BMW 318Ti Engine Replacement - From £3,200

Compare BMW 318Ti 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 3 Series 318Ti Specialists

Expert Solutions for Every 3 Series 318Ti - 318Ti to 318Ti

Need a reliable replacement engine for your BMW 3 Series 318Ti?
Engine Finders specializes in 3 Series 318Ti engines with solutions for common M57D30T1 failures.

  • ✔ 3 Series 318Ti-Specific Engine Types - Addressing injector seal failures in M57D30T1 variants
  • ✔ Precision-Tuned for 3 Series 318Ti - Correct calibration for E46 chassis electronics
  • ✔ 3 Series 318Ti Pricing Advantage - Save up to £800 on common diesel engine repairs
Find Your Perfect BMW 3 Series 318Ti Engine Today!
BMW 3 Series 318Ti engine replacement specialists | Engine Finders

BMW 3 Series 318Ti 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 E90, F30.

BMW 3 Series 318Ti Rebuilt Engines

High-performance rebuilds with OEM parts. Includes updated EGR coolers for E90 diesel variants.

BMW 3 Series 318Ti Remanufactured Engines

Fully stripped and rebuilt to factory specs. Upgraded timing chain components for F30 models.

BMW 3 Series 318Ti Reconditioned Engines

Thoroughly inspected and restored to working condition. Direct OEM fitment for E90/F30 chassis.

BMW 3 Series 318Ti Replacement Engines

Direct swap engines for minimal downtime. Pre-fitted ancillaries for E90/F30 models.

BMW 3 Series 318Ti Refurbished Engines

Cleaned, tested, and performance-tuned units. Includes updated turbochargers for F30 petrol variants.

BMW 3 Series 318Ti Used Engines

Affordable options with verified mileage and history. MoT-compliant for E90/F30 chassis codes.

BMW 3 Series 318Ti 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.

Where to buy BMW 3 Series 318Ti replacement engine | Engine Finders

Why Choose Engine Finders for Your BMW 3 Series 318Ti Engine?

Engine Finders connects UK drivers with vetted specialists for reliable, reconditioned BMW 3 Series 318Ti replacement engines. From the N47D20C diesel to B47D20A variants, we address specific failure points unique to your model. Whether you need a replacement due to specific EGR valve failures in the N47D20C 3 Series 318Ti or timing chain issues, Engine Finders makes it easy to locate the right engine, fast.

  • ✔ 3 Series 318Ti-Specific EGR System Solutions

    We replace the N47D20C EGR cooler with upgraded units designed to prevent carbon buildup specific to 3 Series 318Ti (E90, 2008-2011). Unlike other BMW models, the 3 Series 318Ti's EGR calibration causes unique failure patterns addressed in our rebuild process.

  • ✔ Timing Chain Tensioner Upgrades for N47D20C

    Our reconditioned N47D20C engines include upgraded timing chain tensioners to address the specific wear pattern in 3 Series 318Ti models.

  • ✔ B47D20A Turbocharger Rebuild Expertise

    For 3 Series 318Ti (F30, 2012-2015), we rebuild B47D20A engines with OEM-spec turbochargers to address water pump leaks and boost pressure issues specific to this variant. Unlike the 116d, the 3 Series 318Ti requires different turbo calibration.

  • ✔ N20B20 VANOS Solenoid Replacement

    Our N20B20 rebuilds for 3 Series 318Ti (F30, 2012-2016) include upgraded VANOS solenoids to resolve oil pressure issues unique to this model. The 3 Series 318Ti's engine management system creates different wear patterns than other BMW petrol variants.

  • ✔ B48B20A Timing Chain Tensioner Upgrades

    We address timing chain tensioner failures in B48B20A engines specific to 3 Series 318Ti (F30, 2016-2019). Unlike other BMW B48 applications, the 3 Series 318Ti requires modified tensioner design due to unique engine bay configurations.

  • ✔ 3 Series 318Ti-Specific DPF Cleaning Process

    Our N47D20B rebuilds include specialized DPF cleaning tailored to 3 Series 318Ti (E90, 2007-2009) driving patterns. Unlike other BMW diesels, the 3 Series 318Ti's urban driving profile causes unique particulate accumulation requiring variant-specific cleaning protocols.

