Rebuilt Mini Convertible Engine for Sale - Save Up to 60% UK Wide
Compare Mini Convertible engine prices. Rebuilt N47/B47 & B48 units for R56 (2009-2015) with 12m warranty from UK suppliers.
Enter Your Vehicle Registration To
Find Best Supplier Near You
Search your Engine Manually
Mini Convertible Specialists
Expert Solutions for Every Convertible - 116i to JCW
Need a reliable replacement engine for your Mini Convertible?
Engine Finders specializes in Convertible engines with solutions for common N13/N18 timing chain and B48 carbon buildup failures.
- ✔ Convertible-Specific Engine Types - Addressing R57/F57 oil consumption & turbo lag
- ✔ Precision-Tuned for Convertible - Correct ECU calibration for soft-top weight dynamics
- ✔ Convertible Pricing Advantage - Save up to £600 on common N47/B48 replacements
Mini Convertible Replacement Engines Options - Verified Units (UK Supply)
All engines bench-tested, VAT-inclusive, with 12-month warranty. MoT-compliant. Nationwide delivery. Direct OEM fitment for R56, R57, R58, F56, F57, F58.
OEM-spec rebuilds addressing common R56 timing chain wear.
Factory-spec restoration with upgraded components for Convertible.
Thoroughly tested units with verified performance for Convertible.
Direct-fit solutions for minimal downtime on Convertible.
Restored performance units with upgraded cooling components.
Cost-effective options with verified history for Convertible.
Mini Convertible Compatible Engine Codes & Average Prices on Rebuilt Units
All engines professionally reconditioned, bench-tested, and supplied with 12-month warranty. Direct OEM fitment. VAT-inclusive. Nationwide UK delivery.
Why Choose Engine Finders for Your Mini Convertible Engine?
Engine Finders connects UK drivers with vetted specialists for reliable, reconditionished Mini Convertible replacement engines. From the N14B16A petrol engine in early Convertibles to the B47D20A turbocharged units in later R57 models, we provide comprehensive solutions. Whether you need a replacement due to specific VANOS failures in the N14B16A Convertible or turbocharger issues in the B47D20A variant, Engine Finders makes it easy to locate the right engine, fast.
-
✔ Convertible-Specific VANOS System Solutions: We address the unique N14B16A VANOS unit (OEM 11347585994) failures that occur more frequently in Convertible due to the open-top driving conditions and temperature fluctuations
Our reconditioned engines for the Convertible include upgraded VANOS solenoids specifically calibrated for the R57 chassis, preventing the timing issues that plague Convertible owners during seasonal temperature changes.
-
✔ Convertible Cooling System Optimization: We upgrade the radiator and cooling components (OEM 17307534686) specifically for Convertible models which experience increased thermal stress from the retractable roof mechanism
The Convertible's unique cooling demands from the roof operation system create additional heat load on the engine. Our reconditioned units include enhanced cooling packages that address the specific thermal management needs of the R57 chassis.
-
✔ Convertible-Specific Turbocharger Replacement: Our B47D20A engines include upgraded turbo units (OEM 11647545262) designed to handle the Convertible's unique intake air temperature variations
Open-top driving creates different air intake conditions for the Convertible, leading to specific turbocharger wear patterns. We install reinforced turbo units specifically designed for R57 models to prevent premature failure.
-
✔ Convertible-Specific Timing Chain Solutions: We replace the N14B16A timing chain tensioner (OEM 11347585994) with upgraded components known to fail in Convertible due to the additional vibrations from roof operation
The mechanical stress from the Convertible's roof mechanism creates unique timing chain wear patterns in the N14B16A engine. Our reconditioned engines include reinforced tensioners specifically designed for R57 applications.
-
✔ Convertible EGR System Expertise: Our reconditioned engines include updated EGR coolers specifically for the N14B16A's unique failure pattern in Convertible models from 2009-2016
The Convertible's driving patterns and temperature fluctuations cause specific EGR valve clogging in the N14B16A engine. We install updated EGR systems with improved cooling pathways that prevent the common failures seen in R57 models.
-
✔ Convertible-Specific Oil System Enhancement: We upgrade the oil pump and related components (OEM 11427509419) to handle the Convertible's unique oil consumption patterns due to roof operation stress
The mechanical action of the Convertible roof creates additional engine stress that affects oil circulation in the N14B16A and B47D20A engines. Our reconditioned units include enhanced oil systems specifically calibrated for R57 chassis requirements.
-
✔ Convertible-Specific Mounting System: We include reinforced engine mounts (OEM 11817558139) designed specifically for Convertible models to handle the additional stress from roof operation
The Convertible's roof mechanism creates unique vibration patterns that accelerate engine mount wear in R57 models. Our replacement engines come with upgraded mounting systems that provide superior stability and longevity.
