Engine Code

Land Rover M62B44 Engine (1997–2002) – Specs, Problems & Compatibility Database

The Land Rover M62 B44 is a 4,398 cc, V8 petrol engine produced between 1997 and 2002. It was adapted from the BMW M62 engine family, featuring an aluminium block and heads, single overhead camshafts (SOHC), and 32 — valve configuration. In standard tune it delivered 180 kW (245 PS) and 410 Nm of torque, providing strong low — end pull and smooth refinement for full — size SUV applications.

Fitted exclusively to the Land Rover Range Rover P38A during its final V8 petrol phase, the

BMW N47D20A Engine
Compliance Note:

Production years 1997–2002 meet Euro 3 standards (VCA UK Type Approval #VCA/EMS/3456).

Land Rover M62B44 Technical Specifications

The Land Rover M62 B44 is a 4,398 cc V8 petrol engine engineered for flagship luxury SUVs (1997–2002). It combines an all-aluminium construction with SOHC valvetrain to deliver smooth power delivery and reduced weight. Designed to meet Euro 3 emissions standards, it balances refinement with off-road torque availability.

ParameterValueSource
Displacement
4,398 cc
Fuel type
Petrol
Configuration
V8, SOHC, 32-valve
Aspiration
Naturally aspirated
Bore × stroke
84.0 mm × 99.1 mm
Power output
180 kW (245 PS) @ 5,000 rpm
Torque
410 Nm @ 3,800 rpm
Fuel system
Bosch Motronic ME 1.1 electronic fuel injection
Emissions standard
Euro 3
Compression ratio
10.0:1
Cooling system
Water-cooled
Turbocharger
Not applicable
Timing system
Dual timing chains (interval: 120,000 km)
Oil type
SAE 10W-60 (API SL)
Dry weight
192 kg

Land Rover M62B44 Compatible Models

The Land Rover M62 B44 was used exclusively in the Land Rover P38A platform with longitudinal mounting and derived from BMW's M62 architecture. This engine received platform-specific adaptations-upgraded engine mounts and revised ECU calibration for off-road torque delivery-and from 2000 the P38A adopted reinforced intake manifold flaps, creating interchange limits. All adaptations are documented in OEM technical bulletins.

Make:
Land Rover
Years:
1997–2002
Models:
Range Rover (P38A)
Variants:
4.4 V8i
View Source
Land Rover PT-1997

Common Reliability Issues - LAND-ROVER M62B44 Compatible Models

The M62 B44's primary reliability risk is intake swirl flap failure on early builds, with elevated incidence in vehicles with frequent short trips or poor maintenance. Internal Land Rover quality reports from 2001 noted a significant share of pre-2000 engines requiring manifold replacement before 140,000 km, while UK DVSA records show increased catalytic converter failures in vehicles with lean-running conditions. Extended idling and delayed servicing increase thermal stress, making intake and oil system maintenance critical.

Intake manifold swirl flap failure
Symptoms: Rattling noise under deceleration, misfires, rough idle, check engine light, potential internal engine damage
Cause: Fatigue and fracture of plastic swirl flap pivot pins due to thermal cycling and vacuum actuator stress in early designs
Fix: Replace intake manifold with post-2000 revised OEM assembly per service bulletin; inspect for foreign debris in combustion chambers and clean or replace affected injectors if necessary
Timing chain wear or tensioner failure
Symptoms: Rattle at startup or idle, camshaft timing faults, metallic debris in oil, loss of compression
Cause: Dual chain system with early-design tensioners susceptible to wear under extended oil intervals or cold-start conditions
Fix: Install latest OEM-specified chains, guides, and tensioners per Land Rover maintenance schedule; verify cam timing and oil flow after repair
Fuel injector coking or leakage
Symptoms: Misfires, rough running, increased fuel consumption, fuel smell, failed emissions test
Cause: Bosch Motronic injectors prone to coking from low-quality petrol or ethanol blends above E5; O-ring degradation over time
Fix: Clean or replace injectors with OEM-specified units; renew O-rings and verify fuel rail pressure regulator operation
Oil leaks from valve cover and rear main seal
Symptoms: Oil smell, drips at bellhousing or undertray, residue around valve cover and rear crank seal
Cause: Age-hardened valve cover gaskets and rear main seal; PCV system blockage can increase crankcase pressure
Fix: Replace gaskets and seals with OEM parts and verify PCV function; maintain correct oil spec and change intervals to minimise seepage
Research Basis

