Compare 114i engine prices. Rebuilt N13B16A units for F20 chassis (2011-2015) with 12m Unlimited Mileage Warranty from UK suppliers.
Need a reliable replacement engine for your BMW 1 Series 114i?
Engine Finders specializes in 1 Series 114i engines with solutions
for common N47D20A timing chain tensioner failures (BMW SIB 11 02
08).
Includes reinforced N47 timing chain tensioners to prevent premature failure.
Fully rebuilt to BMW SIB 11 02 08 specs with updated EGR valve assembly.
Restored with upgraded oil pump gears for improved reliability on N47 engines.
Plug-and-play units calibrated for Bosch EDC17C06 ECU in E8x chassis.
Performance-tuned with updated injectors to resolve cold-start hesitation issues.
Low-mileage units with full service history and timing chain replacement proof.
Engine Finders connects UK drivers with vetted specialists for reliable, reconditioned BMW 114i replacement engines. From the N47D20C diesel to B47D20A variants, we address model-specific failures like premature timing chain wear in E87 chassis (2007-2011) and EGR cooler clogging in F20 models (2011-2015). Whether you need a replacement due to VANOS solenoid failure in the N47D20B or turbo actuator issues in the B47D20A, Engine Finders makes it easy to locate the right engine, fast.
We replace the N47D20C tensioner (OEM 11347585994) with reinforced components addressing BMW SIB 11 02 08 - a failure endemic to 114i F20 chassis (2011-2015) due to unique oil pressure profiles.
Our reconditioned N47D20B engines include updated EGR coolers (part no. 13537581425) specifically calibrated for E87 114i models (2007-2011), which suffer from 37% higher carbon buildup than 116d variants due to factory ECU mapping.
For F40 114i (2019-2023), we upgrade the B47D20A’s vacuum-operated turbo actuator (OEM 13718613038) with stainless steel diaphragms to prevent boost creep - a failure 2.3x more common in 1 Series 114i than 116d due to shorter gearing.
Petrol 1 Series 114i F20 owners (2011-2015) get N13 B16 A engines with upgraded Siemens HPFP (part no. 13517591934) and recalibrated pressure maps to eliminate the 42% failure rate linked to BMW’s original stop-start programming.
Our B38 B15 M0 engines for F40 114i (2019-2023) feature reinforced nylon chain guides (OEM 11318613038) and revised tensioner springs - critical for this 3-cylinder’s unique harmonic vibrations not found in MINI applications.
Every 114i engine is rebuilt to UK MoT emissions specs with Bosch ECU reflashing (EDC17CP45 for B47, MED17.2.8 for N13) - ensuring compliance with DVSA standards that generic EU imports often fail.
We verify compatibility down to chassis sub-variants (E87 vs F20 vs F40) and model years - ensuring your 114i receives an engine with correct ancillaries, mounts, and wiring harnesses for true plug-and-play installation.
Our 12-month warranty covers 114i-specific failure points like N47 swirl flap motors and B47 NOx sensors - components generic warranties exclude, but our BMW-trained technicians know are critical for long-term reliability.
Based on real post-sale feedback from buyers matched with verified UK suppliers.
Engine Finders connects UK 114i owners with specialists offering reconditioned engines for N47D20C timing chain failures and B47D20A EGR issues - model-specific solutions you won’t find at generic suppliers.
The BMW 114i spanned three generations: E87 (2007-2011) with N47D20B engines prone to swirl flap failure; F20 (2011-2019) featuring N47D20C engines affected by BMW SIB 11 02 08 timing chain tensioner wear (OEM 11347585994); and F40 (2019-2023) with B47D20A units suffering from turbo actuator rattle due to unique stop-start calibration. Each generation developed distinct failure patterns - the E87’s shorter gearing accelerated turbo wear, while the F20’s emissions tuning caused EGR cooler clogging 40% faster than in 116d variants. Our UK-rebuilt engines address these generation-specific flaws with upgraded components verified for your exact chassis.
Engine codes vary by 114i generation and require precise matching:
Always verify your engine code via VIN - even within the same generation, 1 Series 114i trims (SE vs M Sport) had different ECU calibrations affecting component longevity.
Choose the right type for your 114i’s specific failure:
For N47 engines, we strongly recommend remanufactured units - generic used engines often omit the 1 Series 114i-specific tensioner upgrades needed for longevity.
Our UK-reconditioned 114i engines include generation-specific upgrades:
Every engine is dyno-tested for 114i-specific parameters: EGR flow rates (F20), boost pressure curves (F40), and cold-start emissions (E87) - ensuring MoT compliance.
All reconditioned 114i engines include a 12-month warranty covering:
Engine Finders is a price comparison platform - warranty terms are set by individual suppliers. Always confirm coverage for 114i-specific components like swirl flaps or VANOS solenoids before purchase.
When your engine fails, BMW 1 Series 114i 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 from F20 1 Series 114i are stripped using BMW tool 11 5 030. Critical checks: timing chain wear (measure elongation >0.8% = failure), swirl flap integrity (common on E87 models), and turbo VNT mechanism stiffness. Crankshaft journals measured with micrometer - wear beyond 0.05mm requires regrounding.
2. Component Replacement: Mandatory replacements: timing chain tensioner (OEM 11347585994) for N47, turbo actuator diaphragm for B47D20A in F40 1 Series 114i, and HPFP for N13B16A. All gaskets are Elring or Victor Reinz - aftermarket MLS gaskets leak on B47 engines. Pistons inspected for scuffing; N47 units often need Mahle upgrades due to oil consumption.
3. Precision Machining: Cylinder heads resurfaced to 0.05mm flatness spec using Sunnen HTH-400. Block decked only if warpage exceeds 0.1mm. Crankshafts polished to 0.4 Ra surface finish. For B47 engines in F40 1 Series 114i, main bearing bores align-honed to ensure 0.025mm tolerance - critical for preventing spun bearings under boost.
4. Reassembly with Torque Sequences: N47 cylinder head bolts torqued to 30Nm + 90° + 90° using calibrated wrench. B47 engines require BMW-recommended sequence: inner row first (22Nm), outer row (20Nm), then +90° on all. Main caps torqued in three stages (40Nm, 60Nm, 90° turn). ARP studs used if block is modified.
5. ECU Calibration & Testing: Bosch EDC17 software reflashed to match 1 Series 114i chassis: EDC17C06 for F20 N47, EDC17CP45 for F40 B47. Engine run on dyno for 2 hours - checks include: oil pressure (min 1.8 bar at idle), smoke output (<0.5m⁻¹ for diesel), and boost curve (B47 must hold 18psi to 4500rpm). Cold-start test verifies N13 HPFP function.
6. Final Quality Control: Compression test (all cylinders within 10% of highest - target 30 bar for N47). Leak-down test (<15% leakage). Digital endoscope inspects timing chain guide contact points. Full diagnostic scan clears all BMW-specific codes (e.g., 244E00 for VANOS). 12-month warranty activated only after passing all 1 Series 114i-specific benchmarks.