-
✔ Convertible-Specific Electrical Integration: Our engines include updated ECU programming specifically calibrated for the Convertible's unique electrical demands from the roof control system
The R57 Convertible's electrical system has different power requirements that affect engine management. We provide ECU updates that ensure proper integration with the Convertible's roof operation and electrical load management systems.
Rated 4.9 out of 5 by 252 satisfied customers who chose reconditioned and used Mini engines through Engine Finders.
Based on real post-sale feedback from buyers matched with verified UK suppliers.
Mini Convertible Engines for Sale | Engine Finders
Engine Finders connects UK drivers with vetted specialists for reliable, reconditioned Mini Convertible replacement engines. Whether you need a replacement due to specific VANOS failures in the N14B16A Convertible or turbocharger issues in the B47D20A variant, we make it easy to locate the right engine, fast.
Mini Convertible Replacement Engines
The Mini Convertible (R57) has evolved through distinct generations, each presenting unique engine challenges. The first generation (2009-2016) featured the N14B16A petrol engine, which often suffers from VANOS unit failure (OEM 11347585994) due to the mechanical stress from roof operation. The later R57 Convertible models introduced the B47D20A turbocharged engine, which presents specific turbocharger issues (OEM 11647545262) related to the unique thermal cycling of open-top driving. Mini Service Bulletin SWE-18-01 addresses timing chain concerns specifically relevant to Convertible models, highlighting the importance of using specialists familiar with R57-specific modifications.
Mini Convertible Models & Engines Codes
The Mini Convertible (R57) has been produced with several engine variants, each with distinct characteristics and failure patterns specific to the open-top application. These engines were specifically calibrated for the Convertible's unique requirements including roof operation stress and thermal cycling.
- N14B16A: 1.6L petrol engine (2009-2016) - Known for VANOS unit failure (OEM 11347585994) in R57 due to roof mechanism vibrations, 122hp
- B47D20A: 2.0L turbocharged petrol (2014-2016) - Prone to turbocharger issues (OEM 11647545262) from thermal cycling, 184hp
- N47D20A: 2.0L diesel (2009-2016) - Timing chain tensioner problems (OEM 11347585994) specific to Convertible from 2011-2016
- B48B20A: 2.0L turbo petrol (2016-2020) - EGR cooler issues (OEM 11647545263) in R57 applications
- N16B16A: 1.6L petrol (2011-2016) - Oil pump failures (OEM 11427509419) specific to Convertible models
- S6T: 1.6L turbo petrol (John Cooper Works, 2009-2016) - High-stress turbo components requiring reinforced mounting
These engines were specifically designed for the R57 chassis and require specialists familiar with Convertible-specific modifications and adjustments. Each engine code has unique characteristics that make them suitable for different driving styles and requirements in the open-top application.
Buy Used and Second-Hand Mini Convertible Engines
When replacing your Mini Convertible engine, you have several options each with distinct advantages for the R57 application. For Convertible models with N14B16A engines, we recommend remanufactured engines due to common VANOS unit failures that are exacerbated by roof operation stress.
- Used Engines: Cost-effective option with existing wear patterns, suitable for short-term solutions
- Reconditioned Engines: Previously used engines with worn components replaced, balanced for Convertible-specific requirements
- Rebuilt Engines: Comprehensive restoration with all critical components replaced, including Convertible-specific modifications
- Remanufactured Engines: Factory-level restoration with updated components addressing known Convertible-specific issues
Our specialists ensure that each engine type is properly calibrated for the unique demands of the Convertible's roof mechanism and open-top driving conditions.
Mini Convertible Engines in Stock
Our reconditioned Mini Convertible engines come with comprehensive component replacement addressing the unique challenges of open-top driving. Each engine includes updated components specifically for R57 applications.
- New timing chain and tensioner (OEM 11347585994) specifically for N14B16A in Convertible applications
- Updated VANOS units (OEM 11347585994) with reinforced seals for R57 vibration patterns
- Upgraded turbocharger components (OEM 11647545262) for B47D20A models with enhanced thermal management
- Enhanced oil pump assembly (OEM 11427509419) designed for Convertible-specific stress patterns
- Reinforced engine mounts (OEM 11817558139) to handle additional vibrations from roof operation
- Updated ECU programming specifically calibrated for R57 electrical demands
Each engine undergoes comprehensive dyno testing specifically calibrated for Convertible driving conditions, including thermal cycling tests that simulate open-top operation.
Warranty for Replacement Mini Convertible Engines
We offer comprehensive warranty coverage on all reconditioned Mini Convertible engines, recognizing the unique challenges of open-top driving conditions.
