Mini Clubman John Cooper Works Engine ReplacementCompare Prices & Get Quotes
Get quotes today from trusted UK Mini Clubman John Cooper Works engine specialists. Compare prices on reconditioned, rebuilt and used engines to find the most cost-effective, warranty-backed solution for your vehicle.
Supply & Fit Available
12-Month Warranty
Nationwide Delivery
100+ Suppliers
From £3,200 to £5,500
Used from £800 · Reconditioned from £2,000 · Common codes: N18B16A, B48A20A
From £800
Tested, bare/short engine
From £2,000
Rod bearings addressed, tested
From quote
Upgraded bearings, full teardown, revised valvetrain
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3 Simple Steps3 Simple Stepsto Finding the Best Mini Clubman John Cooper Works Replacement Engineto Finding the Best Mini Clubman John Cooper Works Replacement Engine
Most replacements completed within 3-5 days.
Variant HistoryMini Clubman John Cooper Works - Engine History & Specs at a Glance
Launched as the ultimate performance estate variant of the modern Mini range, the Mini Clubman John Cooper Works has evolved from a highly-strung 1.6L turbocharged unit to BMW’s robust, modular 2.0L architecture, delivering premium hot-hatch power with practical estate versatility.
Variant HistoryMini Clubman John Cooper Works - Engine History & Specs at a Glance
Launched as the ultimate performance estate variant of the modern Mini range, the Mini Clubman John Cooper Works has evolved from a highly-strung 1.6L turbocharged unit to BMW’s robust, modular 2.0L architecture, delivering premium hot-hatch power with practical estate versatility.
Mini Clubman John Cooper Works
Fuel TypePetrol
Engine Size Range1.6L - 2.0L
Power Output Range211hp - 231hpEngine History Timeline
N18B16A 1.6L Turbocharged Petrol, 211hp (R55 generation launch, revised Prince engine with twin-scroll turbo and upgraded internals)
B48A20A 2.0L Turbocharged Petrol, 231hp (F54 generation, modular BMW engine with front-mounted timing chain, direct injection, and improved thermal management)
Key Specs Snapshot
Fuel TypePetrolEngine Size Range1.6L - 2.0LPower Output Range211hp - 231hpYears Produced2008 - presentEvery engine fitted to the Mini Clubman John Cooper Works is covered below, with UK rebuilt pricing estimates and known failure points to help you make an informed replacement decision.
Mini Clubman John Cooper Works Engine Codes - Specifications & Replacement CostMini Clubman John Cooper Works Engine Codes - Specifications & Replacement Cost
1.6L Turbocharged Petrol (2008-2014)
Power Output211hpYears Fitted2008-2014
Compatible Trim Levels
- Mini Clubman John Cooper Works (R55)
Find your exact engine code, specs and UK replacement cost guide.
Used
Tested, ready-to-fit engine
£400-£900
Reconditioned
Addressed known issues, tested
£1,200-£2,200
Rebuilt
Full teardown, upgraded internals
£2,000-£3,500
Common Failure
Timing chain stretch and high-pressure fuel pump (HPFP) degradation. While improved over the earlier N14, the N18 remains sensitive to extended oil service intervals under performance driving conditions `[THIRD-PARTY]`.
The reliability of the Mini Clubman John Cooper Works depends heavily on its generation. The dominant replacement demand comes from the R55 N18B16A due to timing chain and fuel system wear, while the F54 B48A20A sees intervention primarily for cooling system failures. Rebuilt engines sourced through EnginesMarket include upgraded components addressing these original failure points, backed by a minimum 12-month unlimited-mileage warranty.
Why the Mini Clubman John Cooper Works N18B16A Requires Vigilance
Affected Vehicles
Mini Clubman John Cooper Works (N18B16A, 2008-2014)
Typical Failure Mileage
60,000-100,000 miles
Root Cause
The Prince engine architecture subjects the timing chain and high-pressure fuel pump to extreme stress. Aggressive driving combined with extended oil service intervals accelerates chain guide wear and HPFP internal degradation.
Why It Happens
The Prince engine architecture subjects the timing chain and high-pressure fuel pump to extreme stress. Aggressive driving combined with extended oil service intervals accelerates chain guide wear and HPFP internal degradation.
Dealer (parts + labour)
£1,200-£1,800
Specialist (parts + labour)
£600-£1,000
What it involves
Replace timing chain kit, tensioner, and inspect/replace HPFP before catastrophic failure.
Suitability
Good if caught early; does not fix existing internal block wear.
1 - 2 daysDealer (parts + labour)
£3,500-£5,500
Specialist (parts + labour)
£2,000-£3,500
What it involves
Supply & fit of a rebuilt N18B16A with upgraded timing components and 12-month warranty.
