BMW 114d Engine Replacement - Rebuilt & Reconditioned Units from £1,763
Compare BMW 114d replacement engine prices from trusted UK suppliers. Rebuilt and reconditioned units come with a 12-month unlimited-mileage warranty and full OEM-spec testing. Save up to 60% versus a main dealer quote.
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BMW 1 Series 1 Series 114d Specialists
Expert Solutions for Every 1 Series 114d - 114d to 114d M Sport
Need a reliable replacement engine for your BMW 114d?
Engine Finders specializes in 114d engines with solutions for
common N47D20A failures.
- ✔ 114d-Specific Engine Types - Addressing timing chain wear in N47D20A variants
- ✔ Precision-Tuned for 114d - Correct calibration for EGR and DPF systems
- ✔ 114d Pricing Advantage - Save up to £800 on common timing chain replacement
BMW 1 Series 114d Replacement Engines - Rebuilt Units (UK Supply)
All engines bench-tested, VAT-inclusive, with 12-month warranty. MoT-compliant. Nationwide delivery. Direct OEM fitment for E87, F20.
Includes reinforced timing chain tensioner for N47D20A reliability.
Full rebuild with updated EGR valve to prevent clogging issues.
DPF-compliant rebuilds with calibrated injectors for optimal economy.
Plug-and-play units with correct ECU mapping for 114d chassis.
Includes upgraded turbo actuator to prevent common boost faults.
Low-mileage units with full service history and leak-free seals.
BMW 114d Compatible Engines - Average Prices of Rebuilt Units (UK Supply)
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 BMW 1 Series 114d Engine?
Engine Finders connects UK drivers with vetted specialists for reliable, reconditioned BMW 114d replacement engines. From the N47D20C diesel to B47D20A variants, we address 114d-specific failures like EGR valve clogging due to low-power ECU maps and timing chain rattle from unique VANOS calibration. Unlike generic suppliers, we rebuild engines specifically for your 114d’s chassis and model year.
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✔ 114d-Specific Timing Chain Fix: N47D20C Tensioner Upgrade
We replace the failure-prone plastic tensioner in N47D20C engines with reinforced metal units - addressing the premature wear unique to 114d F20 models (2012-2015) caused by low-RPM urban driving cycles and specific VANOS mapping.
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✔ EGR System Overhaul for B47D20A 114d
Our B47D20A rebuilds include updated EGR coolers (BMW P/N 11728617895) and deleted swirl flaps - solving the chronic carbon buildup that plagues 2015-2019 114d LCI models due to their economy-tuned ECU calibration,.
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✔ Turbo Actuator Replacement for 114d M Sport B47D20B
We install new OEM-spec actuators in B47D20B engines for M Sport variants, resolving boost pressure faults caused by the sportier throttle mapping and higher idle RPM - a failure pattern rarely seen in standard 114d trims.
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✔ DPF Regeneration Calibration for 114d EffecientDynamics
For rare B47C20U0 ED models, we recalibrate DPF regeneration software and clean/replace sensors to prevent limp mode - addressing failures caused by ultra-lean burn tuning unique to 114d EffecientDynamics (2014-2015).
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✔ Injector Recalibration for N47D20B E87 114d
We install genuine Bosch injectors calibrated specifically for the E87 114d’s (2007-2011) lower-power ECU map - preventing misfires and smoke issues that generic rebuilds often cause due to incorrect fuel delivery profiles.
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✔ Crankcase Breather Upgrade for 114d M Sport
Includes upgraded breather valve (BMW P/N 11618617823) in B47D20B engines to prevent oil leaks and vacuum faults - a critical fix for M Sport variants where higher engine load accelerates component failure compared to standard 114d.
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✔ NOx Sensor Replacement for B47C20U0 ED Models
We fit new NOx sensors and update emissions software in B47C20U0 engines - resolving check engine lights triggered by the strict emissions calibration of 114d EffecientDynamics, which fails faster than in higher-output 1 Series variants.
Rated 4.9 out of 5 by 1081 satisfied customers who chose reconditioned and used BMW engines through Engine Finders.
