Jimmy
“Thanks to EngineMarket, I saved over £1,200 on my engine replacement and got matched with a great local specialist within the hour.”
Get quotes today from trusted UK Mini One engine specialists. Compare prices on reconditioned, rebuilt and used engines - supply & fit available.
-> Rebuilt units from £800 · Common codes: N12B16A, N16B16A, W10B16A
-> Rebuilt units from £950 · Common codes: N47C16A, B47C15A
-> Rebuilt units from £850 · Common codes: B38A12A, B38A15A
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Get Instant Quotes from Mini Engine Specialists Across the UK - 100% free, no obligation. Most replacements completed within 3-5 days.
Most replacements completed within 3-5 days.
The table below shows typical UK rebuilt engine costs across Mini One variants - compare failure causes, engine codes, fuel types, and price ranges to benchmark what UK drivers are paying.

Customer Reviews
Rated 4.8 out of 5 by 1,081 verified customers who sourced reconditioned and used Mini One engines through EngineMarket.
Jimmy
“Thanks to EngineMarket, I saved over £1,200 on my engine replacement and got matched with a great local specialist within the hour.”
Pete
“Got three quotes within an hour and chose the best deal easily. The whole process was quick, clear and stress-free.”
Sophie
“I wasn't sure what I needed, but they helped me identify the right engine and connected me with a trusted garage.”
Thanks to EngineMarket, I saved over £1,200 on my engine replacement and got matched with a great local specialist within the hour.”
- Jimmy, London
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From the economical R50 1.4 to the modern F56 1.5 Turbo, our network of UK Mini One engine specialists helps you compare rebuilt, reconditioned and used engine prices. Typical price range for a rebuilt unit with 12‑month warranty - supply & fit available nationwide.
A full alphabetical listing of every Mini One trim covered by our network. All entries link to a dedicated variant page, where prices are further broken down by engine code, model year, and condition type. Click a live link to compare quotes.
Diesel Variants
Petrol Variants
Performance Variants
Every engine code fitted to the Mini One across all generations, with technical specs, compatible variants and trims, known failure points, and average rebuilt prices from UK specialists. Select any engine code to compare quotes.
Extracted from detailed petrol and performance engine families across Mini One variants.
Extracted from detailed diesel engine families across Mini One variants.
Can't find your engine code? Enter your registration number above - we'll instantly identify the exact unit, its technical specifications, and live replacement prices from UK Mini One engine specialists. Every rebuilt engine comes with a minimum 12‑month unlimited mileage warranty.
The Mini One relies heavily on the N12, N16, B38 petrol and N47 diesel engine families, which deliver strong urban economy but carry well-documented wear patterns as mileage climbs. While early intervention can sometimes resolve minor symptoms, advanced degradation often makes a full swap the most cost-effective route for Mini One owners. Every rebuilt Mini One engine supplied through EngineMarket includes upgraded internal components designed to address the original factory failure points, backed by a minimum 12‑month unlimited mileage warranty.
Every rebuilt engine includes a minimum 12-month unlimited mileage warranty.
Why N-Series & N47 Engines Fail Prematurely
Mini One 1.6 Petrol & Mini One D 1.6 (2007-2013, N12B16A, N47C16A)
60,000 - 90,000 miles
The rear-mounted timing chain design uses a tensioner prone to premature wear, compounded by extended oil service intervals that starve the plastic guides of fresh lubricant. Over time, the chain stretches, timing shifts, and catastrophic valve-piston contact becomes inevitable.
| Repair Tier | Dealer Price | Specialist Price | What It Involves | Longevity / Suitability |
|---|---|---|---|---|
Minor - Preventative Timing Chain Kit Replacement Minor | £1,800 - £2,400 | £1,100 - £1,500 | Full engine-out removal to replace chain, tensioner, guides, and oil pump with upgraded components | Viable only if caught before stretch; buys 40k-60k extra miles with proper maintenance |
Full Replacement - Rebuilt / Reconditioned Mini One Engine Best Value | £3,200 - £4,500 | £2,100 - £2,800 | Supply & fit of a rebuilt Mini One engine with upgraded tensioner, bench-tested, ECU-matched, and warranty-backed | Permanent solution for high-mileage examples; eliminates future timing-related risk entirely |
If your Mini One is making a metallic cold-start rattle but hasn't dropped compression or thrown timing fault codes yet, a preventative chain kit replacement is financially sensible. Once the chain has jumped or tension has been fully lost, internal valve and piston damage is almost guaranteed - at that stage, a rebuilt Mini One engine delivers far better long-term value than a partial repair.
