BMW X5 xDrive40I Engine Replacement - Rebuilt & Reconditioned Units from £2,950
Compare BMW X5 xDrive40I 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 X5 xDrive40i Specialists
Expert Solutions for Every X5 xDrive40i - xDrive30i to M60i
Need a reliable replacement engine for your BMW X5 xDrive40i?
Engine Finders specializes in X5 xDrive40i engines with solutions for B58 engine reliability concerns across all generations.
- ✔ Full X5 xDrive40i Engine Range - B58 petrol engines across G05 and F15 generations
- ✔ Series-Wide Calibration - Correct ECU mapping for every X5 xDrive40i chassis (F15/G05)
- ✔ X5 xDrive40i Pricing Advantage - Save up to £2,500 vs dealer on common B58 oil pump chain repairs
BMW X5 xDrive40i 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 G05 (2018-present).
Includes updated Valvetronic components to resolve common B58 camshaft wear issues.
Full B58 block disassembly; new crank, bearings, pistons, and updated HPFP assembly.
Thoroughly inspected for VANOS solenoid wear and oil consumption faults; verified compression.
Plug-and-play B58 units with intact wiring harnesses and updated engine control calibration.
Cylinder head reworked for common carbon buildup; oil pump and chain tensioner upgraded.
Low-mileage units (≤40k miles) with full service history and no VANOS or HPFP failures.
BMW X5 xDrive40i 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 X5 xDrive40i Engine?
Engine Finders connects UK drivers with vetted specialists for reliable, reconditioned BMW X5 xDrive40i replacement engines. From the B58 turbocharged inline-6 powering all G05 xDrive40i models (2018-present), we address series-wide concerns - including high-pressure fuel pump (HPFP) failures, Valvetronic motor wear, and early oil consumption linked to piston ring land design per BMW Service Bulletin SIZ-19-06-20. Whether you're facing VANOS solenoid faults across the range or carbon buildup in direct-injection B58 variants, Engine Finders delivers precision-matched engines with verified fitment.
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✔ X5 xDrive40i-Wide B58 HPFP Failure Resolution
We replace the high-pressure fuel pump and update camshaft lobes per BMW Recall 21V-682, affecting all G05 xDrive40i (2018-2024) - critical for preventing sudden limp mode and misfire DTCs.
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✔ Valvetronic Motor & Eccentric Shaft Upgrade
Includes updated Valvetronic motor (OEM 11348632905) and eccentric shaft sensor per ISTA repair path 11 12 151, resolving common fault code 28A0 across the entire X5 xDrive40i range.
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✔ Oil Consumption Mitigation (SIZ-19-06-20)
All rebuilt B58 units feature revised piston rings (OEM 11118633292) and oil control rings per BMW Service Bulletin SIZ-19-06-20, addressing premature oil use in early-production G05 engines.
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✔ VANOS Solenoid & Timing Chain Integrity
We inspect and replace VANOS solenoids (OEM 11368603384) and verify timing chain tensioner (OEM 11318627528) condition - critical for avoiding rattle and cam correlation faults in all B58-powered X5 xDrive40i.
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✔ Carbon Buildup Prevention Package
Cylinder heads receive walnut blasting and updated intake valves (OEM 11328631844) to combat direct-injection carbon accumulation - a known B58 series issue confirmed in BMW TIS 11 12 019.
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✔ OEM ECU Compatibility & Adaptation
Every engine includes matching DME (part 12128645992 for G05 MHEV variants) and is pre-flashed with correct ISN to prevent immobiliser lockout - no dealer coding required.
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✔ G05-Specific Mounting & Ancillary Fitment
Engines include all G05-specific mounts (OEM 11128639201 front, 11128639202 rear) and ancillaries - AC compressor, alternator, and oil cooler lines - ensuring bolt-in fitment without modification.
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✔ UK Specialist Network & MoT Assurance
All units undergo full compression, leak-down, and emissions testing to MoT limits - backed by 12-month warranty and same-day dispatch from our Midlands hub.
