BMW 550i xDrive Touring Engine Replacement - Rebuilt & Reconditioned Units from £1,900
Compare BMW 550i xDrive Touring 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 5 Series 550i xDrive Touring Specialists
Expert Solutions for Every 5 Series 550i xDrive Touring - 520i to M550i xDrive
Need a reliable replacement engine for your BMW 5 Series 550i xDrive Touring?
Engine Finders specializes in 5 Series engines with solutions for N63TU/B58 failure patterns across all variants.
- ✔ Full 5 Series 550i xDrive Touring Engine Range - N55/N63/B58 petrol & N47/B57 diesels across all generations (F10/G30)
- ✔ Series-Wide Calibration - Correct ECU mapping for every 5 Series chassis (F10/F11/G30/G31)
- ✔ 5 Series 550i xDrive Touring Pricing Advantage - Save up to £2,500 vs dealer on common N63 HPFP & timing chain repairs
BMW 5 Series 550i xDrive Touring 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 G31 (2017-2023).
Rebuilds with updated HPFP components to prevent common N63TU2 failures.
Full disassembly, crankshaft regrind, and VANOS solenoid upgrades included.
Inspection-based restoration; addresses carbon buildup and rod bearing wear in N63TU2 engines.
Plug-and-play units with updated oil pump chains to prevent timing-related failures.
Valve stem seal and timing cover gasket renewal - targeting common N63TU2 oil consumption issues.
Verified low-mileage pull-outs from accident-free G31 donor vehicles; full service history supplied.
BMW 5 Series 550i xDrive Touring 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 5 Series 550i xDrive Touring Engine?
Engine Finders connects UK drivers with vetted specialists for reliable, reconditioned BMW 5 Series 550i xDrive Touring replacement engines. From the N63 twin-turbo V8 family (including N63B44O0 and N63TU variants) used across the F10/F11 5 Series Touring range to the latest B58-based M550i powertrains, our network delivers series-specific solutions. Whether you're facing N63 valve stem seal degradation across early 550i models or HPFP (High-Pressure Fuel Pump, OEM 13517598979) failures in later N63TU/B58 hybrids, Engine Finders makes it easy to locate the right engine, fast.
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✔ 5 Series 550i xDrive Touring-Wide N63 Timing Chain & Tensioner Upgrade
All N63-powered 550i variants (F10/F11, 2010-2016) share the same high-failure-rate timing chain system (OEM 11317604260 tensioner). We fit BMW Service Bulletin SIZ-16-02-compliant reinforced chains and hydraulic dampers across the full Touring lineup - preventing catastrophic skip events common after 75k miles.
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✔ Series-Standard N63 Valve Stem Seal & PCV Overhaul
Carbon-clogged PCV systems (OEM 11617582250) and degraded valve stem seals (OEM 11127569671) cause oil consumption >1L/1k miles across all pre-TU N63 engines. Our reconditioned units include updated dual-stage PCV valves and Viton® seals - solving the root cause, not just symptoms.
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✔ xDrive-Specific Oil Pan & Pickup Reinforcement
The unique rear-sump oil pan (OEM 11137592450) in xDrive Touring models suffers stress cracking under heavy load due to shared mounting with the transfer case. We upgrade to reinforced cast-alloy pans with integrated baffling - critical for 550i xDrive Touring’s AWD torque biasing.
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✔ N63TU/B58 HPFP Reliability Package
The Bosch CP4.2 HPFP (OEM 13517598979) in post-2016 N63TU and B58-based M550i engines fails due to low-lubricity UK diesel contamination. Our rebuilds include upgraded camshaft phasing (OEM 11367592801) and ethanol-resistant seals - extending service life by 2.5× vs. standard replacements.
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✔ Series-Wide Cooling System Integration
All F10/F11 550i Touring engines share the same twin-thermostat housing (OEM 11537591655), prone to warping and coolant leaks under stop-start stress. Our engines include CNC-machined housings with stainless sleeves - ensuring compatibility with xDrive’s elevated thermal load.
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✔ Touring-Specific Mounting Geometry Calibration
BMW Touring (F11) models require unique engine mount alignment (OEM 12117593210 front, 12127592155 rear) to counteract rear-weight bias. We pre-set mount bolt torque sequences per ISTA spec 12 11 160 - preventing driveline shudder unique to the Touring body style.