Based on real post-sale feedback from buyers matched with verified UK suppliers.
BMW 1 Series 114d Engines for Sale | Engine Finders
Engine Finders connects UK 114d owners with specialists offering reconditioned engines specifically for N47D20C and B47D20A variants - solving common failures like EGR clogging and timing chain rattle unique to your model’s low-power tuning.
BMW 114d Replacement Engines
The BMW 114d debuted in 2007 (E87 chassis) with the N47D20B diesel, tuned for economy with lower boost and unique EGR calibration - leading to premature swirl flap and cooler failures. The 2012 F20 generation introduced the N47D20C, plagued by plastic timing chain tensioner wear due to low-RPM urban driving cycles. The 2015 LCI update brought the B47D20A/B, suffering from turbo actuator and DPF regeneration faults amplified by the 114d’s lean-burn ECU map. Each generation requires specific rebuild protocols - our suppliers address these with model-year-specific components and calibrations.
BMW 114d Models & Engines Codes
Only these engine codes were factory-fitted to the BMW 114d across its generations:
- N47D20B (2.0L diesel, E87 2007-2011): Prone to swirl flap motor failure and EGR cooler leaks - exacerbated by the 114d’s low-power, high-idle tuning.
- N47D20C (2.0L diesel, F20 2012-2015): Notorious for timing chain tensioner failure causing cold-start rattle - unique to 114d due to specific VANOS mapping.
- B47D20A (2.0L diesel, F20 LCI 2015-2019): Suffers from DPF clogging and NOx sensor faults - intensified by the 114d’s ultra-lean economy calibration.
- B47D20B (2.0L diesel, F20 LCI M Sport 2015-2019): Turbo actuator failures common due to sportier throttle mapping - not seen in standard 114d trims.
- B47C20U0 (2.0L diesel, F20 ED 2014-2015): Ultra-efficient variant with unique EGR valve carbon buildup - requires specific software recalibration.
Unlike the 116d, the 114d’s lower boost pressure and extended low-RPM operation create distinct wear patterns - demanding rebuilds with model-specific component upgrades.
Buy Used and Second-Hand BMW 114d Engines
For 114d owners, engine type choice is critical due to model-specific failure risks:
- Used: Low-mileage units with full history - ideal for E87 114d if swirl flaps are already deleted.
- Reconditioned: Essential for N47D20C - includes new tensioner and guides to fix 114d-specific chain wear.
- Remanufactured: Best for B47D20A/B - full rebuild with updated EGR, DPF, and actuator to prevent 114d-specific limp mode.
All engines are UK-sourced, MoT-compliant, and rebuilt to OEM tolerances specifically for your 114d’s chassis and ECU profile.
BMW 114d Engines in Stock
Our stocked 114d engines include critical model-specific upgrades:
- N47D20C: Reinforced metal tensioner (replaces 11347585994), upgraded plastic guides, and VANOS recalibration for 114d idle stability.
- B47D20A: New EGR cooler (11728617895), cleaned DPF, and emissions software update to prevent 114d-specific regeneration faults.
- B47D20B: Genuine turbo actuator, upgraded breather valve (11618617823), and M Sport throttle mapping to eliminate boost errors.
Every unit is bench-tested for compression, oil pressure, and ECU communication - calibrated specifically for 114d output and emissions.
Warranty for Replacement BMW 114d Engines
All reconditioned 114d engines come with a 12-month, unlimited-mileage parts warranty:
- Covers engine block, head, internals, and fitted components like tensioners and EGR coolers.
- Excludes labor, ancillaries (alternator, starter), and damage from improper installation or lack of maintenance.
- N47D20C timing chain systems have limited 6-month coverage due to inherent design vulnerability in 114d applications.
Engine Finders is a price comparison platform - warranty terms are set by individual suppliers. Always confirm coverage directly with your chosen provider.
Expert Tips for Choosing the Right Engine for Your BMW 1 Series 114d
BMW 114d Engine Types Explained
- Reconditioned N47D20C: Includes metal tensioner for 2012-2015 114d chain rattle fixes.
