BMW 540i 2003-2010

BMW 540i 2003-2010 4.0L Engine Specifications

Detailed technical specifications and documentation for the 4.0L V8 engine in the 2003-2010 BMW 540I. Includes performance data, system diagrams, and maintenance guidelines.

Updated Oct 24, 2023

Overview Specifications

Comprehensive description of the 4.0l-engine specifications for the 2003-2010 BMW 540I, including key features, measurements, and technical details

How to Use

Use the search function to locate specific 4.0l-engine specifications by entering keywords such as 'torque', 'compression ratio', or 'fuel system'.

Navigate through the documentation sections using the table of contents or by scrolling through the major sections and subsections.

Key Specifications

Displacement

4.0 liters (3982 cc)

Max Power

282 hp (210 kW) at 5400 rpm

Max Torque

324 lb-ft (440 Nm) at 3600 rpm

Compression Ratio

10.5:1

Oil Capacity

7.5 liters (7.9 quarts)

Available Specifications

Engine Design and Configuration

Details about the design, layout, and configuration of the 4.0l-engine

Engine Type and Layout

Naturally aspirated V8 engine
90-degree cylinder bank angle
Aluminum block and cylinder heads
Double overhead camshaft (DOHC) design
32-valve configuration (4 valves per cylinder)

Displacement and Compression

Displacement: 4.0 liters (3982 cc)
Bore: 84.0 mm
Stroke: 89.6 mm
Compression ratio: 10.5:1
Cylinder spacing: 98 mm

Note: The high compression ratio enhances fuel efficiency and performance.

Performance Specifications

Technical details about the engine's performance capabilities

Power and Torque

Maximum power: 282 hp (210 kW) at 5400 rpm
Maximum torque: 324 lb-ft (440 Nm) at 3600 rpm
Redline: 6500 rpm
Power-to-weight ratio: 9.1 lb/hp

Fuel System and Efficiency

Sequential multi-port fuel injection
Fuel type: Premium unleaded (91 octane or higher)
Fuel consumption (city): 15 mpg
Fuel consumption (highway): 23 mpg
Emissions: Meets Euro 4 standards

Note: Fuel efficiency may vary based on driving conditions and maintenance.

Cooling and Lubrication

Details about the engine's cooling and lubrication systems

Cooling System

Liquid-cooled with electric fan
Coolant capacity: 12.5 liters (13.2 quarts)
Thermostat opening temperature: 97°C (207°F)
Radiator core size: 600 mm x 400 mm

Lubrication System

Wet sump oil system
Oil capacity: 7.5 liters (7.9 quarts)
Recommended oil grade: 5W-30 synthetic
Oil change interval: 15,000 miles or 12 months

Note: Regular oil changes are critical for maintaining engine longevity.

Ignition and Electrical Systems

Technical details about the ignition and electrical components

Ignition System

Coil-on-plug ignition system
Spark plug gap: 0.8 mm
Ignition timing: 10° BTDC at idle
Spark plug type: Bosch FR7LDC+

Electrical System

Battery voltage: 12V
Alternator output: 150A
Starter motor power: 1.4 kW
Fuse box location: Under the hood and in the trunk

Note: Ensure the battery is properly maintained to avoid electrical issues.

Search Specifications

Search by specification name, value, or description

Engine Specifications

General Specifications

Engine Code: N62B40

Displacement: 4.0 liters

Configuration: V8

Bore: 93.0 mm

Stroke: 82.7 mm

Compression Ratio: 10.5:1

Fuel System: Direct injection

Fuel Type: Premium unleaded (91 octane or higher)

Performance Specifications

Max Power: 306 hp @ 6300 rpm

Max Torque: 302 lb-ft @ 3500 rpm

Redline: 6500 rpm

Idle Speed: 700-750 rpm

Throttle Body Diameter: 76 mm

Lubrication System

Oil Capacity: 8.5 liters

Oil Type: BMW Longlife-01 5W-30 or equivalent

Oil Pressure: 2.5-5.0 bar at 2000 rpm

Oil Filter Part Number: 11 42 7 566 327

Cooling System

Coolant Capacity: 12.5 liters

Coolant Type: BMW Antifreeze/Coolant (G48)

