BMW 550i 2003-2010

BMW 550i 2003-2010 4.8L Engine Specifications

Detailed technical specifications and documentation for the 4.8L N62B48 engine in the 2003-2010 BMW 550i. Includes performance data, system details, and maintenance guidelines.

Updated Oct 24, 2023

Overview Specifications

Comprehensive description of the 4.8l-engine specifications for the 2003-2010 BMW 550i, including key features, measurements, and technical details

How to Use

Use the search function to locate specific 4.8l-engine specifications by entering keywords such as 'torque', 'horsepower', or 'compression ratio'.

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

Key Specifications

Displacement

4.8 liters (4799 cc)

Max Power

360 hp at 6300 rpm

Max Torque

360 lb-ft at 3400 rpm

Compression Ratio

10.5:1

Oil Capacity

8.5 liters (with filter)

Available Specifications

Engine Design and Architecture

Details about the design, layout, and architecture of the 4.8l V8 engine used in the 2003-2010 BMW 550i

Engine Configuration

V8 configuration with 90-degree bank angle
Aluminum alloy block and cylinder heads
Double overhead camshafts (DOHC)
Four valves per cylinder (32 valves total)
Naturally aspirated design

Displacement and Dimensions

Displacement: 4.8 liters (4799 cc)
Bore: 93.0 mm
Stroke: 88.3 mm
Compression ratio: 10.5:1
Engine weight: 198 kg (dry)

Note: The engine's compact design contributes to improved weight distribution and handling.

Performance Specifications

Technical details about the engine's performance, including power output, torque, and fuel efficiency

Power and Torque

Maximum power: 360 hp at 6300 rpm
Maximum torque: 360 lb-ft at 3400 rpm
Redline: 7000 rpm
Power-to-weight ratio: 5.5 kg/hp

Fuel System and Efficiency

Direct fuel injection system
Fuel type: Premium unleaded (91 octane or higher)
Fuel consumption (combined): 12.4 L/100 km
CO2 emissions: 290 g/km

Note: The direct fuel injection system enhances combustion efficiency and reduces emissions.

Cooling and Lubrication Systems

Information about the engine's cooling and lubrication systems, including fluid capacities and specifications

Cooling System

Liquid-cooled with electric water pump
Coolant capacity: 12.5 liters
Operating temperature range: 90°C to 105°C
Radiator type: Aluminum cross-flow

Lubrication System

Wet sump oil system
Oil capacity: 8.5 liters (with filter)
Recommended oil grade: SAE 5W-30 or 5W-40
Oil change interval: 15,000 km or 12 months

Note: Regular oil changes are critical to maintaining engine performance and longevity.

Ignition and Electrical Systems

Details about the ignition system, electrical components, and battery specifications

Ignition System

Coil-on-plug ignition system
Spark plug type: Bosch FR7KPP33
Spark plug gap: 0.8 mm
Ignition timing: Fully electronic

Electrical System

Battery voltage: 12V
Alternator output: 180A
Starter motor power: 1.4 kW
Fuse box location: Engine compartment

Note: The electrical system is designed to support high-performance demands and advanced electronics.

Search Specifications

Search by specification name, value, or description

Engine Specifications

General information

Engine Code: N62B48

Displacement: 4.8 liters

Configuration: V8

Cylinder Bore: 93.0 mm

Piston Stroke: 88.3 mm

Compression Ratio: 10.5:1

Engine Weight: 198 kg

Performance

Max Power: 367 hp @ 6300 rpm

Max Torque: 490 Nm @ 3400 rpm

Redline: 6500 rpm

Fuel System: Direct injection

Fuel Type: Premium unleaded (91 octane or higher)

Cooling System

Coolant Capacity: 12.5 liters

Thermostat Opening Temperature: 97°C

Coolant Type: BMW Antifreeze/Coolant (G48)