- Remanufactured B47D20A: Updated EGR & DPF for 2015-2019 114d’s lean-burn calibration issues.
- Used N47D20B: Only if swirl flaps deleted - common failure in E87 114d (2007-2011).
- M Sport B47D20B: Must include new turbo actuator - fails under 114d M Sport’s aggressive mapping.
BMW 114d Replacement Engine Cost in the UK
- N47D20C reconditioned: £2,000 - cheapest fix for 2012-2015 timing chain failures.
- B47D20A remanufactured: £3,000 - worth it for DPF/EGR fixes on 2015-2019 LCI models.
- B47D20B M Sport: £3,642 - premium for actuator & breather upgrades specific to sport tune.
- Save £800+ vs main dealer - our UK specialists undercut BMW on 114d-specific rebuilds.
Finding the Right BMW 114d Engine
- Check VIN: 8th digit “D” + 10th digit “C” = N47D20C for F20 2012-2015 114d.
- Avoid F40 engines - mounts incompatible with F20 114d chassis (2015-2019).
- E87 114d (2007-2011) only takes N47D20B - don’t accept N47D20A (wrong ECU map).
- Verify tensioner P/N 11347585994 included - critical for N47D20C 114d longevity.
BMW 114d Petrol vs Diesel Engines
- 114d is diesel-only - no petrol variant exists. Don’t confuse with 114i petrol.
- N47/B47 diesels: 50+ mpg highway but EGR/DPF headaches in city-driven 114d.
- ULEZ compliant only if post-2015 B47 - pre-2015 N47 114d incurs London charges.
- Best for motorway: B47D20A. Best for city: avoid - DPF clogs fast in stop-start 114d.
Quality Assurance & Warranty
- N47D20C: Demand proof of metal tensioner install - plastic ones fail in 6 months.
- B47 engines: Must include EGR cooler P/N 11728617895 - known 114d weak point.
- 12-month warranty standard - but N47 chain components often excluded (ask first).
- Our suppliers bench-test compression & ECU comms - specific to 114d output specs.
Compare & Save on BMW 114d Engines
- Get 3+ quotes - 114d rebuild specs vary wildly (e.g., tensioner material matters).
- Avoid “cheap” N47D20C - if tensioner isn’t upgraded, you’ll pay double in 1 year.
- Ask for 114d-specific ECU calibration - generic maps cause limp mode in LCI models.
- Engine Finders saves avg. £800 - we filter suppliers who know 114d quirks.
BMW 114d Engine Works: How Experts Rebuild Engines
When your engine fails, BMW 114d 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. Disassembly & Inspection: N47D20C engines are stripped using BMW tool 11 3 470. Critical check: plastic tensioner wear - 90% fail in 114d by 80k miles. B47 units inspected for turbo actuator play - unique failure in 114d M Sport due to aggressive mapping.
2. Component Replacement: N47: Install metal tensioner, updated guides, and VANOS seals. B47: Fit new EGR cooler (11728617895), DPF sensors, and recalibrate for 114d’s 95hp map. All gaskets are BMW Genuine - aftermarket ones leak on 114d’s high-pressure diesel system.
3. Precision Reassembly: Torque cylinder head to 25Nm + 90° using BMW sequence. Critical for B48/B47 - incorrect torque cracks heads in 114d applications. Install new injector seals (prone to leak in low-power 114d tune) and recalibrate rail pressure for model-specific economy settings.
4. ECU Calibration & Coding: Flash ECU with 114d-specific software - generic calibrations cause DPF regeneration faults in LCI models. Code injectors to VIN and adapt throttle mapping for M Sport variants. Without this, 114d suffers limp mode or poor idle.
5. Bench Testing: Run for 2+ hours on dyno - monitor oil pressure (must hold 2.5bar at idle for N47 114d), compression (min 18bar), and EGR flow. Test DPF regeneration cycle - must complete without errors for 114d compliance.
6. Final Quality Control: Verify no leaks, correct idle RPM (820±20 for N47 114d), and smooth throttle response. Attach certification tag with rebuild date, tensioner P/N, and 114d-specific torque specs. Only then is it Engine Finders approved.