BMW 750i 2001-2008

BMW 750i 2001-2008 4.8L Engine Specifications

Detailed technical specifications and documentation for the 4.8L N62B48 engine in the 2001-2008 BMW 750i. Includes performance data, maintenance guidelines, and component-specific details for automotive professionals and enthusiasts.

Updated Oct 24, 2023

Overview Specifications

Comprehensive description of the 4.8l-engine specifications for the 2001-2008 BMW 750i, 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', 'displacement', or 'compression ratio'.

Navigate through the documentation sections using the table of contents or by scrolling through the major sections listed below.

Key Specifications

Displacement

4.8 liters (4799 cc)

Max Power

362 hp (270 kW) at 6300 RPM

Max Torque

490 Nm (361 lb-ft) at 3400 RPM

Compression Ratio

10.5:1

Oil Capacity

8.5 liters (with filter)

Available Specifications

Engine Design and Configuration

Details about the design, layout, and configuration of the 4.8l-engine.

Engine Layout

V8 configuration with 90-degree bank angle
Aluminum alloy block and cylinder heads
Double overhead camshafts (DOHC) per cylinder bank
32-valve setup with variable valve timing (VANOS)
Displacement: 4.8 liters (4799 cc)

Combustion System

Direct fuel injection system
Compression ratio: 10.5:1
Bore x Stroke: 93.0 mm x 88.3 mm
Maximum engine speed: 6500 RPM
Knock control system for optimized combustion

Note: The VANOS system adjusts valve timing for improved performance and efficiency.

Performance Specifications

Technical details about the engine's performance capabilities.

Power Output

Maximum power: 362 hp (270 kW) at 6300 RPM
Maximum torque: 490 Nm (361 lb-ft) at 3400 RPM
Power-to-weight ratio: 6.1 kg/hp
Acceleration (0-100 km/h): 5.9 seconds
Top speed: 250 km/h (electronically limited)

Fuel Efficiency

Fuel consumption (urban): 14.5 L/100 km
Fuel consumption (extra-urban): 7.8 L/100 km
Combined fuel consumption: 10.3 L/100 km
CO2 emissions: 246 g/km
Fuel type: Premium unleaded (95 RON)

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

Cooling and Lubrication Systems

Details about the engine's cooling and lubrication systems.

Cooling System

Liquid-cooled with electric water pump
Coolant capacity: 12.5 liters
Thermostat opening temperature: 97°C
Radiator size: 600 mm x 400 mm
Auxiliary electric fan for additional cooling

Lubrication System

Wet sump oil system
Oil capacity: 8.5 liters (with filter)
Recommended oil grade: SAE 5W-30
Oil change interval: 15,000 km or 12 months
Oil pressure: 3.5 bar at 2000 RPM

Note: Use only BMW-approved synthetic oil for optimal performance.

Electrical and Ignition System

Technical details about the engine's electrical and ignition systems.

Ignition System

Coil-on-plug ignition system
Spark plug gap: 0.8 mm
Spark plug type: Bosch FR7KPP33
Ignition timing: 10° BTDC at idle
Battery voltage: 12V

Electrical System

Alternator output: 180A
Starter motor power: 1.4 kW
Fuse box location: Engine compartment
Wiring harness: Heat-resistant and shielded
ECU: Bosch ME9.2 engine control unit

Note: Ensure proper grounding of electrical components to avoid malfunctions.

Search Specifications

Search by specification name, value, or description

Engine Specifications

General information

Engine Code: N62B48

Displacement: 4.8 liters (4799 cc)

Configuration: V8

Cylinder Bore: 93.0 mm

Piston Stroke: 88.3 mm

Compression Ratio: 10.5:1

Fuel System: Direct fuel injection

Fuel Type: Premium unleaded (91 octane or higher)

Emission Standard: EU4

Performance

Max Power: 367 hp (270 kW) @ 6300 rpm

Max Torque: 490 Nm (361 lb-ft) @ 3400 rpm

Redline: 6500 rpm

Acceleration 0 To 60 Mph: 5.8 seconds

Top Speed: 155 mph (electronically limited)

