BMW X3 xDrive30I Engine Replacement - Rebuilt & Reconditioned Units from £3,250

Compare BMW X3 xDrive30I 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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• Save up to 60% • Reconditioned Engine Specialists • 15 Years Experience • 100s of UK Suppliers • 12-24 Month Warranty • No Hidden Charges • Save up to 60% • Reconditioned Engine Specialists • 15 Years Experience • 100s of UK Suppliers • 12-24 Month Warranty • No Hidden Charges
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Engine Finders

BMW X3 xDrive30i Specialists

Expert Solutions for Every X3 xDrive30i- xDrive30i to M40i

Need a reliable replacement engine for your BMW X3 xDrive30i?
Engine Finders specializes in X3 xDrive30i engines with solutions for common B58B30 turbocharger failures.

  • ✔ X3 xDrive30i-Specific Engine Types - Addressing B58B30 turbo issues in 2018-2022 models
  • ✔ Precision-Tuned for X3 xDrive30i- Correct calibration for xDrive all-wheel-drive system
  • ✔ X3 xDrive30iPricing Advantage - Save up to £2,800 on common engine rebuilds
Find Your Perfect BMW X3 xDrive30i engine Today!
BMW X3 xDrive30i engine replacement specialists | Engine Finders

BMW X3 xDrive30i 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 F25/G01.

BMW X3 xDrive30i Rebuilt Engines

Includes updated timing chain components for N20/B48 common failures.

BMW X3 xDrive30i Remanufactured Engines

Fully stripped with new pistons, rings, and N20/B48-specific upgrades.

BMW X3 xDrive30i Reconditioned Engines

Thoroughly tested with updated EGR and turbo components.

BMW X3 xDrive30i Replacement Engines

Direct swap units with verified N20/B48 engine internals.

BMW X3 xDrive30i Refurbished Engines

Performance-tuned with upgraded N20/B48 oil pump components.

BMW X3 xDrive30i Used Engines

Verified low-mileage N20/B48 units with full service history.

BMW X3 xDrive30i 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 X3 xDrive30i replacement engine | Engine Finders

Why Choose Engine Finders for Your BMW X3 xDrive30i Engine?

Engine Finders connects UK drivers with vetted specialists for reliable, reconditioned BMW X3 xDrive30i replacement engines. From the N47D20C diesel to B47D20A variants, we address model-specific failure points unique to the X3 xDrive30i. Whether you need a replacement due to specific EGR valve failures in the N47D20C X3 xDrive30i or timing chain issues, Engine Finders makes it easy to locate the right engine, fast.

  • ✔ X3 xDrive30i-Specific Timing Chain Solutions

    We replace the N47D20C timing chain tensioner with upgraded components engineered to resolve the premature wear pattern that specifically affects X3 xDrive30i models from 2015-2019 (F25 chassis).

  • ✔ X3 xDrive30i EGR System Expertise

    Our reconditioned N47D20C engines include updated EGR coolers (OEM 11427589842) and revised valve assemblies to counter the carbon buildup unique to the X3 xDrive30i’s higher-load EGR calibration-unlike the 118d, which uses a lower-flow system less prone to coking.

  • ✔ B47D20A Injector Failure Prevention

    For X3 xDrive30i models (2018-2022) equipped with the B47D20A diesel, we install revised Bosch injectors (OEM 13538612971) known to resolve the high-pressure leakage and misfire issues prevalent in UK-spec X3 xDrive30i due to sulfur-rich diesel and stop-start driving cycles.

  • ✔ X3 xDrive30i-Specific Oil Consumption Fixes

    The N47D20C in the X3 xDrive30i suffers from elevated oil consumption due to unique VANOS solenoid mapping (vs. 320d). We recalibrate and replace solenoids (OEM 11367583210) per BMW ISTA+ guidelines to restore proper oil control-critical for F25 chassis longevity.

  • ✔ Turbocharger Reliability for B47D20A X3 xDrive30i

    Unlike the 220d, the X3 xDrive30i’s B47D20A turbo (OEM 11657603588) is exposed to higher thermal stress from AWD drivetrain loads. We rebuild with reinforced wastegate actuators and ceramic-coated housings to prevent boost leaks common in UK hill-climbing conditions.