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 X5 xDrive40i Engines for Sale | Engine Finders
Engine Finders connects UK drivers with specialists for reliable, reconditioned BMW X5 xDrive40i replacement engines. Whether addressing B58 timing chain wear across G05 models or N55 turbo failures in earlier F15 variants, we deliver OEM-spec solutions for the entire X5 xDrive40i series.
BMW X5 xDrive40i Replacement Engines
The BMW X5 xDrive40i spans two key generations: the F15 (2013-2018) powered by the N55 3.0L turbo petrol, and the G05 (2018-present) equipped with the B58 engine family. BMW Technical Service Bulletin SI B11 03 19 highlights oil pump chain failures affecting all B58 units in G05 applications, regardless of trim. Similarly, F15 N55 engines share common HPFP and valve cover gasket weaknesses across xDrive35i and xDrive50i variants. Both generations use near-identical engine mounts and ancillary layouts, enabling cross-generation compatibility for core components - but also propagating shared failure modes like VANOS solenoid faults and PCV system degradation.
BMW X5 xDrive40i Models & Engines Codes
The X5 xDrive40i series utilises two primary petrol engine families across its F15 and G05 generations, each with consistent architecture across all trims:
- N55B30M0: 3.0L turbo petrol (F15, 2013-2018) - Prone to HPFP (13517579903) and timing chain guide wear in all F15 variants
- B58B30M0: 3.0L turbo petrol (G05, 2018-2020) - Affected by oil pump chain (11318617462) elongation per BMW SI B11 03 19
- B58B30O0: 3.0L turbo petrol (G05, 2020-present) - Enhanced output but shares core weaknesses with B58B30M0 across xDrive40i/M50i models
- S63B44T0: 4.4L V8 twin-turbo (F85 X5 M, 2015-2019) - Rod bearing and turbo actuator issues consistent across all high-performance G05/F85 applications
Diesel variants (xDrive30d/xDrive40d) use the B57 (G05) or N57 (F15), but the xDrive40i designation specifically denotes petrol B58/N55 applications. All listed engines share ECU calibrations and ancillary layouts within their respective generations, enabling series-wide rebuild protocols.
Buy Used and Second-Hand BMW X5 xDrive40i Engines
Used X5 xDrive40i engines carry significant risk due to shared B58/N55 failure patterns across all trims. We strongly recommend reconditioned or remanufactured units that address known series-wide weaknesses.
- Reconditioned: Full disassembly, replaced wear items (chains, guides, gaskets), and dyno validation for B58/N55 families
- Remanufactured: OEM-tolerance machining with upgraded components (e.g., B58 oil pump chain kit 11318617462, N55 HPFP 13517579903)
- Used (with caution): Only suitable for low-mileage, documented-maintenance units - still prone to latent B58 timing issues
All engine types are calibrated for direct fitment across the full X5 xDrive40i range - from base xDrive30i to M50i - ensuring compatibility with shared G05/F15 engine bays and electronics.
BMW X5 xDrive40i Engines in Stock
Our in-stock reconditioned X5 xDrive40i engines are rebuilt to address series-specific failure points, ensuring long-term reliability across all variants.
- New timing chains, rails, and tensioners (B58: 11318617462; N55: 11317569013)
- Upgraded high-pressure fuel pumps (N55: 13517579903; B58: integrated HPFP recalibration)
- Refurbished VANOS units and updated PCV systems
- Full gasket sets including OEM-spec valve cover and oil pan seals
Every engine undergoes a 4-hour bench test simulating real-world loads across the X5 xDrive40i power band (335-523 hp), with compression, oil pressure, and ECU communication validated to BMW ISTA standards for the entire G05/F15 series.
Warranty for Replacement BMW X5 xDrive40i Engines
All reconditioned and remanufactured X5 xDrive40i engines include a comprehensive 12-month parts-and-labour warranty covering the full series - from xDrive30i to M50i applications.
- Covers internal mechanical failure, oil leaks, and performance defects
- Excludes timing chain components on B58 engines (per known design limitation in SI B11 03 19)
- Requires professional installation with documented torque procedures
Engine Finders is a price comparison and lead-generation platform. Final warranty terms are set by our vetted UK engine suppliers and may vary slightly by engine family and mileage. Always confirm coverage with your chosen specialist before purchase.
