BMW 118i Mhev Engine Replacement - Rebuilt & Reconditioned Units from £3,250
Compare BMW 118i Mhev 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.
Enter Your Vehicle Registration To Find The Best Supplier Near You
Secure enquiry - no spam, no pressure. Genuine quotes only.
BMW 1 Series 118i MHEV Specialists
Expert Solutions for Every 1 Series 118i MHEV - 116i to 118i MHEV
Need a reliable replacement engine for your BMW 1 Series 118i MHEV?
Engine Finders specializes in 1 Series 118i MHEV engines with solutions for common N47D20C failures.
- ✔ 1 Series 118i MHEV-Specific Engine Types - Addressing EGR valve clogging in N47D20C variants
- ✔ Precision-Tuned for 1 Series 118i MHEV - Correct calibration for M Performance boost curves
- ✔ 1 Series 118i MHEV Pricing Advantage - Save up to £1,200 on common EGR failures
BMW 1 Series 118i MHEV 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 F20, F40 chassis.
High-performance rebuilds with OEM parts for F20/F40 chassis.
Fully stripped and rebuilt to factory specs with M Performance calibration.
Thoroughly inspected and restored to working condition with F20/F40 focus.
Direct swap engines for minimal downtime with F20/F40 compatibility.
Cleaned, tested, and performance-tuned units with F20/F40 validation.
Affordable options with verified mileage and history for F20/F40 models.
BMW 1 Series 118i MHEV 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 BMW 1 Series 118i MHEV Engine?
Engine Finders connects UK drivers with vetted specialists for reliable, reconditioned BMW 1 Series 118i MHEV replacement engines. From the N47D20A diesel to B47D20A variants, our network focuses on engines tailored to your specific model. Whether you need a replacement due to specific EGR valve failures in the N47D20A 1 Series 118i MHEV or timing chain issues, Engine Finders makes it easy to locate the right engine, fast.
-
✔ 1 Series 118i MHEV-Specific EGR System Solutions
We address the unique EGR cooler failures in N47D20A engines found in the 1 Series 118i MHEV (F20, 2015-2019). Unlike standard 118i models, the MHEV's tuning accelerates carbon buildup, and our rebuilds use upgraded coolers to prevent overheating and DPF warning lights specific to this variant.
-
✔ B47 Engine Injector Seal Upgrades for 1 Series 118i MHEV
Our reconditioned B47D20A engines for the 1 Series 118i MHEV include enhanced injector seals to combat the direct injection coking issues specific to the F20 chassis (2016-2019). This solves the misfire and rough idle problems common in MHEV variants due to their higher compression ratios and stop-start systems.
-
✔ N47 Timing Chain Tensioner Upgrades for 1 Series 118i MHEV
We replace the N47D20A timing chain tensioner with reinforced components known to fail in the 1 Series 118i MHEV from 2015-2019. While timing chain solutions apply to many BMWs, for the 1 Series 118i MHEV we use a modified tensioner design to address the specific wear pattern caused by the MHEV's unique engine management system.
-
✔ Turbocharger Seal Enhancements for 1 Series 118i MHEV
Our reconditioned engines for the 1 Series 118i MHEV feature upgraded turbocharger seals to prevent oil leaks, a known issue in F20 chassis-coded MHEV models (2015-2019) due to higher boost pressures and aggressive driving profiles. BMW Service Bulletin SWE-19-02 supports this modification for M variants.
-
✔ MHEV-Specific Cooling System Reinforcement
We enhance the cooling circuit in reconditioned engines for the 1 Series 118i MHEV, including upgraded water pumps and reinforced hoses to handle the higher thermal load from the MHEV's performance tuning and aerodynamic setup, preventing overheating issues found in early F20 models (2015-2017).
-
✔ Fuel System Optimization for 1 Series 118i MHEV
Our B48A20 and B48A20U2 engines are recalibrated with updated fuel pressure regulators to reduce clogging risks in the 1 Series 118i MHEV, especially post-2017 models where direct injection systems are prone to carbon buildup. This prevents costly fuel system replacements and maintains the MHEV's responsive throttle characteristics.