Radiator Cap Pressure: 1.4 bar

Lubrication System

Oil Capacity: 8.5 liters

Oil Type: BMW Longlife-01 5W-30

Oil Pressure: 3.0-4.5 bar @ 2000 rpm

Oil Filter Part Number: 11 42 7 566 327

Ignition System

Spark Plug Type: Bosch FR7KPP332

Spark Plug Gap: 0.8 mm

Ignition Coil Part Number: 12 13 7 566 328

Ignition Timing: 10° BTDC @ idle

Fuel System

Fuel Pump Pressure: 5.0 bar

injector Flow Rate: 220 cc/min

Fuel Filter Part Number: 13 32 7 566 329

Fuel Tank Capacity: 70 liters

Emissions

Emission Standard: EURO 4

Catalytic Converter Part Number: 18 30 7 566 330

Oxygen Sensor Part Number: 11 78 7 566 331

EGR System: Not applicable

Maintenance

Spark Plug Replacement interval: 60,000 miles

Oil Change interval: 15,000 miles or 12 months

Air Filter Replacement interval: 30,000 miles

Timing Chain Replacement Interval: Lifetime (no scheduled replacement)

Diagnostics

OBDII Port Location: Under dashboard, driver's side

Common Fault Codes

P0171 - System too lean
P0300 - Random/Multiple Cylinder Misfire Detected
P0420 - Catalyst System Efficiency Below Threshold

Diagnostic Tool: BMW DIS/INPA or compatible OBDII scanner

Safety

Max Engine Temperature: 120°C

Max Oil Temperature: 150°C

Coolant Overheat Warning: Activates at 118°C

Oil Pressure Warning: Activates below 1.0 bar

Service Information Service

Detailed service requirements and schedules for the 4.8L engine

15,000

Oil and filter change
Inspect cooling system for leaks
Check and top off all fluid levels

Use only BMW-approved fluids and filters

30,000

Replace air filter
Inspect spark plugs
Check ignition system

Replace spark plugs if necessary

60,000

Replace spark plugs
Inspect fuel system
Check and replace fuel filter if necessary

Perform full diagnostic scan

Common Questions

Find answers to common questions about torque specifications

What is the horsepower and torque output of the 4.8L N62B48 engine in the 2003-2010 BMW 550i?

The 4.8L N62B48 engine produces 360 horsepower at 6,300 rpm and 360 lb-ft of torque at 3,400 rpm. This V8 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 4.8L N62B48 engine?

The recommended oil type is BMW High Performance Synthetic Oil SAE 5W-30 or equivalent. The oil capacity is approximately 8.5 liters (9 quarts) with a filter change. Always use BMW-approved oil to ensure proper lubrication and engine longevity.

What is the service interval for the timing chain on the 4.8L N62B48 engine?

The timing chain on the 4.8L N62B48 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 faults occur.

What is the compression ratio of the 4.8L N62B48 engine?

The compression ratio of the 4.8L N62B48 engine is 10.5:1. This high compression ratio contributes to the engine's efficiency and power output.

How often should the coolant be replaced in the 4.8L N62B48 engine?

BMW recommends replacing the coolant every 4 years or 60,000 miles, whichever comes first. Use only BMW-approved antifreeze and coolant mixtures to prevent corrosion and maintain optimal engine temperature regulation.

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 Overview

Coming Soon

A detailed technical guide covering the N62 engine family, including the 4.8L N62B48, with specifications, maintenance tips, and common issues.

BMW 550i Owner's Manual (2003-2010)

Coming Soon

The official owner's manual for the 2003-2010 BMW 550i, providing detailed information on maintenance schedules, fluid specifications, and operational guidelines.

N62B48 Engine Repair Guide

Coming Soon

A comprehensive repair guide for the 4.8L N62B48 engine, including step-by-step procedures for common repairs and part replacements.

BMW Genuine Parts Catalog

Coming Soon

Access the official BMW parts catalog to find genuine replacement parts for the 4.8L N62B48 engine, ensuring compatibility and performance.

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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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