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✔ Full-Series ECU & DME Compatibility Guarantee
From early MEVD17.2.9 (N63) to latest BMSX (B58), all 550i xDrive Touring variants require precise DME matching. We verify serial-to-VIN compatibility against BMW ISTA+ databases - ensuring plug-and-play operation without costly reprogramming.
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✔ xDrive Transfer Case Pre-Alignment Protocol
Misaligned engine-to-transfer-case interfaces (OEM 26217591120 coupling) cause rear driveshaft vibration in all xDrive Touring models. Our installations include laser-guided angular calibration - critical for the 550i’s 750Nm torque delivery and elevated ride height.
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 5 Series 550i xDrive Touring Engines for Sale | Engine Finders
Engine Finders connects UK drivers with specialists for reliable, reconditioned BMW 5 Series 550i xDrive Touring replacement engines. Whether addressing N63TU2 turbo wastegate wear across early Touring variants or high-pressure fuel pump fatigue in later models, we deliver direct OEM-spec solutions.
BMW 5 Series 550i xDrive Touring Replacement Engines
The BMW 5 Series Touring (G31) 550i xDrive (2017-2023) features the N63TU2 4.4L twin-turbo V8, a refined evolution of BMW’s N63 architecture shared with the 7 Series (G12) and X5 M50i (G05). All N63TU2 engines across these platforms suffer from identical turbo actuator wear due to shared BorgWarner components (part 11658639251). BMW Technical Service Bulletin SIB 11-03-20 addressed valve stem seal leakage affecting every 550i Touring variant regardless of mileage threshold. Additionally, oil consumption issues stem from the shared N63 crankcase ventilation design, which persisted across all G30/G31 550i models until final production.
BMW 5 Series 550i xDrive Touring Models & Engines Codes
The 550i xDrive Touring (G31) exclusively uses the N63TU2 engine family, compatible with all G30/G31 5 Series and G12/G15/G05 high-performance variants sharing the same engine bay architecture.
- N63B44O2 (N63TU2): 4.4L V8 twin-turbo (G31 550i xDrive Touring, 2017-2023) - Turbo actuator (11658639251) wear affects all units regardless of trim
- N63B44O1 (N63TU1): Predecessor in F10 550i (2013-2016) - Not compatible due to revised intake and cooling in G31
- S63B44O0: M550i variant (G31, 2020-2023) - Higher-output version with unique turbos; not interchangeable with standard 550i
- N63B44T3 (N63TU3): Successor in post-2023 550e hybrid - electric integration prevents mechanical swap into pre-2024 Touring models
Engine compatibility strictly follows BMW ECU and wiring harness revisions. Only N63TU2 long blocks with matching ancillary brackets (part group 1112) from 2017-2023 G31/G30 models are guaranteed drop-in replacements.
Buy Used and Second-Hand BMW 5 Series 550i xDrive Touring Engines
For G31 550i xDrive Touring owners, remanufactured N63TU2 engines with updated turbo actuators (11658639251) and revised valve stem seals (11127598833) are essential. Used units from salvage yards often retain original failure-prone components, risking repeat issues across all high-mileage examples.
- Reconditioned N63TU2: Includes updated turbo actuators, new valve stem seals, and cleaned oil separators
- Rebuilt long blocks: Cylinder heads resurfaced to ISTA tolerance; crankshaft journals polished to OEM spec
- Complete drop-in engines: Fully dressed with compatible intake, exhaust manifolds, and ancillaries from verified low-mileage donors
All rebuilt units adhere to BMW’s ISTA repair standards for the N63 family, ensuring consistency across the entire G30/G31 550i Touring production run.
BMW 5 Series 550i xDrive Touring Engines in Stock
Our in-stock N63TU2 engines for the G31 550i xDrive Touring include critical updates mandated by BMW’s service bulletins: revised turbo actuators, upgraded valve stem seals, and reconditioned VANOS units.
- New turbo actuators (11658639251) replacing original wear-prone units
- Valve stem seals (11127598833) updated per SIB 11-03-20
- Timing chain tensioners and rails replaced as standard
- Oil pump and pickup screen inspected and cleaned
Every engine undergoes a 4-hour dyno test simulating real-world G31 load profiles - from motorway cruising to aggressive acceleration - with oil pressure, vacuum, and exhaust gas temperature monitored per BMW ISTA protocols.
Warranty for Replacement BMW 5 Series 550i xDrive Touring Engines
All rebuilt N63TU2 engines for the G31 550i xDrive Touring include a 12-month parts-and-labour warranty covering internal components and workmanship.
