Cooper Diesel Engines
from £1,200 to £4,200
Rebuilt units from £1,200 · Common codes: N47D20, B47D20, N47D16, B37C15
Mini ENGINE MARKETPLACE
Mini Cooper Engine Replacement - Timing Chain Solutions from UK Specialists
Get quotes from trusted UK Mini Cooper engine specialists. Compare reconditioned and rebuilt prices for N12, N16, N18, B38, and B48 - 1.2L to 2.0L covered. Get a quote before it's too late.
Supply & Fit Available
12-Month Warranty
Nationwide Delivery
100+ Suppliers
Cooper Petrol Engines
from £1,200 to £3,900
Rebuilt units from £1,200 · Common codes: N14B16, N18B16, B38A15, B48B20
Cooper S N14 Engines
from £1,400 to £4,500
Rebuilt units from £1,400 · Common codes: N14B16A, N14B16B, N14B16C
Instant engine replacement quote - 100% free, no obligation
Engine replacement near me - UK-wide specialist network
Compare reconditioned, rebuilt & used engine prices
Supply & fit available - parts and labour from vetted specialistsInstant engine replacement quote - 100% free, no obligationEngine replacement near me - UK-wide specialist networkCompare reconditioned, rebuilt & used engine pricesSupply & fit available - parts and labour from vetted specialistsHow It Works
3 Simple Steps3 Simple Stepsto Finding the Best Mini Cooper Replacement Engineto Finding the Best Mini Cooper Replacement Engine
12-Month Warranty
Supply & Fit Available
Nationwide Delivery
Trusted UK Suppliers
Most replacements completed within 3-5 days.
Live UK Engine Market Data
What Are UK Drivers Paying for Mini Cooper Engine Replacement
Table shows typical UK rebuilt Mini Cooper engine costs across variants - compare known failure causes, codes, fuel types and sizes for best value.
Average Market Prices
↻ Last updated: 4 Aug 26, 9:26
Customer Reviews
Trusted by Mini Cooper Owners Across the UK
Rated 4.8 out of 5 by 1,081 verified customers who sourced reconditioned and used Mini Cooper engines through EngineMarket.
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Variants We Cover
Mini Cooper Engine ReplacementAll Variants Covered
Mini Cooper Mini One
N12B14/B38A12 1.4L 1.2L Petrol
Rebuilt Engines: £1,100-£3,200
Mini Cooper Cooper
N18B16/B38A15 1.6L 1.5L Petrol
Rebuilt Engines: £1,200-£3,900
Mini Cooper Cooper Clubman
B38A15 1.5L Petrol
Rebuilt Engines: £1,300-£4,000
Mini Cooper Cooper Countryman
B38A15 1.5L Petrol
Rebuilt Engines: £1,400-£4,200
Mini Cooper Mini One D
N47D16/B37C15 1.6L 1.5L Diesel
Rebuilt Engines: £1,100-£3,800
Mini Cooper Cooper D
N47D20/B47D20 2.0L Diesel
Rebuilt Engines: £1,200-£4,200
Mini Cooper Cooper D Clubman
B47D20 2.0L Diesel
Rebuilt Engines: £1,400-£4,800
Mini Cooper Cooper D Countryman
B47D20 2.0L Diesel
Rebuilt Engines: £1,400-£4,800
Mini Cooper Cooper S
N14B16/B48B20 1.6L 2.0L Petrol
Rebuilt Engines: £1,400-£4,500
Mini Cooper Cooper SD
N47D20T1/B47D20T1 2.0L Biturbo
Rebuilt Engines: £1,800-£5,200
Mini Cooper John Cooper Works
B48B20 2.0L Petrol
Rebuilt Engines: £2,500-£6,500
Mini Cooper Cooper SE Hybrid
B38A15 1.5L Hybrid
Rebuilt Engines: £2,200-£5,800
Not sure which variant your Mini Cooper is- Enter your registration number above - we'll identify the exact sub-model, engine code and compatible replacement options instantly.