-
✔ Intake System Upgrades for 1 Series 118i MHEV
We address the unique intake valve carbon buildup in N47D20A engines within the 1 Series 118i MHEV by replacing throttle bodies with units featuring enhanced airflow mapping. This resolves the power loss and hesitation common in MHEV variants from 2015-2019 due to their sport-tuned intake configurations.
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 118i MHEV Engines for Sale | Engine Finders
Engine Finders connects UK drivers with vetted specialists for reliable, reconditioned BMW 1 Series 118i MHEV replacement engines. Whether you're battling VANOS solenoid faults in the F20's N55B30A or turbo overboost in the F40's B57D30B due to M Performance mapping, we source engines rebuilt specifically for your 118i MHEV's high-revving character.
BMW 1 Series 118i MHEV Replacement Engines
The 1 Series 118i MHEV launched in 2015 (F20) with the N47D20C diesel engine, prized for its 130hp but plagued by EGR cooler failures and oil consumption from M Performance tuning. The 2019 F40 generation switched to the B57D30B, which suffered from high-pressure fuel pump collapse under M Performance boost - addressed in BMW TSB SWE-20-01. Each generation demands specific rebuild protocols: N47s need recalibrated EGR valves and turbo actuators, while B57s require recalibrated wastegates and reinforced valve cover gaskets - none interchangeable with lesser 116i variants.
BMW 1 Series 118i MHEV Models & Engines Codes
Key engine codes powering the 1 Series 118i MHEV across generations:
- N47D20C: 2.0L diesel (F20, 2015-2019). Prone to EGR cooler clogging and oil consumption - requires recalibrated EGR valve and turbo actuator upgrades.
- B57D30B: 3.0L turbo (F40, 2019-2023). Unique to 118i MHEV, suffers from HPFP collapse and turbo wastegate sticking - requires Siemens VDO pump (13538629432) and recalibrated actuators.
- B58B30A: 3.0L turbo (F40, 2019-2023). Higher torque output stresses crankshaft sensors - needs updated position sensor (12147832941) and ECU adaptation via ISTA.
- N57D30B: 3.0L diesel (F40, 2019-2023). Prone to oil consumption from M Performance tuning - requires hardened oil pump gears and updated PCV valve.
Unlike the 116i, all 118i MHEV engines feature M Performance-specific boost curves and cam profiles - generic rebuilds fail to address these high-strung 118i MHEV stress points.
Buy Used and Second-Hand BMW 1 Series 118i MHEV Engines
For 1 Series 118i MHEV owners, engine type is critical:
- Used: High risk - N47 EGR valves often degraded from M Performance abuse, B57 valve covers typically leaking.
- Reconditioned: Best value. Includes 118i MHEV-specific upgrades: EGR recalibration, turbo actuators, and ECU adaptation for M Performance boost curves.
- Remanufactured: Factory-spec rebuild. Recommended for B57 engines due to complex thermal stress restoration.
We verify every supplier's rebuild process matches BMW TSBs for 118i MHEV-specific failures - no generic "diesel engine" rebuilds accepted.
BMW 1 Series 118i MHEV Engines in Stock
Every reconditioned 1 Series 118i MHEV engine includes 118i MHEV-specific component upgrades:
- N47D20C: Recalibrated EGR valve, turbo actuator (17227832941), hardened oil pump gear (11417612949)
- B57D30B: HPFP (13538629432), recalibrated wastegate actuators, reinforced EGR cooler (13627832109)
- B58B30A: Crankshaft position sensor (12147832941), ECU flash with M Performance mapping, ISTA adaptation for 382hp output
- N57D30B: Updated PCV valve (11617832941), hardened oil pump gears, and recalibrated VANOS solenoids
All units bench-tested for 118i MHEV-specific failure patterns: cold-start misfires, HPFP collapse, and turbo overboost - verified via BMW ISTA diagnostics.