Whether you're battling timing chain rattle, diesel EGR cracks, or direct injection carbon buildup, EngineMarket removes the guesswork from your next step. We aggregate live quotes from vetted UK Mini One engine specialists, giving you direct access to rebuilt units upgraded with stronger internal components and backed by a minimum 12‑month unlimited mileage warranty. With nationwide supply & fit available, you can bypass main dealer markups and get your Mini One back on the road faster and for less.
The Mini One relies heavily on the N12, N16, B38 petrol and N47 diesel engine families, which deliver strong urban economy but carry well-documented wear patterns as mileage climbs. While early intervention can sometimes resolve minor symptoms, advanced degradation often makes a full swap the most cost-effective route for Mini One owners. Every rebuilt Mini One engine supplied through EngineMarket includes upgraded internal components designed to address the original factory failure points, backed by a minimum 12‑month unlimited mileage warranty.
Mini One 1.6 Petrol & Mini One D 1.6 (2007-2013, N12B16A, N47C16A)
60,000 - 90,000 miles
The rear-mounted timing chain design uses a tensioner prone to premature wear, compounded by extended oil service intervals that starve the plastic guides of fresh lubricant. Over time, the chain stretches, timing shifts, and catastrophic valve-piston contact becomes inevitable.
Full engine-out removal to replace chain, tensioner, guides, and oil pump with upgraded components
Supply & fit of a rebuilt Mini One engine with upgraded tensioner, bench-tested, ECU-matched, and warranty-backed
If your Mini One is making a metallic cold-start rattle but hasn't dropped compression or thrown timing fault codes yet, a preventative chain kit replacement is financially sensible. Once the chain has jumped or tension has been fully lost, internal valve and piston damage is almost guaranteed - at that stage, a rebuilt Mini One engine delivers far better long-term value than a partial repair.
Whether you're battling timing chain rattle, diesel EGR cracks, or direct injection carbon buildup, EngineMarket removes the guesswork from your next step. We aggregate live quotes from vetted UK Mini One engine specialists, giving you direct access to rebuilt units upgraded with stronger internal components and backed by a minimum 12‑month unlimited mileage warranty. With nationwide supply & fit available, you can bypass main dealer markups and get your Mini One back on the road faster and for less.
Disclaimer: All prices are indicative UK market ranges based on historical quote data and repair requests from our network of engine specialists. Dealer pricing is estimated based on published main dealer labour rates and genuine OEM parts pricing. Specialist pricing reflects actual quote data from EngineMarket’s UK network. Actual costs vary depending on damage severity, vehicle condition, variant, and workshop location within the UK. Use our free comparison tool to get tailored quotes for your specific Mini One and engine code. Every engine supplied through EngineMarket carries a minimum 12‑month unlimited mileage warranty - always confirm exact terms with your chosen supplier.
Every replacement option is sourced through our vetted UK network with typical price bands adjusted to your exact Mini One variant and engine code.
All engine types include a minimum 12‑month unlimited mileage warranty when sourced through EngineMarket. Prices are typical UK market ranges based on historical quote data from our network and depend on exact engine code, variant, mileage and supplier. Use our free comparison tool above - enter your registration to get tailored quotes for your specific Mini One within hours.
Every engine displacement officially fitted to the Mini One across all UK generations is detailed below, complete with factory engine codes, compatible variant years, and verified common failure notes.
The 1.5L three-cylinder diesel marked the transition to modern, emissions-compliant diesel powertrains for the F56 generation, replacing older four-cylinder units with improved fuel economy and integrated AdBlue systems. Designed primarily for urban commuting and high-mileage efficiency, it utilises BMW’s modular B-series architecture to deliver punchy low-end torque while meeting strict Euro 6 standards.
| Engine Code(s) | B47C15A |
| Compatible Models (UK) | Mini One D 3-door (F56, 2014-present), Mini One D 5-door |
| Production Years | F55, 2014-present |
Turbocharger actuator sticking, EGR valve carbon buildup, AdBlue injector faults at higher mileage
Not sure which engine size your Mini One needs? Enter your registration number above - we’ll identify the exact displacement, engine code and compatible replacement options instantly. All engines supplied through EngineMarket include a minimum 12‑month unlimited mileage warranty from UK Mini One specialists.
