BMW 750i 2008-2015 4.4L Engine Specifications
Detailed technical specifications and documentation for the 4.4L V8 engine in the 2008-2015 BMW 750i. Includes performance data, system diagrams, and maintenance guidelines.
Overview Specifications
Comprehensive description of the 4.4l-engine specifications for the 2008-2015 BMW 750i, including key features, measurements, and technical details
How to Use
Use the search function to locate specific 4.4l-engine specifications by entering keywords such as 'torque', 'horsepower', or 'compression ratio'.
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Key Specifications
Displacement
4.4 liters (4395 cc)
Max Power
400 hp (298 kW) at 5500-6400 rpm
Max Torque
450 lb-ft (610 Nm) at 1750-4500 rpm
Compression Ratio
10.0:1
Oil Capacity
8.5 liters (9.0 quarts)
Available Specifications
Engine Design and Architecture
Details about the design, architecture, and key components of the 4.4l-engine
Engine Design and Architecture
Details about the design, architecture, and key components of the 4.4l-engine
Engine Configuration
- V8 configuration with 90-degree bank angle
- Aluminum alloy block and cylinder heads
- Dual overhead camshafts (DOHC) with variable valve timing (VANOS)
- Direct fuel injection system
- Displacement: 4.4 liters (4395 cc)
Cooling and Lubrication
- Liquid-cooled system with electric water pump
- Oil capacity: 8.5 liters (9.0 quarts)
- Oil pressure: 3.5-4.5 bar at 2000 rpm
- Oil filter type: cartridge-style
- Coolant capacity: 12.5 liters (13.2 quarts)
Note: Use only BMW-approved engine oil and coolant for optimal performance.
Performance Specifications
Technical details about the engine's performance metrics
Performance Specifications
Technical details about the engine's performance metrics
Power and Torque
- Maximum power: 400 hp (298 kW) at 5500-6400 rpm
- Maximum torque: 450 lb-ft (610 Nm) at 1750-4500 rpm
- Compression ratio: 10.0:1
- Redline: 7000 rpm
- Fuel type: Premium unleaded (91 octane or higher)
Fuel Efficiency
- City fuel economy: 15 mpg (15.7 L/100 km)
- Highway fuel economy: 22 mpg (10.7 L/100 km)
- Combined fuel economy: 18 mpg (13.1 L/100 km)
- CO2 emissions: 292 g/km
- Fuel tank capacity: 21.7 gallons (82 liters)
Electrical and Ignition System
Details about the electrical components and ignition system
Electrical and Ignition System
Details about the electrical components and ignition system
Ignition System
- Coil-on-plug ignition system
- Spark plug gap: 0.8 mm (0.031 in)
- Spark plug torque: 23 Nm (17 lb-ft)
- Battery voltage: 12V
- Alternator output: 180A
Sensors and Control Units
- Mass airflow sensor (MAF)
- Crankshaft position sensor
- Camshaft position sensor
- Knock sensors (2)
- Engine control unit (ECU): Bosch MEVD17.2
Note: Ensure all sensors are properly calibrated for accurate engine performance.
Maintenance and Service Intervals
Recommended maintenance procedures and intervals for the 4.4l-engine
Maintenance and Service Intervals
Recommended maintenance procedures and intervals for the 4.4l-engine
Oil and Filter Change
- Oil change interval: 10,000 miles (16,000 km) or 12 months
- Oil type: SAE 5W-30 or 5W-40
- Oil filter replacement required with every oil change
- Oil drain plug torque: 25 Nm (18 lb-ft)
- Oil filter housing torque: 25 Nm (18 lb-ft)
Spark Plug Replacement
- Replacement interval: 60,000 miles (96,000 km)
- Spark plug type: Bosch ZGR6STE2
- Torque specification: 23 Nm (17 lb-ft)
- Inspect ignition coils during replacement
- Check for carbon buildup on spark plugs
Note: Replace all spark plugs simultaneously to ensure consistent performance.
