BMW X5 4 8Is Engine Replacement - Rebuilt & Reconditioned Units from £4,200
Compare BMW X5 4 8Is 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 4.8is Specialists
Expert Solutions for Every X5 4.8is - 4.8i to X5 4.8is
Need a reliable replacement engine for your BMW X5 4.8is?
Engine Finders specializes in X5 4.8is engines with solutions for common N62B48 failures.
- ✔ X5 4.8is-Specific Engine Types - Addressing timing chain and valve stem seal issues in N62B48 variants
- ✔ Precision-Tuned for X5 4.8is - Correct calibration for VANOS and EGR systems
- ✔ X5 4.8is Pricing Advantage - Save up to £2,000 on common engine repairs
BMW X5 4.8is 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 E53 chassis (2004-2006).
High-performance rebuilds with OEM parts, addressing valve stem seal failures.
Stripped and rebuilt to factory specs, with updated timing chain components.
Inspected and restored, resolving common coolant leaks and oil consumption issues.
Direct OEM swap units for minimal downtime and guaranteed N62B48 fitment.
Cleaned, tested, and tuned to overcome VANOS performance loss.
Affordable OEM units with verified mileage, ideal for budget-conscious owners.
BMW X5 4.8is 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 4.8is Engine?
Engine Finders connects UK drivers with vetted specialists for reliable, reconditioned BMW X5 4.8is replacement engines. From the powerful N62B48 engine known for its VANOS and valve stem seal issues to the specific cooling system vulnerabilities in the 4.8is variant, we provide targeted solutions. Whether you need a replacement due to the common oil consumption problems unique to the 4.8is's higher-output tuning or timing chain guide failures exacerbated by the model's performance characteristics, Engine Finders makes it easy to locate the right engine, fast.
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✔ 4.8is-Specific Valve Stem Seal Solutions
We address the accelerated valve stem seal wear (OEM 11347506667) unique to the N62B48's higher compression ratio in the 4.8is, replacing them with Viton-coated seals that withstand the specific thermal stress of the performance variant.
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✔ VANOS System Reconditioning for 4.8is
Our rebuilt engines include updated VANOS solenoids specifically calibrated for the 4.8is's more aggressive cam timing, preventing the low-RPM hesitation and cold-start rattles common in this variant.
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✔ Cooling System Upgrades for High-Temp Operation
The 4.8is's increased power output leads to higher operating temperatures. We upgrade the coolant transfer pipe (OEM 11537566427) and radiator components to prevent the cooling system failures that commonly plague this performance model.
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✔ Timing Chain Guide Reinforcement
We replace the fragile plastic timing chain guides (OEM 11317532327) with reinforced composite versions that withstand the additional stress from the 4.8is's performance tuning, preventing catastrophic failure.
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✔ 4.8is-Specific ECU Compatibility
Every engine is tested for compatibility with the 4.8is's unique MSV90 DME, ensuring proper integration with the model-specific performance mapping and all-wheel drive system (E53 chassis).
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✔ Oil Separation System Optimization
We upgrade the crankcase ventilation and oil separator (OEM 11157587345) to handle the 4.8is's higher crankcase pressures, reducing the excessive oil consumption that affects this variant more than standard N62 engines.
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✔ Performance-Oriented Break-In Procedure
Each 4.8is engine comes with a model-specific break-in protocol that accounts for the performance differentials over standard X5 models, ensuring optimal sealing and longevity under the variant's higher operating stresses.
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 4.8is Engines for Sale | Engine Finders
Need a BMW X5 4.8is replacement engine? This high-performance E53 V8 often requires replacement due to coolant leaks and timing chain issues.
BMW X5 4.8is Replacement Engines
The X5 4.8is, produced from 2004-2006 on the E53 chassis, came equipped with the N62B48 V8. This engine evolved from the earlier N62B44 with higher displacement and revised VANOS control, boosting output to 355 hp. Owners often face cooling system issues, such as leaks from the internal coolant transfer pipe, and valve stem seal failures that increase oil consumption. Unlike the 4.4i, the 4.8is carried a higher load on its cooling system, making proactive maintenance critical.
BMW X5 4.8is Models & Engines Codes
The X5 4.8is was exclusively powered by the N62B48 engine, with calibration and components tailored for the E53 chassis between 2004 and 2006.
