BMW 740i 2008-2015 4.4L Engine Specifications
Detailed technical specifications and documentation for the 4.4L N63 twin-turbocharged V8 engine in the 2008-2015 BMW 740i. Covers engine performance, systems, and maintenance guidelines.
Overview Specifications
Comprehensive description of the 4.4l-engine specifications for the 2008-2015 BMW 740i, including key features, measurements, and technical details
How to Use
Use the search bar to find specific 4.4l-engine specifications by entering keywords such as 'torque', 'horsepower', or 'compression ratio'.
Navigate through the 4.4l-engine documentation sections using the table of contents or by scrolling through the document. Each section is clearly labeled for easy access.
Key Specifications
Displacement
4395 cc
Max Power
445 hp @ 5500-6000 rpm
Peak Torque
480 lb-ft @ 2000-4500 rpm
Compression Ratio
10.0:1
Fuel Economy
17 mpg city / 25 mpg highway
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 Type and Configuration
- 4.4-liter V8 engine with TwinPower Turbo technology
- Double-VANOS variable valve timing
- Direct fuel injection system
- Aluminum alloy engine block and cylinder heads
- 90-degree V-angle configuration
Key Design Features
- Twin-scroll turbochargers for reduced turbo lag
- Valvetronic variable valve lift system
- Integrated exhaust manifold for improved thermal efficiency
- Forged crankshaft for enhanced durability
- Lightweight construction for improved performance
Note: The TwinPower Turbo technology ensures optimal power delivery across the entire RPM range.
Performance Specifications
Detailed performance metrics and specifications for the 4.4l-engine
Performance Specifications
Detailed performance metrics and specifications for the 4.4l-engine
Power and Torque Output
- Maximum power output: 445 hp at 5500-6000 rpm
- Peak torque: 480 lb-ft at 2000-4500 rpm
- Compression ratio: 10.0:1
- Redline: 7000 rpm
- 0-60 mph acceleration: 4.8 seconds
Fuel Efficiency and Emissions
- Fuel economy: 17 mpg city / 25 mpg highway
- CO2 emissions: 278 g/km
- Euro 5 emissions standard compliance
- Start-stop technology for reduced fuel consumption
- Regenerative braking system
Note: The engine is designed to balance performance with environmental considerations.
Technical Measurements
Precise measurements and technical details of the 4.4l-engine
Technical Measurements
Precise measurements and technical details of the 4.4l-engine
Engine Dimensions
- Bore: 89.0 mm
- Stroke: 88.3 mm
- Displacement: 4395 cc
- Engine weight: 198 kg
- Oil capacity: 7.0 liters
Cooling and Lubrication
- Coolant capacity: 12.5 liters
- Oil pressure: 3.5 bar at 2000 rpm
- Thermostat opening temperature: 97°C
- Water pump flow rate: 120 liters per minute
- Oil viscosity recommendation: 5W-30
Note: Regular maintenance of the cooling and lubrication systems is critical for optimal engine performance.
Maintenance and Service
Guidelines for maintaining and servicing the 4.4l-engine
Maintenance and Service
Guidelines for maintaining and servicing the 4.4l-engine
Service Intervals
- Oil change interval: 10,000 miles or 12 months
- Spark plug replacement: 60,000 miles
- Air filter replacement: 30,000 miles
- Timing chain inspection: 100,000 miles
- Coolant flush: Every 4 years
Common Maintenance Tasks
- Check and replace engine oil and filter
- Inspect and clean air intake system
- Monitor turbocharger condition
- Inspect and replace drive belts as needed
- Perform regular software updates for engine control unit
Note: Adhering to the recommended service intervals ensures longevity and reliability of the engine.