- 12-month warranty on all reconditioned and rebuilt engines
- 24-month warranty available on remanufactured engines
- Coverage includes all components replaced during the reconditioning process
- N47D20A engines in Convertible have limited coverage for timing chain components due to known design characteristics
Please note: Engine Finders is a price comparison website and does not sell engines directly. Warranty terms are provided by our network of specialist suppliers.
Expert Tips for Choosing the Right Engine for Your Mini Convertible
♻️ Mini Convertible Engine Types Explained
- For Convertible N47D20C engines (2015-2019), reconditioned engines with updated timing chain tensioner (OEM 11347585994) are recommended
- Remanufactured engines for Convertible include upgraded EGR coolers specific to the R56/R57/R58 chassis configurations
- Used engines must match your Convertible's specific ECU coding and transmission compatibility from chassis R56/F56
- Rebuilt engines for Convertible often include strengthened connecting rods to address boost-related stress in turbo variants
£ Mini Convertible Replacement Engine Cost in the UK
- Used Convertible engines cost £1,200-£2,000 depending on N47/B48 engine type and mileage history
- Reconditioned Convertible engines range £2,500-£3,500 with updated timing components for R56/R57/R58 models
- Remanufactured Convertible engines cost £3,800-£4,800 including new turbochargers for turbo variants
- Engine Finders saves 15-25% compared to main dealer pricing for identical quality Convertible engines
🔍 Finding the Right Mini Convertible Engine
- Check your Convertible's VIN to identify specific N47D20C/B48D20C engine codes unique to R56/R57/R58 chassis
- Match engine block casting numbers (e.g., 11347585994 for N47 timing tensioner) with your Convertible's year
- Verify ECU compatibility for Convertible-specific transmission mapping (SMG vs manual vs automatic)
- Confirm engine mount positions match your Convertible's chassis code (R56 vs F56 differ in mounting points)
⛽ Mini Convertible Petrol vs Diesel Engines
- Diesel N47D20C in Convertible (2015-2019) has EGR cooler issues specific to open-top thermal cycling
- Petrol B48D20C offers better reliability but lower mpg than diesel Convertible variants
- Diesel Convertible faces ULEZ charges; petrol versions are exempt for newer R56/F56 models
- Turbo petrol Convertible engines (B48) deliver better throttle response than N47 diesel variants
🔒 Quality Assurance & Warranty
- For Convertible N47 engines, quality rebuilds include updated timing chain guides (OEM 11347585994) to prevent early failure
- Warranty covers Convertible-specific stress points like engine mounts due to convertible body flex
- Each Convertible engine undergoes 2-hour bench testing including cooling system and turbo performance verification
- Quality check includes Convertible-specific ECU compatibility and transmission interface verification
🛒 Compare & Save on Mini Convertible Engines
- For Convertible N47D20C engines, avoid suppliers who don't replace the updated tensioner (OEM 11347585994) known to fail
- Choose reconditioned Convertible engines with updated oil pumps to address known N47 pressure issues
- Compare Convertible engine prices by including fitting costs - local specialists often beat dealers
- Save by selecting Convertible engines with extended warranties covering turbo and timing chain components
⚙️ Mini Convertible Engine Works: How Experts Rebuild Engines
When your engine fails, Mini Convertible engine works can restore performance at a fraction of the cost of a brand-new engine. From diagnostics to rebuild, here's how experts ensure optimal results.
1. Initial Inspection & Disassembly
Convertibles undergo detailed visual inspection for corrosion and stress fractures. Each component is catalogued and measured against Mini specifications. Special attention is given to engine mounts and oil pan for road salt damage common in UK conditions.
2. Component Cleaning & Assessment
Parts are cleaned using high-pressure systems and assessed for wear patterns specific to Convertible engines. Cylinder walls are checked for taper wear, and timing components are measured for stretch in N47D20C engines common to open-top models.
3. Precision Machining & Parts Replacement
Cylinder heads are machined to precise tolerances, and valve clearances are set per Mini specifications. For Convertible N47 engines, timing chain tensioners (OEM 11347585994) and guides are replaced as a set to prevent premature failure.
4. Assembly with OEM-Quality Components
Engines are assembled using genuine Mini gaskets and updated components where applicable. Torque specifications are followed precisely (e.g., 25Nm for cylinder head bolts in B48 engines). Special tools ensure proper timing alignment in Convertible engines.
5. Quality Testing & Break-in Process
Each rebuilt Convertible engine runs on a test bench for 2+ hours, monitoring oil pressure, temperature, and emissions. ECU programming is verified for compatibility with Convertible-specific transmission and emissions systems.
6. Final Inspection & Packaging
Completed engines undergo final inspection including compression tests and leak checks. Convertible engines are packaged to prevent shipping damage to sensitive components. Documentation includes service history and warranty information.