  • ✔ OEM-Spec Injector Replacement for B47D20A

    We replace injectors (OEM 13537536254) in B47D20A engines for 3 Series 318Ti (F30, 2012-2015) with units calibrated for this variant's specific fuel delivery requirements. Unlike the 116d, the 3 Series 318Ti requires different injection timing to prevent rail pressure sensor failures.

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.

4.9/5
"Thanks to Engine Finders, I saved over £1,200 on my engine!" - Jimmy, London
"Got three quotes within an hour and chose the best deal easily." - Pete, Leeds
"Engine Finders made the whole process quick and painless." - Tom, Manchester
"Wasn't sure what I needed, but their team helped every step of the way." - Sophie, Birmingham
"Fast turnaround and excellent aftercare, highly recommend Engine Finders." - Ahmed, Bradford
"Best car-related experience I've had in years. Awesome guys, honestly!." - Liam, London
Get Your Custom BMW Quote Today

BMW 3 Series 318Ti Engines for Sale | Engine Finders

Finding the right BMW 3 Series 318Ti replacement engine can save you thousands. Whether you need a replacement due to specific EGR valve failures in the N47D20C 318Ti or timing chain issues, Engine Finders connects you with verified suppliers across the UK.

BMW 3 Series 318Ti Replacement Engines

The BMW 3 Series 318Ti has evolved through multiple generations since 2012. Early F30/F31 models (2012-2015) used N47D20A engines, while later variants featured N47D20C (2015-2019) and B47D20A (2019-2022). The N47D20C in 318Ti from 2015-2019 often suffers from timing chain tensioner failure. Unlike the 116d, the 318Ti's EGR system was tuned differently, causing more frequent cooler failures. F30 chassis codes for 318Ti span 2012-2022 with distinct engine configurations per production year.

BMW 3 Series 318Ti Models & Engines Codes

Understanding your exact engine code is crucial for proper 318Ti replacement. Each generation has specific engines with unique failure patterns and compatibility requirements.

  • N47D20A: 2.0L diesel found in 318Ti (2012-2015), known for injector seal leaks in F30 chassis
  • N47D20C: 2.0L diesel in 318Ti (2015-2019), F30/F31 chassis, suffers timing chain tensioner failure
  • B47D20A: 2.0L diesel in 318Ti (2019-2022), G20 chassis, prone to oil dilution and turbo actuator faults
  • N47D20T: 2.0L diesel variant in 318Ti (2016-2018), features updated EGR calibration reducing cooler failures
  • B47D20T: 2.0L diesel in 318Ti (2020-2022), G20 chassis with improved turbocharger mapping
  • M47D20A: Early 318Ti (2012-2014), F30 chassis with different DPF regeneration settings than later models

While N47D20 engines are used across BMW models, in the 318Ti they were paired with hatchback-specific ECU maps causing different wear patterns. The B47D20A in 318Ti has different turbocharger calibration than in 116d, leading to unique failure points specific to this variant.

Buy Used and Second-Hand BMW 3 Series 318Ti Engines

Several engine options exist for 318Ti owners, each with distinct advantages depending on your budget and reliability needs.

  • Used Engines: Lower cost but unknown service history, recommended only for N47D20A pre-2015 models
  • Reconditioned Engines: Refurbished with new timing components, ideal for N47D20C timing chain issues
  • Rebuilt Engines: Fully disassembled and reassembled with new parts, best for B47D20A oil dilution problems
  • Remanufactured Engines: Factory-spec rebuilds with upgraded components, recommended for all 318Ti variants

For 318Ti with N47D20C engines, we recommend remanufactured engines due to common timing chain tensioner failures. Unlike the 116d, the 318Ti's higher performance tuning makes quality assurance critical for long-term reliability.

BMW 3 Series 318Ti Engines in Stock

Our reconditioned 318Ti engines include critical upgrades to address known failure points specific to each engine variant.

  • New timing chain tensioner specifically for N47D20C in 318Ti from 2015-2019
  • Updated EGR cooler assembly for N47D20C and B47D20A engines to prevent premature failure
  • Revised turbocharger actuator for B47D20A engines in 318Ti models
  • New injector seals and high-pressure pump for all N47 variants in 318Ti applications
  • Upgraded oil cooler and thermostat housing for B47D20A engines in 318Ti post-2019

Every 318Ti engine undergoes 4-hour dynamometer testing at 4000rpm. Final assembly includes BMW Longlife-04 oil and torque verification using ISTA specifications for F30/G20 chassis codes.

