, S68B44T0

BMW x6Used Engine — S68B44A

BMW x6 M60i Reconditioned Engine — S68B44A

BMW x6Reconditioned Engine — S68B44A

BMW x6Rebuilt Engine — S68B44A

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How it works

3 Simple Steps to Finding the Right Replacement Engine

Clear information first, then the right engine and specialist for your exact vehicle.

Variant History

BMW X6 M60i Engine History & Specs at a Glance

The BMW X6 M60i arrived in 2023 as the G06 facelift's new flagship petrol model, replacing the M50i. Powered by the S68 4.4-litre twin-turbo V8 - the most advanced hot-vee V8 BMW has ever produced - the M60i sits between the xDrive40i and the full-fat X6 M Competition, offering M-division engineering with everyday usability.

April 2023 - BMW X6 M60i (G06 LCI) launches with the S68B44A 4.4-litre twin-turbo V8, producing 530hp (390kW) and 750Nm of torque, paired with a 48V mild-hybrid system
2024
X6 M60i receives updated engine calibration; power remains 530hp with 48V mild hybrid assistance providing 12hp temporary boost
2025
Current production continues with S68B44T0 engine code for UK market cars

Every engine fitted to the BMW X6 M60i is covered below, with UK rebuilt pricing and known failure points.

Engine Codes & Pricing

BMW X6 M60i Engine Codes Specifications & Replacement Cost

Find your exact engine code, specs and UK replacement cost guide.

S68B44A — 4.4L Twin-Turbo V8 MHEV (2023-present)

Power Output: 530hp (390kW) at 5,500-6,000rpm + 12hp electric boost
Torque: 750Nm at 1,800-4,600rpm
Displacement: 4,395cc
Years Fitted: 2023-present (G06 LCI)

Can’t find your exact engine code?-> Get quotes for S68B44A BMW X6 M60i engine replacement

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Common Problems

BMW X6 M60i Engine Problems Repair Cost vs Replacement

The BMW X6 M60i is powered by the S68 4.4-litre twin-turbo V8 - BMW's most advanced hot-vee V8, featuring a 48V mild-hybrid system and M-division engineering. While significantly more robust than the earlier N63 engines it replaces, the S68 is not without its teething issues. Every rebuilt engine supplied through EnginesMarket includes upgraded components addressing the original failure point - plus a minimum 12-month unlimited mileage warranty.

Common failure points and repair options

Oil Pump Failure

Affected: BMW X6 M60i (S68B44A / S68B44T0, 2023-present)
Typical failure mileage: 20,000-40,000 miles (early examples)

Root cause

The S68's high-performance oil pump system - while incorporating racing technology with a modified oil pump and sump system and strengthened crankshaft drive - has shown vulnerability on some early G06 M60i examples. One owner reported needing a new engine and turbos at just 28,000 miles. Oil pump failure leads to low oil pressure, bearing damage, and ultimately catastrophic engine failure if not addressed immediately.

Repair options

Repair tier	Dealer price	Specialist price
Minor - oil pressure sensor / switch replacement	£300-£500	£200-£350
Intermediate - oil pump replacement	£2,500-£4,000	£1,800-£3,000
Full Replacement - rebuilt/reconditioned engine (catastrophic bearing failure)	£10,000-£15,000	£7,000-£11,000

Our recommendation

If you see any low oil pressure warning on your X6 M60i, stop driving immediately and have the oil system inspected. Early intervention can save the engine. Given the high value of the vehicle, a specialist oil pump replacement (£1,800-£3,000) is significantly cheaper than a full engine replacement. Always use the correct BMW-approved oil specification and maintain strict oil change intervals.

-> Compare rebuilt S68B44A BMW X6 M60i engine prices

48V Mild-Hybrid System Failure

Affected: BMW X6 M60i (S68B44A / S68B44T0, 2023-present)
Typical failure mileage: 40,000-70,000 miles

Root cause

The 48V mild-hybrid system provides a temporary 12hp and 200Nm boost. The 48V lithium-ion battery can degrade over time, and the starter-generator belt can wear. When the system fails, the engine loses its electric boost, coasting functionality, and smooth stop-start operation. Fuel economy drops by approximately 8%.

Repair options

Repair tier	Dealer price	Specialist price
Minor - 48V battery replacement	£800-£1,500	£600-£1,000
Intermediate - starter-generator replacement	£1,200-£2,000	£900-£1,500
Full Replacement - rebuilt/reconditioned engine (if electrical fault caused engine damage - rare)	£10,000-£15,000	£7,000-£11,000

Our recommendation

The 48V system is a separate component from the engine block and can be replaced individually. If you notice reduced performance, stop-start not working, or warning lights, have the MHEV system diagnosed. Battery replacement at a specialist for £600-£1,000 is the most common fix. Do not ignore MHEV warnings - a failing starter-generator can leave you stranded.