Engine Components

Cylinder Head: Material: Aluminum alloy
Valvetrain: DOHC, 4 valves per cylinder
Valve Diameter intake: 36.0 mm
Valve Diameter Exhaust: 31.0 mm

Pistons: Material: Aluminum alloy
Piston Ring Gap: Top Ring: 0.20-0.35 mm, Second Ring: 0.40-0.55 mm, Oil Ring: 0.25-0.50 mm

Crankshaft: Material: Forged steel
Main Journal Diameter: 70.0 mm
Rod Journal Diameter: 53.0 mm

Lubrication System

Oil Capacity: 8.5 liters (with filter)

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

Oil Pressure: Idle: 1.0-1.5 bar
Operating: 3.0-4.5 bar

Oil Filter Part Number: 11427541709

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 Flow Rate: 120 liters/minute

Ignition System

Spark Plug Type: Bosch FR7KPP33

Spark Plug Gap: 0.8 mm

Ignition Coil Part Number: 12137546173

Ignition Timing: 10° BTDC at idle

Fuel System

Fuel Pump Pressure: 5.0 bar

injector Flow Rate: 220 cc/min

Fuel Filter Part Number: 13327541709

Fuel Tank Capacity: 88 liters

Exhaust System

Catalytic Converter Type: Two-stage, close-coupled

Exhaust Pipe Diameter: 70 mm

Oxygen Sensor Type: Planar wideband

Exhaust Backpressure Max: 0.3 bar

Maintenance Specifications

Valve Clearance: intake: 0.18-0.22 mm
Exhaust: 0.28-0.32 mm

Timing Chain Tension: Hydraulic self-adjusting

Belt Drive: Serpentine Belt Part Number: 11287628651
Belt Tensioner Part Number: 11287541709

Service intervals: Oil Change: 15,000 miles or 12 months
Spark Plugs: 60,000 miles
Air Filter: 30,000 miles
Fuel Filter: 60,000 miles

Diagnostic Specifications

Compression Test: Standard: 12.0-14.0 bar
Minimum: 10.0 bar
Variation Limit: 1.0 bar between cylinders

Leakdown Test: Acceptable Leakage: 10% or less
Cylinder Pressure: 6.0 bar

Diagnostic Connector: Type: OBD-II
Location: Under dashboard, driver's side

Service Information Service

Detailed service requirements and schedules for the 4.8L N62B48 engine

15,000

Engine oil and filter change
Inspect brake system
Check coolant level and condition
Inspect belts and hoses

Use only BMW-approved fluids and parts

30,000

Replace air filter
Inspect fuel system
Check ignition system
Inspect exhaust system

Perform visual inspection of engine components

60,000

Replace spark plugs
Replace fuel filter
Inspect valve clearance
Check timing chain tension

Valve clearance adjustment may be required

Common Questions

Find answers to common questions about torque specifications

What is the horsepower and torque output of the 4.8L engine in the 2001-2008 BMW 750i?

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 engine?

The 4.8L engine requires synthetic oil meeting BMW Longlife-01 specifications. The oil capacity is approximately 8.5 liters (9 quarts) with a filter change. Always use a BMW-approved oil filter.

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

The timing chain on the 4.8L engine is designed to last the lifetime of the vehicle 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 engine?

The 4.8L N62B48 engine has a compression ratio of 10.5:1, which contributes to its efficient combustion and performance characteristics.

What are common issues with the 4.8L engine?

Common issues include oil leaks from the valve cover gaskets, oil filter housing gasket, and oil pan gasket. Additionally, the Valvetronic system may experience wear over time, leading to rough idling or reduced performance. Regular maintenance and using genuine BMW parts can mitigate these issues.

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 covering the N62 engine family, including the 4.8L variant. Includes detailed specifications, maintenance procedures, and troubleshooting guides.

Valvetronic System Overview

Coming Soon

A detailed guide on the Valvetronic system used in the 4.8L engine, including operation, maintenance, 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 4.8L engine.

Oil and Filter Replacement Procedure

Coming Soon

Detailed instructions for performing an oil change on the 4.8L engine, including recommended oil types and capacities.

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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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