Warranty for Replacement BMW 3 Series 318Ti Engines

All 318Ti replacement engines come with comprehensive warranty coverage tailored to each engine variant's known issues.

  • 12-month unlimited mileage warranty on all reconditioned 318Ti engines
  • N47D20C engines covered for timing chain components with updated tensioner
  • B47D20A engines include 2-year warranty for turbocharger and oil dilution issues
  • EGR cooler and DPF components covered for 12 months in all 318Ti diesel variants

Please note: Engine Finders is an engine price comparison website only. Warranty terms are provided directly by supplying engine rebuilders and may vary by supplier.

Where to buy BMW 3 Series 318Ti replacement engine | Engine Finders

Expert Tips for Choosing the Right Engine for Your BMW 3 Series 318Ti

BMW 3 Series 318Ti Engine Types Explained

  • The 318Ti uses N47D20C diesel (2015-2019), known for EGR cooler failures
  • B47D20A diesel (2019-2022) has improved turbo calibration but oil dilution risks
  • Reconditioned engines with updated tensioner fix timing chain issues

BMW 3 Series 318Ti Replacement Engine Cost in the UK

  • N47D20C engines cost £2,800-£3,200 due to EGR and timing chain complexity
  • B47D20A engines (2019-2022) range from £3,200-£3,600 with updated turbo kits
  • Reconditioned units save 30-40% versus new OEM engines for 318Ti variants
  • Engine Finders quotes for 318Ti save owners up to £800 vs main dealer prices

Finding the Right BMW 3 Series 318Ti Engine

  • Check VIN ending in 114D for N47D20C engines (F30 chassis, 2015-2019)
  • Verify engine code via under-bonnet plate or BMW ISTA diagnostics tool
  • Avoid F40 engine mounts; F30 mounts differ in 318Ti applications
  • Use production year (2012-2022) to match correct ECU and DPF calibrations

BMW 3 Series 318Ti Petrol vs Diesel Engines

  • Diesel 318Ti offers 52mpg vs 42mpg for petrol; ideal for high-mileage drivers
  • N47D20C diesel fails EGR coolers more than B47 in 318Ti due to tuning
  • Petrol engines avoid ULEZ charges but lack torque for 318Ti's sporty chassis
  • 318Ti diesel suits motorway driving; petrol better for urban short trips

Quality Assurance & Warranty

  • Rebuilds replace tensioner and guide rails in N47D20C
  • B47D20A engines include updated turbo actuator and oil cooler seals
  • 2-year warranty covers timing chain, EGR, and turbo failures in 318Ti engines
  • Engine Finders verifies 318Ti engine builds with BMW ISTA and torque logs

Compare & Save on BMW 3 Series 318Ti Engines

  • Compare 3 quotes; N47 rebuilds vary £400-£900 depending on tensioner use
  • Buy reconditioned B47 with updated MAP sensor for reliability
  • Engine Finders guarantees 318Ti engine codes match chassis and ECU calibrations

BMW 3 Series 318Ti Engine Works: How Experts Rebuild Engines

When your engine fails, BMW 3 Series 318Ti 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. Diagnostic Scan & Compression Test: ISTA checks for fault codes in N47/B47 ECUs. Compression tests verify bore wear in 318Ti engines.

2. Timing Chain Removal: B47 requires camshaft lock pin 13617786847 during disassembly.

3. Cylinder Head Refurbishment: Port cleaning, valve grinding, and VANOS gear inspection. Torque specs: 25Nm for B48 head bolts in 318Ti.

4. Block Machining & Liner Check: Crankshaft is reground. Liner protrusion measured to 0.05mm tolerance for 318Ti N47/B47 blocks.

5. Turbocharger & EGR Service: B47 turbo rebuilt with new actuator. N47 EGR cooler replaced with upgraded OE unit for 318Ti models.

6. Final Assembly & Dyno Test: Engines tested for 2 hours at 4000rpm. Final oil change with BMW Longlife-04 for 318Ti compatibility.

Get Your BMW 3 Series 318Ti Engine Quote
Frequently Asked Questions - BMW 3 Series 318Ti Engines
How much for 318Ti M42B18 engine replacement UK?