-> Compare BMW X6 M60i 48V hybrid system repair and engine quotes

Oil Consumption & False Low Oil Warnings

Affected: BMW X6 M60i (S68B44A / S68B44T0, 2023-present)
Typical failure mileage: 5,000-30,000 miles

Root cause

The S68, like its N63 predecessors, can consume oil at a higher rate than typical engines - a characteristic of the hot-vee V8 design. Additionally, a DME calibration error can trigger false low oil level warnings if a manual oil measurement has not been performed for an extended period, which is common in vehicles with frequent short-distance driving profiles.

Repair options

Repair tier	Dealer price	Specialist price
Minor - DME software update	£200-£400	£150-£250
Minor - oil top-up & level check	£50-£100	£30-£60
Intermediate - valve stem seal replacement (if oil consumption exceeds 1L/1,000 miles)	£3,500-£5,000	£2,500-£4,000
Full Replacement - rebuilt/reconditioned engine (if oil starvation caused damage)	£10,000-£15,000	£7,000-£11,000

Our recommendation

On an X6 M60i worth £55,000-£90,000, regular oil checks are essential. Check the oil level manually every 1,000 miles - do not rely solely on the electronic sensor. If you see low oil warnings, have the DME software updated to rule out false positives. If oil consumption exceeds 1 litre per 1,000 miles, valve stem seal replacement at a specialist (£2,500-£4,000) is significantly cheaper than waiting for engine damage.

-> Compare rebuilt S68B44A BMW X6 M60i engine prices

Don't Let Engine Failure Write Off Your BMW X6 M60i

A failed S68B44A engine doesn't have to mean the end of the road for your X6 M60i. Whether you're facing oil pump failure, 48V system issues, or oil consumption concerns, EnginesMarket connects you with trusted UK BMW specialists who supply rebuilt S68 engines with upgraded components specifically designed to address the original failure points. Every engine comes with a minimum 12-month unlimited mileage warranty, nationwide delivery, and supply & fit options across the UK. Compare prices today - and protect your investment without paying the main dealer premium.

Compare BMW X6 M60i Engine Replacement Prices Now ->

FAQ

BMW X6 M60i Engine ReplacementFrequently Asked Questions

Everything BMW X6 M60i owners usually ask before choosing a rebuilt, reconditioned or used replacement engine.

The S68 is BMW's most advanced V8, incorporating racing technology from the XM and X7 M60i. However, early examples have reported oil pump failures - one owner needed a new engine at just 28,000 miles. The S68 is significantly more robust than the earlier N63 engines it replaces, but being a relatively new engine, long-term reliability data is still emerging. Regular oil changes and monitoring of the 48V system are essential.

-> Get quotes for BMW X6 M60i S68 engine repairs and replacement

For an X6 M60i worth £55,000-£90,000, a £7,000-£11,000 rebuilt engine is typically good value - replacement cost is small relative to vehicle value.

Compare replacement cost against vehicle value - replacement is viable up to approximately 70% of the car's value
Given the vehicle's high value, specialist rebuild with warranty is the safest option
Always factor the 12-month warranty into your replacement decision

-> Check BMW X6 M60i engine replacement value for your specific vehicle

Engine swaps to a different size or type are technically complex and rarely cost-effective for the X6 M60i:

The S68B44A and S68B44T0 are the only engines fitted to the M60i from the factory - stick to like-for-like replacement
Swapping to the X6 M Competition engine (S63B44C) requires different ECU, wiring, cooling, and transmission calibration
The 48V mild-hybrid system is integrated with the engine - swapping to a non-hybrid engine is not feasible
Insurance must be notified of any non-standard engine swap
Our marketplace only recommends like-for-like code-matching for warranty coverage

-> Find a code-matched BMW X6 M60i replacement engine - enter your reg above

Why Choose Us

Compare BMW X6 M60i Engine Prices Today

Comparing quotes for your BMW X6 M60i is free, no-obligation, and specific to your exact engine code and vehicle. Enter your registration above - our trusted UK network of BMW G06 specialists will send you tailored prices for used, reconditioned, and rebuilt S68B44A and S68B44T0 engines with warranty. Protect your investment without paying the dealer premium.

50+50+ S68B44A engines supplied through our network

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Compare quotes from trusted UK BMW X6 M60i engine specialists with warranty-backed rebuilt, reconditioned and used options nationwide.

BMW X6 M60i Engine Replacement Compare Prices & Get Quotes

Get your free BMW x6 M60i engine quotes

3 Simple Steps to Finding the Right Replacement Engine

BMW X6 M60i Engine History & Specs at a Glance

BMW X6 M60i Engine Codes Specifications & Replacement Cost

S68B44A — 4.4L Twin-Turbo V8 MHEV (2023-present)

BMW X6 M60i Engine Problems Repair Cost vs Replacement

Oil Pump Failure

48V Mild-Hybrid System Failure

Oil Consumption & False Low Oil Warnings

Don't Let Engine Failure Write Off Your BMW X6 M60i

BMW X6 M60i Engine ReplacementFrequently Asked Questions

Compare BMW X6 M60i Engine Prices Today