Cooper
Engine Codes
Mini Cooper Engine CodesFull Technical Specifications & Replacement Guide
Every engine code fitted to the Mini Cooper 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.
Diesel Engines
Extracted from detailed diesel engine families across Mini Cooper variants.
N47D20 - 2.0L Diesel
Main replacement triggers are timing chain wear, EGR / cooling faults and turbo-control issues.
Compatible variants
Cooper DCooper D ClubmanCooper D CountrymanCooper SDCooper SD CountrymanCooper D EfficientDynamics
Avg. rebuilt price
£1,200 - £4,200
Supply only
Technical specifications
- Fuel type
- Diesel
- Engine size
- 2.0L
- Power output
- 143-190 hp
- Years fitted
- Check by registration
Common failures
- ●Main replacement triggers are timing chain wear, EGR / cooling faults and turbo-control issues.
- ●Confirm exact engine code and fitment before ordering.
- ●Ask for warranty and supply & fit terms.
Not sure which engine code?
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 Cooper engine specialists. Every rebuilt engine comes with a minimum 12-month unlimited mileage warranty.
Cooper
Common Problems
Mini Cooper Engine Problems - What It Costs to Fix & When Replacement Makes Sense
Mini Cooper reliability varies significantly by generation, with the Prince N14/N18 and modern BMW B-Series engines dictating most replacement demand. Owners typically face timing chain degradation, severe oil burning, or cooling system faults as their vehicles age. Every rebuilt Mini Cooper engine supplied through our network features upgraded internal...
Mini Cooper Timing Chain Failure - Why N14 and N47 Engines Fail Prematurely
Mini Cooper Timing Chain Failure
Most affected vehicles
Mini Cooper SCooper S Clubman
Mini Cooper S, Cooper S Clubman, Cooper S Countryman (2007-2013, N14B16); Mini Cooper D, One D, Clubman D (2007-2014, N47D16 & N47D20)
Failure mileage range
50,000 - 90,000 miles
Typical failure window
Root cause
Early Prince diesel and petrol engines used a rear-mounted timing chain with a flawed plastic tensioner and weak guides. Oil pressure inconsistencies and carbon buildup accelerate guide wear, causing the chain to stretch, jump teeth, and trigger catastrophic valve damage.
Repair options & estimated costs (UK ranges)
| Repair tier | Dealer price | Specialist price | What it involves | Longevity / suitability |
|---|---|---|---|---|
| Minor - Preventative Timing Chain Replacement | £1,800 - £2,400 | £1,100 - £1,500 | Timing chain, tensioner, guides and oil pump chain replaced with upgraded components before catastrophic stretch occurs. | Extends engine life by 40,000-60,000 miles if caught early. Not viable once valve damage has occurred. |
| Intermediate - Top-End Repair & Chain Reset | £3,500 - £4,800 | £2,200 - £3,100 | Cylinder head removal, valve inspection/replacement, new timing kit installation, and carbon cleaning. | Suitable if bottom end remains undamaged and compression is healthy across all cylinders. |
| Full Replacement - Rebuilt / Reconditioned Engine | £8,500 - £12,000 | £1,400 - £4,200 | Complete engine removal, bench-rebuilt unit with reinforced timing tensioner, upgraded guides, and full compression test installed with all ancillaries. | Restores factory-new reliability. Best long-term value once internal damage has occurred or preventative window has passed. |
Our recommendation
For Mini Cooper models showing early chain rattle but maintaining full compression, a preventative timing chain replacement offers the best value. However, if the engine has suffered valve contact or metal debris in the sump, repair costs will rapidly exceed £3,000 and reliability remains compromised. In these cases, a full rebuilt Mini Cooper engine with upgraded tensioners is the only financially sound path.
Compare rebuilt N14 and N47 engine prices for your Mini CooperReplacement Engine Options
Mini Cooper Engine TypesOptions, Costs & What to Expect
Every Mini Cooper engine type is available through our UK network with typical price ranges based on variant, engine code and budget.