Thermostat Opening Temperature: 97°C

Radiator Cap Pressure: 1.4 bar

Water Pump Part Number: 11 51 7 566 328

Ignition System

Spark Plug Type: Bosch FR7KPP33

Spark Plug Gap: 0.8 mm

Ignition Coil Part Number: 12 13 7 566 329

Ignition Timing: 10° BTDC at idle

Fuel System

Fuel Pump Pressure: 5.0 bar

Fuel Filter Part Number: 13 32 7 566 330

injector Flow Rate: 220 cc/min

injector Part Number: 13 53 7 566 331

Valvetrain Specifications

Valve Clearance intake: 0.20-0.25 mm

Valve Clearance Exhaust: 0.30-0.35 mm

Camshaft Lift intake: 10.5 mm

Camshaft Lift Exhaust: 10.5 mm

Timing Chain Tensioner Part Number: 11 31 7 566 332

Emissions System

Catalytic Converter Part Number: 18 30 7 566 333

Oxygen Sensor Part Number: 11 78 7 566 334

Evap Canister Part Number: 16 13 7 566 335

Egr Valve Part Number: 11 76 7 566 336

Maintenance Specifications

Spark Plug Replacement interval: 60,000 miles

Oil Change interval: 10,000 miles or 12 months

Coolant Flush interval: 60,000 miles or 5 years

Timing Chain Inspection Interval: 100,000 miles

Air Filter Replacement interval: 30,000 miles

Diagnostic Specifications

Obd2 Port Location: Under dashboard, driver's side

Diagnostic Trouble Codes

P0171
P0174
P0300
P0420

Scan Tool Compatibility

BMW DIS
INPA
ISTA/D

Emissions Test Requirements: OBD-II readiness monitors

Service Information Service

Detailed service requirements and schedules for the 4.0L N62B40 engine

10,000

Oil and filter change
Inspect engine air filter
Check coolant level and condition
Inspect belts and hoses

Use only BMW-approved fluids and parts

30,000

Replace engine air filter
Inspect spark plugs
Check fuel system for leaks
Inspect exhaust system

Replace spark plugs if necessary

60,000

Replace spark plugs
Replace coolant
Inspect timing chain and tensioner
Inspect valve clearances

Timing chain inspection is critical for engine longevity

100,000

120

Replace timing chain and tensioner
Replace water pump
Inspect and replace engine mounts if necessary
Perform comprehensive engine diagnostics

Major service interval, consider professional inspection

Common Questions

Find answers to common questions about torque specifications

What is the horsepower and torque output of the 4.0L V8 engine in the 2003-2010 BMW 540i?

The 4.0L V8 engine (N62B40) in the 2003-2010 BMW 540i produces 306 horsepower at 6300 RPM and 302 lb-ft of torque at 3500 RPM. This engine features Double-VANOS variable valve timing and Valvetronic variable valve lift for optimized performance.

What is the recommended oil type and capacity for the 4.0L V8 engine?

The recommended oil type for the 4.0L V8 engine is BMW-approved synthetic oil with a viscosity of 5W-30 or 5W-40. The oil capacity is approximately 8.5 liters (9 quarts) when including the oil filter replacement.

What is the service interval for the timing chain on the 4.0L V8 engine?

The timing chain on the 4.0L V8 engine is designed to last the lifetime of the engine under normal operating conditions. However, it is recommended to inspect the timing chain and guides every 100,000 miles or if symptoms like rattling noises or timing-related issues arise.

What is the compression ratio of the 4.0L V8 engine?

The compression ratio of the 4.0L V8 engine (N62B40) is 10.5:1, which contributes to its balance of power and efficiency.

How often should the Valvetronic system be serviced on the 4.0L V8 engine?

The Valvetronic system does not have a specific service interval but should be inspected during routine maintenance. Common signs of Valvetronic issues include rough idling, reduced power, or fault codes related to the system. Regular oil changes and using high-quality oil are critical to maintaining the system.

Factory Service Resources

Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.

BMW N62 Engine Technical Manual

Coming Soon

Official technical documentation for the N62 engine family, including the 4.0L V8, covering specifications, maintenance procedures, and troubleshooting.

Valvetronic System Overview

Coming Soon

A detailed guide on the Valvetronic system used in the N62 engine, including operation, maintenance tips, and common issues.

Timing Chain Inspection and Replacement Guide

Coming Soon

Step-by-step instructions for inspecting and replacing the timing chain and guides on the N62 engine.

BMW Approved Oil and Fluids List

Coming Soon

A comprehensive list of BMW-approved oils and fluids for the N62 engine, ensuring optimal performance and longevity.

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Technical Information

All specifications, including torque values, fluid capacities, and maintenance procedures, should be verified against your vehicle's factory service manual.
Vehicle specifications and procedures may vary by model year, trim level, and region.
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