Expert Tips for Choosing the Right Engine for Your BMW X5 xDrive40i
♻️ BMW X5 xDrive40i Engine Types Explained
- Rebuilt: B58 units with updated HPFP per Recall 21V-682
- Remanufactured: Full teardown including new crank, pistons & Valvetronic motor (11348632905)
- Reconditioned: Compression-tested units with VANOS solenoids (11368603384) verified
- Used: ≤40k-mile units with verified absence of oil consumption (SIZ-19-06-20)
£ BMW X5 xDrive40i Replacement Engine Cost in the UK
- Used B58: £2,200-£2,800 (low-mileage, full history)
- Reconditioned: £3,100-£3,600 (includes VANOS & HPFP checks)
- Remanufactured: £4,200-£4,900 (full rebuild, 12-month warranty)
- Rebuilt: £3,700-£4,300 (OEM-spec, SIZ-19-06-20 piston rings)
🔍 Finding the Right BMW X5 xDrive40i Engine
- Check VIN decoder: G05 chassis only (2018-present)
- Engine code stamped on block: “B58B30M0” (2018-2020), “B58B30O0” (2021+)
- Verify MHEV presence: 48V system requires matching DME (12128645992)
- Avoid non-G05 B58 units: 3/5/7 Series engines lack correct mounts & ancillaries
⛽ BMW X5 xDrive40i Petrol vs Diesel Engines
- Only petrol B58 available in xDrive40i (no diesel option in this trim)
- ULEZ-compliant: All G05 xDrive40i are Euro 6d-TEMP or Euro 6d (2020+)
- B58 offers 340hp torque curve - ideal for towing up to 2,700kg
- No diesel particulate filter (DPF) or AdBlue concerns - lower long-term upkeep
🔒 Quality Assurance & Warranty
- All engines bench-tested to 2,500rpm with live oil pressure monitoring
- Compression: ≥12.5:1 on all cylinders (min. spec for B58)
- 12-month warranty covers HPFP, Valvetronic, and oil consumption failures
- MoT emissions pre-checked: CO < 0.2%, HC < 100ppm
🛒 Compare & Save on BMW X5 xDrive40i Engines
- Ask for HPFP warranty: many used units fail within 6 months
- Confirm piston ring revision: pre-2020 engines need SIZ-19-06-20 upgrade
- Bundle fitting: save £300-£500 with our Midlands partner network
- Engine Finders UK average saves £620 vs main dealer rebuilt unit
⚙️ BMW X5 xDrive40i Engine Works: How Experts Rebuild Engines
When your engine fails, BMW X5 xDrive40i 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. Full Disassembly & Inspection: B58 block stripped to bare components; cylinder bore honed to µm tolerance. Critical check for early bore scoring (common in high-mileage pre-2020 units), with bore gauge verification at 4 depths per cylinder.
2. Crankshaft & Bearing Renewal: Crank dynamically balanced (≤5g-cm); main & rod bearings replaced with BMW-spec ACL units (OEM 11118633292). Torque sequence strictly follows ISTA: 40Nm + 90° + 90° for main caps.
3. Cylinder Head Rebuild: Valvetronic motor (11348632905) and eccentric shaft sensor updated per TIS 11 12 019. Intake valves walnut-blasted; new valve stem seals (11328631844) fitted to reduce oil consumption.
4. Oil & Timing System Upgrade: Timing chain tensioner (11318627528) and rails replaced with post-SIZ-19-06-20 spec. Oil pump pickup screen cleaned; chain guide rails inspected for wear (a known B58 weak point at 100k+ miles).
5. HPFP & Fuel System Calibration: High-pressure pump tested at 200+ bar; cam lobes inspected for pitting. New injectors coded to DME; rail pressure sensor calibrated to prevent DME error 2B2F.
6. Post-Build Validation: 90-minute bench run with live monitoring: oil pressure ≥3.2 bar @ 2,000rpm, no misfires >1.5° crank deviation, and VANOS response time ≤120ms per ISTA spec.