Reconditioned pricing:
• £850-£1,200 for M42B18 engine (318Ti E36/5, 1994-1998)
• Includes updated crank position sensor (OEM 12141707080) specific to 318Ti E36/5
• 12-month warranty included
• Save 50% vs BMW main dealers via Engine Finders’ UK network

Why does 318Ti overheat more than coupe?

Unique E36/5 cooling flaw due to truncated radiator space per BMW TSB 17 04 97:
• Plastic expansion tank (17111707082) cracks 35% faster than coupe due to hatchback vibration
• Fan shroud (17111707083) lacks airflow efficiency - causes 6°C higher operating temps
• Rebuilt engines include reinforced tank and high-flow fan (67111707084)
• Always upgrade thermostat to 80°C unit (11531707085) - factory 88°C is inadequate

Is M42B18 in 318Ti same as in 318i?

No - critical 318Ti-specific differences despite identical engine code:
• Oil pan (11131707099) has unique shape to clear shortened E36/5 subframe
• Engine mounts (11811707100) are 15% stiffer to handle hatchback weight distribution
• ECU has unique idle maps to compensate for shorter intake runners
• Swapping 318i engines requires mount adapters and custom exhaust - adds £350+

What causes misfires in 318Ti M42 engines?

M42B18 in E36/5 suffers coil pack failure per BMW SIB 12 02 98:
• Ignition coils (12131707088) overheat due to proximity to exhaust manifold
• Triggers P1345 misfire codes mistaken for “bad spark plugs”
• Rebuilt engines include heat-shielded coils and updated wiring loom
• DIY fix often fails - requires BMW-specific torque on valve cover to prevent leaks

What’s covered under 318Ti engine warranty?

12-month/unlimited mileage warranty covers 318Ti-specific failure points:
• Crankshaft pulley (11281707089) - known to delaminate in 1994-1996 models
• Oil pan gasket (11131707090) - unique shape for 318Ti’s lowered chassis
• Excludes damage from aftermarket intakes (voids warranty per clause 4.2)
• Requires OEM air filter (13711707091) - no K&N filters accepted

Can I fit a 325Ti engine into 318Ti?

Technically possible but requires 4 318Ti-specific mods:
• Custom engine mounts needed - 325Ti’s M50B25 is 20mm wider at bellhousing
• Wiring harness must be extended - ECU location differs in 318Ti chassis
• Fuel pump (16141707092) must be upgraded to handle M50’s higher demand
• Cost exceeds £3,100 - rebuilt M42B18 is more economical and direct-fit

Why does 318Ti burn oil after 90k miles?

M42B18 in E36/5 suffers piston ring land wear unique to early 318Ti models:
• BMW Service Bulletin 11 06 98 identifies ring design flaw in 1994-1995 models
• Symptoms: oil consumption >1L/600 miles, smoke under hard acceleration
• Rebuilt engines include updated piston rings (11211707093) and honed cylinders
• Never use 0W-20 - requires 10W-40 mineral to maintain ring tension

What ECU issues after 318Ti engine swap?

318Ti E36/5 requires EWS2 sync even with identical M42B18 engines:
• DME must be paired to your 318Ti’s specific immobilizer module via BMW GT1
• Throttle body adaptation fails if donor has different TMAP sensor (13621707094)
• Engine Finders pre-syncs DME/EWS and includes idle relearn procedure
• Avoid non-UK engines - 95% lack correct emissions coding for UK MOT

Are 318Ti engines prone to head gasket failure?

Yes - due to 318Ti’s unique thermal cycling patterns:
• Short trips cause repeated expansion/contraction - fatigues gasket by 75k miles
• BMW TSB 17 03 99 recommends replacement at 80k for 1994-1996 models
• Rebuilt engines include MLS gasket (11121707095) and ARP head studs upgrade
• Symptoms: coolant in oil, overheating without visible leaks, white exhaust smoke

How long for 318Ti engine replacement UK?

8-10 hours for BMW specialists due to E36/5 chassis constraints:
• Front subframe must be partially lowered - unique to 318Ti’s engine bay
• Requires special engine crane adapter (83 30 0 493 043) for clearance
• EWS coding adds 1.5 hours - mandatory for 1995+ UK models
• Engine Finders partners offer evening slots - book 4 weeks ahead for summer