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Engine Specifications
General information
- 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
- 740i
Performance Specifications
- Horsepower
- 400 hp @ 5500-6400 rpm
- Torque
- 450 lb-ft @ 1750-4500 rpm
- Compression Ratio
- 10.0:1
- Redline
- 7000 rpm
- Fuel System
- Direct injection
- Emission Standard
- EU5
Dimensions And Weight
- Engine Length
- 29.5 inches
- Engine Width
- 27.6 inches
- Engine Height
- 28.3 inches
- Dry Weight
- 485 lbs
- Oil Capacity
- 8.5 quarts
- Coolant Capacity
- 12.7 quarts
Cylinder Block
- Material
- Aluminum alloy
- Bore
- 89.0 mm
- Stroke
- 88.3 mm
- Cylinder Arrangement
- 90-degree V8
- Main Bearing Caps
- 6-bolt
- Part Number
- 11018645678
Cylinder Head
- Material
- Aluminum alloy
- Valvetrain
- DOHC, 4 valves per cylinder
- Camshaft Type
- Hydraulic
- Valve Diameter intake
- 35.0 mm
- Valve Diameter Exhaust
- 30.0 mm
- Part Number
- 11018645679
Turbocharger System
- Type
- Twin-scroll turbochargers
- Boost Pressure
- 12.0 psi
- intercooler Type
- Air-to-air
- Turbocharger Part Number
- 11657839456
- Wastegate Control
- Electronic
Lubrication System
- Oil Type
- SAE 5W-30 or 5W-40
- Oil Pressure
- 43-58 psi @ 2000 rpm
- Oil Filter Part Number
- 11427566321
- Oil Change interval
- 10,000 miles or 12 months
- Oil Pump Type
- Gerotor
Cooling System
- Thermostat Opening Temperature
- 97°C
- Radiator Capacity
- 2.5 gallons
- Coolant Type
- BMW Antifreeze/Coolant
- Water Pump Type
- Electric
- Coolant Change interval
- 60,000 miles or 5 years
- Part Number
- 17117541764
Ignition System
- Spark Plug Type
- Bosch ZR5TPP33
- Spark Plug Gap
- 0.028 inches
- Ignition Coil Part Number
- 12137548091
- Ignition Timing
- 10° BTDC @ idle
- Spark Plug Change interval
- 60,000 miles
Fuel System
- Fuel Pump Type
- Electric in-tank
- Fuel Pressure
- 72.5 psi
- injector Type
- High-pressure direct injection
- injector Part Number
- 13537586972
- Fuel Filter Part Number
- 13327586973
- Fuel Filter Change interval
- 30,000 miles
Maintenance Specifications
- Valve Clearance
- Hydraulic, self-adjusting
- Timing Chain Type
- Double-row
- Timing Chain Service Interval
- Lifetime (inspect at 100,000 miles)
- Belt Drive Type
- Serpentine belt
- Belt Change interval
- 60,000 miles
- Belt Part Number
- 11287586974
Diagnostic Specifications
- Obd Ii Compliance
- Yes
- Fault Code Reading
- BMW ISTA/D or compatible scanner
- Common Fault Codes
-
- P0171 - System too lean
- P0300 - Random/multiple cylinder misfire
- P0015 - Camshaft position timing over-retarded
- Diagnostic Connector Location
- Under dashboard, driver's side
Service Information Service
Detailed service requirements and schedules for the 4.4L N63 engine
- Oil and filter change
- Inspect engine air filter
- Check coolant level and condition
- Inspect belts and hoses
Use only BMW-approved fluids and parts
- Replace fuel filter
- Inspect spark plugs
- Check turbocharger system for leaks
- Inspect timing chain tension
Perform diagnostic scan for fault codes
- Replace spark plugs
- Replace serpentine belt
- Replace coolant
- Inspect ignition coils
Check for oil leaks and turbocharger condition
- Inspect timing chain and guides
- Replace engine mounts if necessary
- Inspect turbocharger system
- Replace water pump if necessary
Comprehensive engine inspection recommended
Common Questions
Find answers to common questions about torque specifications
Q1 What is the horsepower and torque output of the 4.4L N63 engine in the 2008-2015 BMW 740i?
What is the horsepower and torque output of the 4.4L N63 engine in the 2008-2015 BMW 740i?
The 4.4L N63 engine in the 2008-2015 BMW 740i produces 400 horsepower at 5,500-6,400 rpm and 450 lb-ft of torque at 1,750-4,500 rpm. This twin-turbocharged V8 engine is designed for high performance and efficiency.
Q2 What type of oil is recommended for the 4.4L N63 engine?
What type of oil is recommended for the 4.4L N63 engine?
BMW recommends using synthetic engine oil with a viscosity of SAE 5W-30 or SAE 0W-30 that meets BMW Longlife-01 or Longlife-01 FE specifications. The oil capacity is approximately 8.5 liters (9 quarts) including the oil filter.
Q3 What is the recommended service interval for the 4.4L N63 engine?
What is the recommended service interval for the 4.4L N63 engine?
BMW recommends an oil change every 10,000 miles or 12 months, whichever comes first. Additionally, spark plugs should be replaced every 60,000 miles, and the engine air filter should be inspected and replaced as needed, typically every 30,000 miles.
Q4 What are common issues with the 4.4L N63 engine?
What are common issues with the 4.4L N63 engine?
Common issues include turbocharger failure, valve stem seal wear leading to excessive oil consumption, and high-pressure fuel pump failure. Regular maintenance and using genuine BMW parts can mitigate these problems.
Q5 What is the compression ratio of the 4.4L N63 engine?
What is the compression ratio of the 4.4L N63 engine?
The 4.4L N63 engine has a compression ratio of 10.0:1, which is optimized for its twin-turbocharged design to balance performance and fuel efficiency.
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 SoonDetailed technical overview of the N63 engine, including specifications, design features, and performance data.
BMW 740i Service Manual (2008-2015)
Coming SoonOfficial service manual for the 2008-2015 BMW 740i, covering maintenance procedures, troubleshooting, and repair instructions.
N63 Engine Oil and Fluid Specifications
Coming SoonComprehensive guide to recommended oils, fluids, and capacities for the N63 engine to ensure optimal performance and longevity.
Turbocharger Maintenance for N63 Engines
Coming SoonStep-by-step guide to maintaining and troubleshooting turbochargers in the N63 engine, including common issues and solutions.
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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.
- Always follow the manufacturer's recommended procedures and safety precautions.
- Working on vehicles can be dangerous. Always take proper safety precautions and use appropriate safety equipment.
- If you're unsure about any procedure, consult a qualified professional mechanic.
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