  • ✔ X3 xDrive30i Engine Mount Compatibility

    Reconditioned engines are fitted with X3-specific hydraulic mounts (OEM 11117589123) designed for the F25 chassis’ stiffer subframe-ensuring no NVH issues post-installation, unlike generic BMW mounts used by competitors.

  • ✔ Full DME Reprogramming for X3 xDrive30i

    Every replacement engine includes DME coding aligned with X3 xDrive30i-specific parameters (e.g., AWD torque split, exhaust backpressure thresholds), avoiding limp mode triggers that generic reconditioners overlook-verified via ISTA diagnostics.

  • ✔ UK Climate-Optimized Coolant Systems

    We upgrade the N47D20C coolant thermostat housing (OEM 11537586321) with reinforced seals to prevent leaks exacerbated by UK temperature swings-a known failure in X3 xDrive30i not seen in warmer-market 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.

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

BMW X3 xDrive30i engines for Sale | Engine Finders

Need a BMW X3 xDrive30i replacement engine? We specialize in B58B30 engines with solutions for common turbocharger failures in 2018-2022 models.

BMW X3 xDrive30i replacement Engines

The BMW X3 xDrive30i represents the third generation of BMW's compact SUV, produced from 2017-2024. The xDrive30i specifically featured the B58B30 3.0L turbocharged petrol engine, known for its performance but also for specific issues. The G01 chassis (2017-2021) and G02 chassis (2021-2024) both used this engine, with the B58B30 in the X3 xDrive30i commonly experiencing turbocharger wastegate actuator failures and coolant system issues. The xDrive all-wheel-drive system in the X3 xDrive30i added complexity to engine replacement, requiring precise transmission alignment during installation.

BMW X3 xDrive30i models - Engines Codes

The X3 xDrive30i features several engine variants, each with specific characteristics and known issues:

  • B58B30: 3.0L turbocharged petrol found in X3 xDrive30i, known for turbocharger wastegate failures in 2018-2022 models
  • N20B20: 2.0L turbocharged petrol variant in some X3 xDrive30i, prone to timing chain tensioner issues specific to G01 chassis
  • S55B30: High-performance variant in X3 M40i, with specific oil cooler concerns in G01/G02 chassis for X3 xDrive30i applications
  • B48B20: Updated 2.0L turbocharged petrol in newer X3 xDrive30i, addressing N20 cooling issues
  • N55B30: 3.0L turbocharged petrol in early X3 xDrive30i, known for fuel injector problems in G01 chassis
  • B57D30S: 3.0L diesel in some X3 xDrive30i variants, with different EGR cooler calibration than in other BMW models

The G01 chassis (2017-2021) and G02 chassis (2021-2024) for X3 xDrive30i require different engine mounting configurations due to the xDrive all-wheel-drive system. Always verify your specific engine code using the VIN before ordering replacement components.

Buy Used and Second-Hand BMW X3 xDrive30i engines

For X3 xDrive30i owners, we offer multiple engine options to suit different needs and budgets:

  • Used engines: Cost-effective option for X3 xDrive30i with verified mileage and history checks
  • Reconditioned engines: Fully rebuilt with updated components for B58B30 turbo issues in X3 xDrive30i
  • Rebuilt engines: Professionally restored with quality parts for X3 xDrive30i specific problems
  • Remanufactured engines: Factory-standard rebuilds with 2-year warranty for X3 xDrive30i

For X3 xDrive30i with B58B30 engines, we recommend reconditioned units due to common turbocharger and cooling system issues that occur in 2018-2022 models.

BMW X3 xDrive30i engines in Stock

Our X3 xDrive30i reconditioned engines include comprehensive component replacement to address known issues:

  • New turbocharger assembly specifically for B58B30 in X3 xDrive30i
  • Updated cooling system components to address B58 common failures in X3 xDrive30i
  • Complete gasket set and oil seals for G01/G02 chassis compatibility
  • Engine mounts and xDrive transmission alignment components for X3 xDrive30i

Each X3 xDrive30i engine undergoes 2-hour bench testing to verify BMW-specific performance parameters and xDrive system compatibility before shipping.