Fuel Type
Choose your Mini One engine by fuel type to compare realistic replacement prices, known issues, and compatible UK supply options - from early W10 naturally aspirated units to the latest B38 turbo petrol.
Covering the R56 and modern F56 generations, the Mini One diesel lineup prioritises high-mileage economy but carries well-documented EGR and timing chain wear patterns that drive replacement demand.
Not sure which fuel type your Mini One has? Enter your registration number above to instantly identify your engine code, fuel system and compatible replacement options - all backed by a minimum 12‑month unlimited mileage warranty from UK Mini One specialists.
This technical timeline covers every major Mini One engine change from 2001 launch to present, organised so owners can quickly identify their exact engine code and compare rebuilt prices from UK specialists.
Not sure which year your Mini One was built? Enter your registration number and we'll identify the exact engine, model year, and compatible replacement options instantly - all backed by a minimum 12‑month warranty from UK Mini One specialists.
FAQ
Question 1
A Mini One engine replacement typically costs £800-£2,200 for supply-only rebuilt units, depending on engine code, variant and condition type. Used engines start lower but carry higher risk, while reconditioned units with warranty offer the best balance of affordability and reliability for budget-conscious Mini One owners comparing quotes.
Key points
Question 2
Mini One timing chain rattle stems from worn tensioners on N12/N16/N47 engines, typically appearing between 60k-90k miles. Fixing it preventatively costs £1,100-£1,500, but waiting until failure occurs often means full engine replacement at £2,000+ - making early diagnosis critical for Mini One owners.
Key points
Question 3
The B38A15A turbo petrol in F56 Mini One models is generally most reliable, with fewer systemic failures than older N12/N16 units. N16 improved valve seals over N12 but still suffers oil consumption; B38 requires carbon cleaning but offers modern efficiency and ULEZ compliance for urban Mini One drivers.
Key points
Question 4
Replacing a Mini One engine is usually worth it if the chassis, body and interior are sound, with rebuilt units costing £800-£2,200 versus £3,000+ for a comparable used car. For Mini One models under 15 years with good service history, engine replacement extends life cost-effectively.
Key points
Question 5
Used Mini One engines are pulled from donor cars with unknown history; reconditioned units replace worn seals and gaskets after testing; rebuilt engines undergo comprehensive strip-and-rebuild with upgraded components. Rebuilt offers best reliability for Mini One owners, with reconditioned balancing cost and quality for budget decisions.
Key points
Question 6
Enter your Mini One registration above to instantly identify your exact engine code via DVLA data. Common codes include N12B16A, N16B16A, B38A15A petrol and N47C16A, B47C15A diesel - cross-generation compatibility is limited, so precise matching prevents costly Mini One fitment errors or ECU incompatibility issues.
Key points
Question 7
Mini One D diesel engines, particularly N47C16A units, commonly experience EGR cooler cracking causing coolant loss and white smoke, plus turbo actuator sticking at higher mileage. B47C15A modern diesels improved these issues but still require AdBlue system maintenance for reliable Mini One D operation in urban conditions.
Key points
Question 8
Replacement Mini One engines retain the emissions compliance of your original vehicle - B38A15A and B47C15A units in F56 models are Euro 6/ULEZ compliant, while older N12/N16/N47 engines in R56 models remain Euro 4/5. Verify your Mini One's registration year to confirm ULEZ status before ordering replacement.
Key points
Question 9
A properly rebuilt Mini One engine from EngineMarket specialists typically lasts 40,000-60,000+ miles with regular servicing, backed by minimum 12-month unlimited mileage warranty. Upgraded components like revised timing chains and valve seals address original failure points, extending Mini One engine life beyond factory specifications when maintained correctly.
Key points
Question 10
Yes, EngineMarket connects Mini One owners with UK specialists offering supply and fit packages from £450-£850 added to engine price. Postcode-based matching finds local or mobile fitting options, with most Mini One replacements completed in 1-2 days for minimal daily driver disruption and convenient nationwide coverage.
Key points
Why Choose Us

Trusted supplier network
Warranty-backed rebuilt & used options
Every quote checked for fitment, quality and lead time.