- N62B48: 4.8L V8 petrol, 265 kW, fitted only to the X5 4.8is (E53, 2004-2006)
- Known for coolant transfer pipe leaks (OEM 11117547842)
- Valve stem seal wear leading to blue smoke under acceleration
- Chain guide failure requiring replacement around 100k miles
- Distinct exhaust tuning compared to the 4.4i, offering higher torque delivery
Unlike the N62B44 in the 4.4i, the 4.8is version runs hotter and places greater stress on seals and cooling parts, making regular inspection essential.
Buy Used and Second-Hand BMW X5 4.8is Engines
When sourcing a replacement engine, X5 4.8is owners can choose from used, reconditioned, rebuilt, or remanufactured options.
- Used engines: Lower upfront cost but risk of existing coolant leaks
- Reconditioned engines: Key seals and gaskets replaced for reliability
- Rebuilt engines: Chain guides, coolant pipes, and valve seals upgraded
- Remanufactured engines: Full OEM spec rebuild addressing N62-specific weaknesses
For the X5 4.8is, remanufactured engines are recommended as they address known coolant transfer pipe and valve stem seal issues.
BMW X5 4.8is Engines in Stock
Our network regularly supplies reconditioned N62B48 engines for the X5 4.8is, complete with all critical updates to improve reliability.
- New timing chain guides (OEM 11317521015)
- Upgraded coolant transfer pipe (OEM 11117547842)
- Valve stem seal replacement kit
- Revised crankcase ventilation system
- Fresh gaskets and oil seals throughout
Each X5 4.8is engine undergoes bench testing for oil pressure stability, VANOS performance, and compression consistency before dispatch.
Warranty for Replacement BMW X5 4.8is Engines
All rebuilt and reconditioned X5 4.8is engines come with a standard 12-month unlimited mileage warranty for parts and labour.
- Coverage includes timing chain components (OEM 11317521015)
- Coolant transfer pipe and seals replaced under warranty
- Valve stem seals guaranteed against oil consumption issues
- Excludes damage from overheating or improper installation
Engine Finders is a comparison platform; warranties are provided by the supplying reconditioner or rebuilder directly.
Expert Tips for Choosing the Right Engine for Your BMW X5 4.8is
BMW X5 4.8is Engine Types Explained
- N62B48 V8 is the only engine fitted in the 4.8is (2004-2006)
- Reconditioned engines fix coolant transfer pipe failures
- Rebuilt units often include new chain guides (OEM 11317521015)
- Remanufactured options replace valve seals to cure oil smoke
BMW X5 4.8is Replacement Engine Cost in the UK
- Used N62B48 engines: typically £1,500-£2,000 in the UK
- Reconditioned engines: usually £2,500-£3,000
- Rebuilt with new VANOS seals: £3,200-£3,600
- Full remanufactured engines: £4,000-£4,500 with warranty
Finding the Right BMW X5 4.8is Engine
- Engine code N62B48 appears only on the 4.8is variant
- VIN check confirms production 2004-2006 (E53 chassis)
- Ensure engine mounts match E53 spec, not E65 7 Series
- Check ECU compatibility with 355 hp calibration maps
BMW X5 4.8is Petrol vs Diesel Engines
- The 4.8is was petrol-only with N62B48 V8
- Petrol tuning gave 355 hp vs 218 hp diesel in 3.0d
- No diesel option existed for this trim level
- ULEZ compliant unlike some earlier diesel X5s
Quality Assurance & Warranty
- Timing chain guides (OEM 11317521015) replaced on rebuild
- Coolant transfer pipe (OEM 11117547842) upgraded
- Valve stem seals replaced to stop oil consumption
- 12-month unlimited mileage warranty on rebuilt units
Compare & Save on BMW X5 4.8is Engines
- Compare suppliers to avoid overpaying for N62 rebuilds
- Choose reconditioned units with VANOS seal upgrades
- Save up to £800 via Engine Finders supplier network
- Check warranty covers timing chain and coolant pipe
BMW X5 4.8is Engine Works: How Experts Rebuild Engines
When your engine fails, BMW X5 4.8is 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.
Step 1: Full strip-down of N62B48 with borescope inspection for coolant pipe wear.
Step 2: Replace timing chain guides (OEM 11317521015) using BMW locking tool set.
Step 3: Fit updated coolant transfer pipe (OEM 11117547842) to prevent leaks.
Step 4: Replace valve stem seals with OEM kit to resolve blue smoke issues.
Step 5: Rebuild VANOS units with new seals to restore smooth idle and power.
Step 6: Bench test oil pressure, compression, and VANOS timing before delivery.