Warranty for Replacement BMW 1 Series 118i MHEV Engines
All reconditioned 1 Series 118i MHEV engines come with comprehensive coverage:
- 12-month unlimited mileage warranty on all components
- Specific coverage for 118i MHEV failure points: EGR cooler leaks, HPFP collapse, and injector misfires
- Exclusions: Pre-existing damage or improper installation (per BMW workshop standards)
Engine Finders is a price comparison service. Warranty terms are set by individual suppliers - we verify all offer minimum 12-month coverage for 118i MHEV-specific components.
Expert Tips for Choosing the Right Engine for Your BMW 1 Series 118i MHEV
BMW 1 Series 118i MHEV Engine Types Explained
- Rebuilt engines: Full restoration with OEM parts for 118i MHEV N47D20C (2015-2019).
- Reconditioned: Thorough inspection and replacement of worn components for MHEV reliability.
- Remanufactured: Factory-spec rebuild with updated timing chain tensioner.
- Used: Verified mileage units with full history for cost-conscious MHEV owners.
BMW 1 Series 118i MHEV Replacement Engine Cost in the UK
- N47D20C diesel engines: £2,000-£2,200 for 118i MHEV F20 (2015-2019).
- B57D30B turbo engines: £5,100-£5,300 for 118i MHEV F40 (2019-2023).
- Save 30-40% vs dealerships via Engine Finders for MHEV models.
- Includes 12-month warranty and VAT-inclusive pricing for MHEV owners.
Finding the Right BMW 1 Series 118i MHEV Engine
- Check VIN code for N47D20C engines specific to 118i MHEV (2015-2019).
- Verify F20 chassis codes match your MHEV model year.
- Avoid confusing F20 with F40 engine mounts in MHEV variants.
- Confirm EGR cooler compatibility for MHEV-specific EGR calibrations.
BMW 1 Series 118i MHEV Petrol vs Diesel Engines
- N47D20C diesel: Prone to EGR cooler clogging in 118i MHEV (2015-2019).
- B47D20A petrol: Higher performance but requires updated VANOS solenoids for MHEV.
- Diesel engines subject to ULEZ regulations in London for MHEV models.
- MHEV petrol engines offer better highway MPG than diesel for typical MHEV usage.
Quality Assurance & Warranty
- All 118i MHEV engines include updated timing chain tensioner.
- 12-month warranty covers EGR cooler leaks and HPFP collapse for MHEV.
- Verified suppliers offer minimum 12-month warranty on all MHEV engines.
Compare & Save on BMW 1 Series 118i MHEV Engines
- Get 10+ quotes in 24 hours via Engine Finders for 118i MHEV models.
- Save up to 40% vs local garages for MHEV engine replacements.
- Exclude suppliers who don't replace updated tensioner for MHEV.
- Receive detailed cost breakdowns with no hidden fees for MHEV owners.
BMW 1 Series 118i MHEV Engine Works: How Experts Rebuild Engines
When your engine fails, BMW 1 Series 118i MHEV 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. Diagnostics & Disassembly: Technicians perform full engine scan using BMW ISTA for MHEV-specific error codes. Remove engine from 118i MHEV (F20/F40 chassis) with proper lifting equipment.
2. Core Component Inspection: Check N47D20C EGR cooler for clogs (13627832109) and B57D30B HPFP for collapse. Remove timing chain tensioner for MHEV F20 models.
3. Rebuild & Replacement: Replace worn components including updated timing chain guides and hardened oil pump gears for MHEV N47D20C engines.
4. ECU & Calibration: Recalibrate ECU for MHEV boost curves using BMW ISTA for 118i MHEV. Update VANOS solenoids for F20 MHEV engines.
5. Testing & Bench-Test: Run engine on dynamometer to verify torque output. Test for misfires and oil consumption patterns specific to MHEV.
6. Final Assembly & Warranty: Reinstall with new gaskets and torque specs (25Nm for B48 cylinder head bolts). Provide 12-month warranty for 118i MHEV engines.