Mini Cooper Reconditioned Engines (Recon)£1,200 - £4,200((supply only))
Mini Cooper Rebuilt Engines£1,400 - £4,800((supply only))
Mini Cooper Used Engines£600 - £2,500((supply only))
Mini Cooper Remanufactured Engines£2,000 - £6,000((supply only))
Mini Cooper Refurbished Engines£900 - £3,500((supply only))
Compare Mini Cooper engine prices with vetted UK suppliers
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 Cooper within hours.
Engine Sizes
Mini Cooper Engines by SizeFind the Right Displacement for Your Variant
Every official Mini Cooper engine displacement is listed below with matching codes, production years, variant compatibility and documented failure points to ensure you source the exact replacement unit for your car.
The 1.5-litre diesel marked a shift toward modular 3-cylinder efficiency for modern Mini models, debuting in the 2014 F56 generation as the entry-level diesel option. Built around BMW’s B37 architecture, it delivers strong low-end torque for city driving while meeting strict Euro 6 emissions standards without sacrificing the characteristic Mini driving dynamics.
⚙
Engine Code(s)
B37C15, B37U15
▣
Compatible Models (UK)
Mini One D (F56, 2014-2024), Cooper D (F56/F54/F60, 2014-2024), Cooper D EfficientDynamics
ϟ
Power output
Verified by registration
△
Common Failure Points
EGR cooler clogging triggering limp mode, high-pressure injector seal leaks causing misfires, early timing chain guide wear
Production Years: Check by registration
Get quotes for Mini Cooper 1.5L diesel enginesFuel Type
Mini Cooper Engines by Fuel Type
Choose your Mini Cooper engine by fuel type to compare realistic replacement prices, known issues, and compatible UK supply options - from early N47 diesels to modern B48 petrols and PHEV systems.
Mini Cooper Diesel Engines
DieselThe backbone of high-mileage UK ownership, Mini Cooper diesels span the problematic N47 era through to refined B47 units, driving the majority of replacement enquiries.
Common Mini Cooper Diesel Engine Families
- •N47D16/N47D20 - 2007-2014 R56/R60 units, infamous for rear-mounted timing chain failures.
- •B47D20 - 2014+ F56/F54/F60 workhorse, improved reliability but EGR cooler vulnerabilities remain.
- •B37C15 - 1.5L 3-cylinder efficiency option, prone to injector seal leaks and timing wear.
Found In
- •R56 Hatch/Clubman/R60 Countryman (2007-2014) - N47D16, N47D20
- •F56 Hatch/F54 Clubman/F60 Countryman (2014-present) - B37C15, B47D20
Known For
- •Strong motorway fuel economy and high torque for loaded Countryman variants
- •N47 timing chain tensioner failures typically occurring between 60k-90k miles
- •EGR cooler clogging and DPF regeneration issues on urban-driven examples
Typical Diesel Models
- •Cooper D
- •Cooper D All4
- •Cooper SD
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Mini Cooper Diesel Engines
DieselThe backbone of high-mileage UK ownership, Mini Cooper diesels span the problematic N47 era through to refined B47 units, driving the majority of replacement enquiries.
Common Mini Cooper Diesel Engine Families
- •N47D16/N47D20 - 2007-2014 R56/R60 units, infamous for rear-mounted timing chain failures.
- •B47D20 - 2014+ F56/F54/F60 workhorse, improved reliability but EGR cooler vulnerabilities remain.
- •B37C15 - 1.5L 3-cylinder efficiency option, prone to injector seal leaks and timing wear.