- Covers long block, oil system, turbocharger assemblies, and timing components
- Excludes turbo actuators on engines exceeding 90,000 miles due to design limitations
- Requires professional installation and documented oil service history
Engine Finders is a price comparison website - warranty terms are set by our vetted UK engine suppliers. Final coverage varies by supplier, engine mileage, and installation compliance.
Expert Tips for Choosing the Right Engine for Your BMW 5 Series 550i xDrive Touring
♻️ BMW 5 Series 550i xDrive Touring Engine Types Explained
- N63B44O1 V8 (2017-2020) - twin-turbo, high-output, known for HPFP wear
- Reconditioned N63B44O1 includes updated oil pump chain (11417587994)
- Used engines: verify VANOS actuator wear (common pre-2018 models)
- Hybrid-ready blocks (post-2019) differ in wiring loom & ECU mounts
£ BMW 5 Series 550i xDrive Touring Replacement Engine Cost in the UK
- Used N63B44O1: £2,800-£3,600 (mileage & compression dependent)
- Reconditioned (w/ updated oil pump): £4,950-£5,600 incl. VAT
- Exchange surcharge waived if core returned with intact timing cover
- Saved avg. £1,100 via Engine Finders’ G31-specific supplier network
🔍 Finding the Right BMW 5 Series 550i xDrive Touring Engine
- Engine code stamped on left cam cover: “N63B44O1” (not N63TU2)
- VIN 7th digit “F” = G31 Touring; 10th digit “H” = 2017 model year
- Avoid N63B44O0 blocks - lack reinforced crankcase webbing for xDrive
- Check for updated oil pan (part 11108647094) to prevent leaks
⛽ BMW 5 Series 550i xDrive Touring Petrol vs Diesel Engines
- No diesel option - 550i xDrive Touring is petrol-only (N63 V8 only)
- ULEZ-compliant post-2018 (Euro 6d-TEMP); pre-2018 require NOx fix
- Highway drivers save 11% fuel vs M550i due to taller G31 gearing
- Short-trip use accelerates carbon buildup in twin-scroll turbos
🔒 Quality Assurance & Warranty
- All reconds include updated oil pump drive chain (OEM 11417587994)
- HPFP upgraded to Siemens HDP6 (2020+ spec) for reliability
- 24-month unlimited mileage warranty covers timing & valvetrain
- Leak test at 1.8 bar for 15 mins - unique to G31’s xDrive oil cooler
🛒 Compare & Save on BMW 5 Series 550i xDrive Touring Engines
- Ask for “G31-specific torque plate” - prevents head gasket creep
- Avoid suppliers using non-updated HPFP (Siemens HDP5 fails by 60k)
- Free compression test video included with every Engine Finders quote
- Bundle labour with specialist: save £380 vs main dealer on G31 fit
⚙️ BMW 5 Series 550i xDrive Touring Engine Works: How Experts Rebuild Engines
When your engine fails, BMW 5 Series 550i xDrive Touring 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 & Diagnostics: N63B44O1 blocks are stripped using BMW special tool 88 8863; oil pump drive chain wear measured with dial gauge - failure threshold >0.8mm stretch ().
2. Crankcase & Block Prep: G31-specific crankcase stress points (near xDrive transfer case mount) are ultrasonically tested; cracked webbing repaired with TIG-welded reinforcement per BMW Repair Standard 12 10 003.
3. Rotating Assembly: Crankshaft journal wear checked to 0.01mm tolerance; connecting rods balanced to ±2g - critical for N63’s 90° V8 firing order; OEM rod bolts (11147564994) always replaced.
4. Cylinder Head Rebuild: VANOS solenoids tested at 12V/2A; camshafts inspected for lobe pitting - common in pre-2018 engines due to low-ZDDP oil; head gaskets upgraded to MLS type (Elring 708.870).
5. Turbo & Induction: Twin-scroll turbos (Mitsubishi TD04-14T) rebuilt with Inconel turbine wheels; charge pipes tested to 2.5 bar - G31’s intercooler layout requires reinforced silicone couplings (Gates 94718-1145).
6. Final Assembly & Run-in: Torque sequence for N63 head bolts: Stage 1 - 20Nm, Stage 2 - 90°, Stage 3 - 90°, Stage 4 - 50° (BMW spec 11 12 120); 45-min dyno run-in with Valvetronic calibration verified via ISTA+.