Suitability
The right call if the chain has jumped or HPFP failure caused internal scoring.
1 - 2 daysAll prices are indicative UK market ranges based on current UK specialist supplier data.| Repair Tier | Dealer (Parts + Labour) | Specialist (Parts + Labour) | What It Involves | Suitability | Estimated Time |
|---|---|---|---|---|---|
 Preventative Chain & HPFP Service Minor | £1,200-£1,800 | £600-£1,000 | Replace timing chain kit, tensioner, and inspect/replace HPFP before catastrophic failure. | Good if caught early; does not fix existing internal block wear. | 1 - 2 days |
 Full Replacement - rebuilt/reconditioned engine Best Value | £3,500-£5,500 | £2,000-£3,500 | Supply & fit of a rebuilt N18B16A with upgraded timing components and 12-month warranty. | The right call if the chain has jumped or HPFP failure caused internal scoring. | 1 - 2 days |
Our Recommendation
Our Recommendation
For R55 models showing early timing chain rattle but still running smoothly, a preventative chain kit and HPFP service by a specialist is the most cost-effective route. However, if the engine has suffered catastrophic timing failure, a rebuilt engine is the only reliable long-term solution. For F54 models, address any cooling system warnings immediately to prevent secondary overheating damage.
Don't Let Engine Failure Write Off Your Mini Clubman John Cooper Works
Navigating engine failure is stressful, but you do not have to accept main dealer premiums. By comparing quotes through EnginesMarket, you gain access to vetted UK specialists who supply rebuilt Mini Clubman John Cooper Works engines featuring upgraded components that address the original design weaknesses. With a minimum 12-month unlimited-mileage warranty and nationwide supply-and-fit options, you can restore your vehicle's performance reliability confidently and cost-effectively.
12-Month Minimum
UK Specialists Vetted
Best Price GuidanceImportant Information
Important Information
"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 EnginesMarket'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 Clubman John Cooper Works. Every engine supplied through EnginesMarket carries a minimum 12-month unlimited mileage warranty - always confirm exact terms with your chosen supplier."
Mini Clubman John Cooper Works Engine ReplacementFrequently Asked Questions
Question 1How much does a Mini Clubman John Cooper Works engine replacement cost-
The cost depends on the engine condition and generation. For the common N18B16A and B48A20A engines, a used unit typically costs £400-£1,800 (supply only), while a fully reconditioned or rebuilt engine with a warranty ranges from £2,000 to £5,500 (supply only).
- Used engines are cheapest but carry higher risk for a performance vehicle.
- Rebuilt engines include upgraded components and a 12-month warranty.
- Supply and fit labour adds approximately £500-£900 depending on the specialist.
Question 2What are the early signs of N18B16A failure in a Mini Clubman John Cooper Works-
The most common early warning sign is a distinct rattling or ticking noise from the engine bay during a cold start, which may fade as the engine warms up.
- You may also notice a high-pitched whine from the high-pressure fuel pump (HPFP).
- A loss of boost pressure or rough idling can indicate the chain has stretched significantly.
- Warning: Ignoring a rattling timing chain can lead to catastrophic internal engine damage.
Question 3Is it worth replacing the engine in an older R55 Mini Clubman John Cooper Works-
It depends on the vehicle's current market value and overall condition. R55 models often value between £6,000 and £12,000.
- If the car is worth under £8,000, a used engine or major preventative repair may be the most financially viable option.
- If the car is in exceptional cosmetic condition or holds sentimental value, a rebuilt engine can extend its life reliably.
- For newer F54 models (£15,000+), a rebuilt engine is a sound financial investment.
Question 4How long does a Mini Clubman John Cooper Works engine replacement take-
A professional supply and fit service for a Mini Clubman John Cooper Works typically takes 1 to 3 working days.
- Sourcing a quality reconditioned or rebuilt engine may take a few days if not immediately available.
- The physical removal and installation process is straightforward for experienced Mini specialists.
- Additional time may be required for ECU coding, turbo adaptation, and system resets.
Question 5What is the difference between the Mini Clubman John Cooper Works and standard Clubman Cooper S engines-
While both are high-performance petrol variants, the John Cooper Works uses significantly upgraded internals compared to the Cooper S.
- The JCW features a larger twin-scroll turbocharger, forged pistons, a reinforced connecting rod assembly, and aggressive ECU mapping to deliver higher boost and power output.
- Consequently, JCW engine replacements require precise calibration and carry a higher price tag than standard Cooper S units.
Why Choose UsCompare Mini Clubman John Cooper WorksEngine PricesToday
500+ Mini Clubman John Cooper Works engines supplied through our network
12-Month Warranty on every rebuilt Mini Clubman John Cooper Works engine
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