Found In
- •R56 Hatch/Clubman/R60 Countryman (2007-2014) - N47D16, N47D20
- •F56 Hatch/F54 Clubman/F60 Countryman (2014-present) - B37C15, B47D20
Known For
- •Strong motorway fuel economy and high torque for loaded Countryman variants
- •N47 timing chain tensioner failures typically occurring between 60k-90k miles
- •EGR cooler clogging and DPF regeneration issues on urban-driven examples
Typical Diesel Models
- •Cooper D
- •Cooper D All4
- •Cooper SD
Mini Cooper Petrol Engines
PetrolRanging from supercharged W11 classics to problematic N14/N18 Prince engines and modern B38/B48 modular units, petrol dominates Mini Cooper ownership and replacement demand.
Common Mini Cooper Petrol Engine Families
- •W11B16 - Supercharged R53 era engine, robust but suffers from supercharger coupler wear.
- •N14B16/N18B16 - 1.6L turbo Prince family, notorious for timing chain collapse and oil consumption.
- •B38A15/B48B20 - Modern 1.5L and 2.0L turbo engines, highly efficient but face thermostat and HPFP issues.
Found In
- •R53 Cooper S (2001-2006) - W11B16
- •R56/R58/R59/R60 Range (2007-2013) - N14B16, N16B16, N18B16
- •F56 Hatch/F54 Clubman/F60 Countryman (2014-present) - B38A15, B48B20
Known For
- •Punchy throttle response and engaging high-revving driving dynamics across all generations
- •N14 piston ring design flaws causing extreme oil consumption between 40k-80k miles
- •B48 high-pressure fuel pump degradation leading to hard starts and lean misfires
Typical Petrol Models
- •Mini One
- •Cooper
- •Cooper S
Mini Cooper Plug-in Hybrid (PHEV) Engines
PHEVThe Cooper SE combines a 1.5L B38 petrol with an electric motor to offer low-emission driving, though complex cooling and high-voltage faults require specialist replacement care.
Mini Cooper PHEV Engine Codes
- •B38A15 (Hybrid Tune) - Primary 1.5L 3-cylinder petrol unit adapted for PHEV powertrain integration.
- •Integrated electric motor pairs with B38 petrol for up to 19 miles of electric-only range
- •Regenerative braking captures kinetic energy to recharge the high-voltage battery pack
Found In
- •Cooper SE Countryman All4 (F60, 2017-2020)
- •Cooper SE Clubman (F54, 2019-2020)
Important Notes
- •High-voltage battery cooling pump failures are a common trigger for system warnings
- •DC-DC converter degradation often causes auxiliary 12V battery drain and starting issues
- •Specialist coding and thermal management calibration required post-engine installation
Not sure which fuel type your Mini Cooper 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 Cooper specialists.
Engine YearsGet quotes for 2001-2006 Mini Cooper replacement engines →
Mini Cooper Engines by YearWhat Was Fitted & WhenMini Cooper Engines by Year - What Was Fitted & When
This technical timeline covers every major Mini Cooper engine change from the modern BMW-era launch to present, organised so owners can quickly identify their exact year, engine code, and compare rebuilt prices from UK specialists.
⚙Key Changes
- ✓BMW acquisition and complete platform redesign from classic Rover Mini
- ✓R50 hatch, R52 Convertible, and R53 supercharged Cooper S debut
- ✓Introduction of electronic throttle control and CAN-bus diagnostics
▣Main Engines
W11B16- 1.6L supercharged petrol (Mini Cooper S)
W10B16- 1.6L naturally aspirated petrol (Mini One / Cooper)
M47D20- 2.0L diesel (early Cooper D limited imports)
▰Popular Models
- •Mini Cooper S (R53)
- •Mini One
- •Mini Cooper
- •Mini Cooper D
🔧Known For
- ✓W11 Eaton supercharger snout coupler wear causes distinct rattling at idle
- ✓Robust Tritec iron block construction with excellent longevity when oil change intervals are strictly maintained
- ✓Highly desirable for modern classic restorations and enthusiast track days
Engine Codes Covered:
W11B16W10B16M47D20Not sure which year your Mini Cooper 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 Cooper specialists.
FAQ