Search Specifications
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Engine Specifications
General
- Engine Code
- N63B44
- Displacement
- 4.4 liters
- Configuration
- V8
- Aspiration
- Twin-turbocharged
- Fuel Type
- Premium unleaded gasoline
- Manufacturer
- BMW
- Production Years
- 2008-2015
- Vehicle Model
- 750i
Performance
- Horsepower
- 400 hp @ 5500-6400 rpm
- Torque
- 450 lb-ft @ 1750-4500 rpm
- Compression Ratio
- 10.0:1
- Redline
- 7000 rpm
- Top Speed
- 155 mph (electronically limited)
- Acceleration 0 To 60
- 4.8 seconds
Dimensions And Weight
- Engine Weight
- 220 kg (485 lbs)
- Length
- 720 mm (28.3 in)
- Width
- 680 mm (26.8 in)
- Height
- 620 mm (24.4 in)
- Oil Capacity
- 8.5 liters (9.0 quarts)
Fuel System
- Fuel injection
- Direct injection
- Fuel Pump Pressure
- 200 bar (2900 psi)
- Fuel Filter Part Number
- 13 32 7 566 327
- Fuel injector Part Number
- 13 53 7 566 328
- Fuel Tank Capacity
- 82 liters (21.6 gallons)
Cooling System
- Coolant Capacity
- 12.5 liters (13.2 quarts)
- Thermostat Opening Temperature
- 97°C (207°F)
- Radiator Part Number
- 17 11 7 566 329
- Water Pump Part Number
- 11 51 7 566 330
- Coolant Type
- BMW Antifreeze/Coolant (G48)
Lubrication System
- Oil Type
- BMW Longlife-01 5W-30
- Oil Filter Part Number
- 11 42 7 566 331
- Oil Pressure
- 3.0-4.5 bar (43.5-65.3 psi) at 2000 rpm
- Oil Change interval
- 15,000 miles or 12 months
- Oil Pump Part Number
- 11 41 7 566 332
Ignition System
- Spark Plug Part Number
- 12 12 0 037 644
- Spark Plug Gap
- 0.8 mm (0.031 in)
- Ignition Coil Part Number
- 12 13 7 566 333
- Ignition Timing
- 10° BTDC at idle
- Battery Voltage
- 12V
- Battery Capacity
- 90 Ah
Emissions
- Emission Standard
- EU5
- Catalytic Converter Part Number
- 18 30 7 566 334
- Oxygen Sensor Part Number
- 11 78 7 566 335
- Exhaust Gas Recirculation
- Yes
- Particulate Filter
- No
Maintenance
- Timing Chain Replacement Interval
- 100,000 miles
- Belt Drive Replacement interval
- 60,000 miles
- Air Filter Replacement interval
- 30,000 miles
- Spark Plug Replacement interval
- 60,000 miles
- Coolant Replacement interval
- 4 years or 60,000 miles
Diagnostics
- Onboard Diagnostic System
- OBD-II
- Diagnostic Connector Location
- Under dashboard, driver's side
- Common Fault Codes
-
- P0171 - System too lean (Bank 1)
- P0174 - System too lean (Bank 2)
- P0300 - Random/Multiple Cylinder Misfire Detected
- Diagnostic Tool
- BMW ISTA/D or compatible OBD-II scanner
Service Information Service
Detailed service requirements and schedules for the 4.4L N63 engine
- Oil and filter change
- Inspect brake system
- Check tire pressure and condition
- Inspect coolant level and condition
Use only BMW-approved fluids and parts
- Replace air filter
- Inspect fuel system
- Check battery condition
- Inspect exhaust system
Perform visual inspection of all belts and hoses
- Replace spark plugs
- Replace drive belts
- Inspect timing chain
- Replace coolant
Timing chain inspection is critical to prevent engine damage
- Replace timing chain
- Inspect turbochargers
- Replace oxygen sensors
- Inspect fuel injectors
Consider replacing water pump and thermostat as preventive maintenance
Common Questions
Find answers to common questions about torque specifications
Q1 What is the horsepower and torque output of the 4.4L V8 engine in the 2008-2015 BMW 750i?
What is the horsepower and torque output of the 4.4L V8 engine in the 2008-2015 BMW 750i?
The 4.4L V8 engine (N63B44) in the 2008-2015 BMW 750i produces 400 horsepower at 5,500-6,400 rpm and 450 lb-ft of torque at 1,750-4,500 rpm. This engine features twin-turbocharging and direct fuel injection for enhanced performance.
Q2 What type of oil is recommended for the 4.4L V8 engine, and what is the oil capacity?
What type of oil is recommended for the 4.4L V8 engine, and what is the oil capacity?
BMW recommends using synthetic oil with a viscosity of SAE 5W-30 or 5W-40 that meets BMW Longlife-01 or LL-04 specifications. The oil capacity is approximately 8.5 liters (9 quarts), including the oil filter. Always refer to the owner's manual for the exact specifications.
Q3 What is the recommended service interval for the 4.4L V8 engine?
What is the recommended service interval for the 4.4L V8 engine?
BMW recommends an oil change every 10,000 miles or 12 months, whichever comes first. Additional service intervals include inspecting the turbochargers, cooling system, and ignition system every 30,000 miles. Always follow the Condition Based Service (CBS) system in the vehicle for precise maintenance timing.
Q4 What are common issues with the 4.4L V8 engine in the BMW 750i?
What are common issues with the 4.4L V8 engine in the BMW 750i?
Common issues include turbocharger failure due to oil starvation, valve stem seal wear leading to excessive oil consumption, and high-pressure fuel pump failures. Regular maintenance and using genuine BMW parts can mitigate these problems.
Q5 What is the compression ratio of the 4.4L V8 engine?
What is the compression ratio of the 4.4L V8 engine?
The 4.4L V8 engine has a compression ratio of 10.0:1, which is optimized for performance and efficiency with its twin-turbocharging 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 N63 Engine Technical Overview
Coming SoonA detailed technical guide covering the design, specifications, and maintenance of the N63 4.4L V8 engine.
BMW 750i Owner's Manual
Coming SoonThe official owner's manual for the 2008-2015 BMW 750i, including maintenance schedules and technical specifications.
Turbocharger Maintenance Guide for N63 Engines
Coming SoonA step-by-step guide to maintaining and troubleshooting turbochargers in the N63 engine series.
BMW Genuine Parts Catalog
Coming SoonAccess the official BMW parts catalog to find genuine components for the 4.4L V8 engine.
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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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- If you're unsure about any procedure, consult a qualified professional mechanic.
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