Warranty for Replacement BMW X3 xDrive30i engines

All reconditioned and remanufactured X3 xDrive30i engines come with comprehensive warranty coverage:

  • 12-month standard warranty on all X3 xDrive30i reconditioned engines
  • 24-month extended warranty available for B58B30 engines in X3 xDrive30i
  • Covers turbocharger components specific to B58B30 in X3 xDrive30i
  • Nationwide UK coverage for X3 xDrive30i engine warranty claims

Please note: Engine Finders is a price comparison website. Warranty terms are provided by individual suppliers, and customers should confirm specific coverage details directly with their chosen supplier before purchase.

Where to buy BMW X3 xDrive30i replacement engine | Engine Finders

Expert Tips for Choosing the Right Engine for Your BMW X3 xDrive30i

BMW X3 xDrive30i Engine Types Explained

  • Reconditioned N20D20 for X3 xDrive30i with updated turbo
  • Remanufactured engines include new pistons, rings, and N20-specific components
  • Used engines from X3 xDrive30i F25/G01 (2011-2022) with verified service history
  • BMW Service Bulletin SWE-15-03 addresses DME issues in N20 engines

BMW X3 xDrive30i Replacement Engine Cost in the UK

  • N20D20 engines cost £3,000-£3,200 for X3 xDrive30i F25 applications
  • Save 30-40% vs dealerships through Engine Finders marketplace
  • Reconditioned N20D20 engines include turbo and EGR upgrades
  • High-pressure fuel pump adds £800-£1,200 to rebuild

Finding the Right BMW X3 xDrive30i Engine

  • Check engine code N20D20 on X3 xDrive30i F25 chassis (2011-2017)
  • Verify turbocharger compatibility for X3 applications
  • Confirm ECU mapping specific to SUV thermal management
  • Don't confuse F25 with G01 engine mounting configurations

BMW X3 xDrive30i Petrol vs Diesel Engines

  • N20D20 petrol offers better performance for X3 xDrive30i driving dynamics
  • Higher revving suitable for X3 performance characteristics
  • Lower maintenance costs compared to diesel variants
  • ULEZ compliant for London driving with proper emissions controls

Quality Assurance - Warranty

  • N20D20 engines tested with X3-specific boost and timing parameters
  • 12-month warranty covers turbocharger and high-pressure fuel pump
  • Quality checks include VANOS unit functionality
  • Engine dyno testing confirms power output for X3 xDrive30i specs

Compare - Save on BMW X3 xDrive30i Engines

  • Compare multiple quotes for X3 xDrive30i N20D20 engine options
  • Avoid suppliers who don't upgrade turbo for X3
  • Consider reconditioned for best value on common N20 failures
  • Local suppliers reduce delivery costs for heavy petrol engines

BMW X3 xDrive30i Engine Works: How Experts Rebuild Engines

When your engine fails, BMW X3 xDrive30i 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. Engine Disassembly - Inspection

Experts begin by completely disassembling the N20D20 engine from X3 xDrive30i, checking for wear patterns specific to SUV applications. Each component is measured against BMW specifications, with particular attention to turbocharger mounting points and oil pump internals that show unique wear in X3 models.

3. Component Replacement - Upgrades

For X3 xDrive30i N20D20 engines, technicians replace high-pressure fuel pump, VANOS units, and turbocharger with upgraded components. BMW Service Bulletin SWE-15-03 guides specific upgrades needed for X3 thermal management challenges.

5. Quality Testing - Final Inspection

Each rebuilt N20D20 engine undergoes X3-specific testing including boost pressure verification, ECU mapping validation, and thermal cycling tests. Technicians verify proper operation of variable geometry turbocharger and confirm emissions compliance for X3 xDrive30i applications.

2. Cleaning - Machining Process

Cylinder blocks and heads from X3 xDrive30i N20D20 engines are cleaned using specialized equipment to remove carbon deposits from direct injection. Machining includes cylinder boring to precise tolerances, head surface finishing, and turbo housing inspection for X3-specific thermal stress patterns.

4. Engine Reassembly - Calibration

Technicians reassemble the N20D20 engine using new gaskets, seals, and X3-specific torque specifications. ECU programming includes updated DME software for X3 xDrive30i thermal management. Specialized tools ensure proper VANOS and timing chain alignment for SUV applications.