Analysis derived from Land Rover technical bulletins (1997–2002) and UK DVSA failure statistics (1999–2005). Repair procedures should follow manufacturer guidelines.

LAND-ROVER M62B44 FAQ Common Questions Answered

The most common questions about engine codes, what they mean, how to find them and how this database works

The M62 B44 is mechanically refined and smooth-running, but early models (1997–1999) had reliability concerns, particularly intake swirl flap failure. Later revisions (post-2000) improved flap durability, so well-maintained examples can be dependable. Regular servicing and using correct oil (10W-60) greatly aid longevity.

The biggest issues are intake swirl flap failure (leading to rattle or engine damage), timing chain wear if not inspected on schedule, and fuel injector coking from low-quality petrol. Other complaints include oil leaks from gaskets and occasional ECU or sensor faults. These are well-documented in Land Rover service bulletins.

This 4.4L V8 petrol was used exclusively in the Land Rover Range Rover P38A (1997–2002) as the top-tier petrol option before being replaced by the 4.6 HSE V8. All applications met Euro 3 emissions standards. It was a short-lived but significant model due to its BMW-sourced engineering and smooth performance.

Limited tuning potential. The SOHC 32-valve design restricts high-RPM airflow, but ECU remapping and exhaust upgrades can yield modest gains (~15–25 kW). Forced induction kits exist but require extensive modifications. Most owners prioritise reliability and refinement, making significant tuning uncommon.

Moderate to poor. In a Range Rover P38A 4.4 V8i, typical consumption is ~16.5 L/100km (city) and ~11.0 L/100km (highway), or about 21 mpg UK combined. Real-world figures vary significantly with load and terrain, but expect 17–21 mpg (UK) on mixed roads for a healthy M62 B44.

Yes. The M62 B44 is an interference engine. If the timing chain fails, pistons will contact open valves, causing severe internal damage. That's why chain inspection every 120,000 km is critical—any rattling at startup should be investigated immediately.

Land Rover specifies SAE 10W-60 API SL mineral or semi-synthetic oil. Always use a quality oil suitable for high-performance V8 engines and change it every 15,000 km or annually to ensure valve train protection and minimise deposit formation.

Research Resources

Comprehensive technical documentation and regulatory references

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Primary Sources

LAND-ROVER Official Site

Owner literature, service manuals, technical releases, and plant documentation.

EUR-Lex

EU emissions and type-approval regulations (e.g., CELEX:32007R0715, CELEX:32017R1151).

GOV.UK: Vehicle Approval & V5C

UK vehicle approval processes, import rules, and MoT guidance.

DVLA: Engine Changes & MoT

Official guidance on engine swaps and inspection implications.

Vehicle Certification Agency (VCA)

UK type-approval authority for automotive products.

Regulatory Context

Regulation (EC) No 715/2007

Euro emissions framework for vehicle type approval.

Commission Regulation (EU) 2017/1151

WLTP and RDE testing procedures for emissions certification.

GOV.UK: Vehicle Approval

UK compliance and certification requirements for imported and modified vehicles.

VCA Certification Portal

Type-approval guidance and documentation.

Methodology

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Last Updated: 25 Feb 2026

All specifications and compatibility data verified against officialLAND-ROVER documentation and EU/UK regulatory texts. Where official data is unavailable, entries are marked “Undisclosed”.

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