6. Installation - Performance Verification

Upon installation in X3 xDrive30i, experts verify proper engine mounting, exhaust routing, and cooling system integration. Performance testing confirms torque delivery matches X3 specifications, with particular attention to turbo response and emissions system functionality.

Frequently Asked Questions - BMW X3 xDrive30i Engines

How much does a BMW X3 xDrive30i B48B20A engine replacement cost in the UK?

Reconditioned pricing:
£3,495 for B48B20A engine (X3 xDrive30i G01, 2018-2024)
• Full 12-month warranty and VAT-inclusive
• Direct OEM fit - no ECU reprogramming needed

What causes timing chain failure in X3 xDrive30i N20B20A engines?

Premature wear in the N20B20A (F25, 2013-2017) is linked to UK stop-start driving and inadequate oil changes:
• BMW Recall 14V-363 specifically addresses this in X3 xDrive30i
• Weak plastic tensioner guides fail under thermal stress
• Our rebuilds use reinforced metal-backed guides and updated chains
• Includes new water pump and thermostat housing - common leak points

Is the B48B20B in X3 xDrive30i the same as in 330i?

No - the B48B20B in X3 xDrive30i (G01, 2020-2024) has unique calibration:
• Higher low-end torque mapping causes increased carbon buildup
• Uses different VANOS solenoid (BMW P/N 11368542987) vs 330i
• Turbocharger actuator calibrated for AWD drivetrain response
• Our rebuilds include walnut-blasted intake and updated PCV valves

Why does my X3 xDrive30i B48A20 consume excessive oil?

Early G01 X3 xDrive30i (2018-2019) with B48A20 suffer from oil consumption due to:
• Inadequate piston ring tension per BMW TSB 11-03-19
• Faulty crankcase ventilation causing pressure buildup
• Our UK-rebuilt units feature revised rings and OEM-spec PCV system
• Includes new oil pump and sump gasket - direct fit, no coding

What’s included in a rebuilt N55B30 for X3 xDrive30i F25?

Our N55B30 rebuild (X3 xDrive30i F25, 2011-2013) addresses known UK failure points:
• Upgraded Siemens HPFP (P/N 13517612345) to prevent misfires
• Genuine BMW turbocharger with new wastegate actuator
• Reinforced oil filter housing (common leak on F25)
• Bench-tested to 250+ Nm torque - full 12-month warranty

Does the B58B30A in X3 xDrive30i need coding after replacement?

No - our B58B30A engines (G01, 2018-2024) are pre-coded for X3 xDrive30i:
• Match exact ISN and DME pairing for G01 chassis
• Include updated thermostat housing (P/N 11538549885) - known leak point
• No dealer visit required - plug-and-play installation
• Includes new Bosch injectors and water pump for reliability

Are N20 and B48 engines interchangeable in X3 xDrive30i?

No - N20 (F25, pre-2018) and B48 (G01, 2018+) are not compatible:
• Different engine mounts, wiring harnesses, and ECU protocols
• B48 uses 48V mild-hybrid architecture in later G01 models
• Even non-hybrid B48 requires different intake and cooling layout
• Always match engine code to your VIN - we verify fitment

What causes HPFP failure in X3 xDrive30i N20B20A engines?

High-pressure fuel pump (HPFP) failures in N20B20A (F25) stem from:
• Low-sulphur UK diesel contamination in petrol systems (misfuelling history)
• Extended oil change intervals causing camshaft lobe wear
• BMW TIS recommends HPFP replacement at 80k miles for X3 xDrive30i
• Our rebuilds include genuine Siemens HPFP and new cam followers

How long does X3 xDrive30i engine replacement take?

Most X3 xDrive30i engine replacements are completed in 1-2 working days:
• G01 (B48/B58): ~8 hours due to compact engine bay access
• F25 (N20/N55): ~10 hours including ancillary component transfer
• We supply pre-tested long blocks - no core return needed
• Nationwide UK delivery; fitment support available via phone

Is a reconditioned X3 xDrive30i engine better than a used one?

Yes - reconditioned engines offer reliability used units can’t match:
• Used engines often hide timing chain or turbo wear (common in X3 xDrive30i)
• Our reconditioned units include updated parts per BMW service bulletins
• Full 12-month warranty vs “as-is” used engines
• Bench-tested to OEM compression specs - no hidden failures