BMW 750i 2015-present 4.4L Engine Specifications
Detailed technical specifications and service documentation for the 4.4L V8 TwinPower Turbo engine in the 2015-Present BMW 750i. Includes performance data, component details, and maintenance procedures.
Overview Specifications
Comprehensive description of the 4.4l-engine specifications for the 2015-Present BMW 750i, including key features, measurements, and technical details
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Use the search function to locate specific 4.4l-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
4.4 liters (4395 cc)
Horsepower
445 hp (332 kW)
Torque
480 lb-ft (650 Nm)
Compression Ratio
10.5:1
Fuel Type
Premium unleaded (91 RON or higher)
Available Specifications
Engine Design and Architecture
Detailed description of the 4.4l-engine's design, architecture, and key components
Engine Design and Architecture
Detailed description of the 4.4l-engine's design, architecture, and key components
Engine Configuration
- V8 configuration with 90-degree bank angle
- Dual overhead camshafts (DOHC) per cylinder bank
- Aluminum alloy engine block and cylinder heads
- Direct fuel injection system with high-pressure injectors
- Twin-scroll turbochargers for improved efficiency
Combustion System
- Compression ratio of 10.5:1
- BMW TwinPower Turbo technology for enhanced performance
- Valvetronic fully variable valve timing
- Double-VANOS variable camshaft timing
- Combined fuel consumption of 10.5 L/100 km (combined cycle)
Note: The TwinPower Turbo system ensures optimal power delivery across the 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
- Maximum power output of 445 hp (332 kW) at 5500-6000 RPM
- Peak torque of 480 lb-ft (650 Nm) at 1800-4500 RPM
- 0-60 mph acceleration in 4.5 seconds
- Top speed electronically limited to 155 mph (250 km/h)
Fuel Efficiency
- City fuel economy: 13.8 L/100 km
- Highway fuel economy: 8.7 L/100 km
- CO2 emissions: 238 g/km
- Euro 6 compliant emissions standard
Note: Fuel efficiency figures are based on the EU test cycle.
Cooling and Lubrication Systems
Details on the cooling and lubrication systems for the 4.4l-engine
Cooling and Lubrication Systems
Details on the cooling and lubrication systems for the 4.4l-engine
Cooling System
- Liquid-cooled system with electric water pump
- Dual-circuit cooling for engine and turbochargers
- Thermostatically controlled cooling for optimal temperature management
- Coolant capacity: 12.5 liters
Lubrication System
- Wet sump lubrication system
- Oil capacity: 8.5 liters (including filter)
- Synthetic oil recommended (SAE 5W-30 or 5W-40)
- Oil change interval: 15,000 km or 12 months
Note: Regular oil changes are critical for maintaining engine performance and longevity.
Electrical and Ignition Systems
Technical details of the electrical and ignition systems for the 4.4l-engine
Electrical and Ignition Systems
Technical details of the electrical and ignition systems for the 4.4l-engine
Ignition System
- Coil-on-plug ignition system
- Spark plug gap: 0.8 mm
- Iridium-tipped spark plugs for durability
- Ignition timing controlled by the ECU
Electrical System
- 12-volt electrical system with 90 Ah battery
- Alternator output: 180 A
- Start-stop technology for improved fuel efficiency
- Integrated power management system
Note: The start-stop system reduces fuel consumption during idle periods.
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Engine Specifications
General information
- Engine Code
- N63B44
- Engine Type
- V8 TwinPower Turbo
- Displacement
- 4.4 liters
- Configuration
- 90-degree V8
- Cylinder Bore
- 89.0 mm
- Piston Stroke
- 88.3 mm
- Compression Ratio
- 10.0:1
- Fuel System
- Direct Injection
- Fuel Type
- Premium Unleaded (91+ octane)
Performance Specifications
- Max Power
- 445 hp @ 5500-6000 rpm
- Max Torque
- 480 lb-ft @ 1800-4500 rpm
- Redline
- 7000 rpm
- Acceleration 0-60
- 4.3 seconds
- Top Speed
- 155 mph (electronically limited)
Turbocharger Specifications
- Type
- Twin-scroll turbochargers
- Boost Pressure
- 18.1 psi
- intercooler Type
- Air-to-water
- Turbo Lag
- Minimal due to twin-scroll design
Cooling System
- Coolant Capacity
- 12.5 liters
- Coolant Type
- BMW Antifreeze/Coolant (G48)
- Thermostat Opening Temperature
- 97°C
- Radiator Capacity
- 2.5 liters
- Cooling Fan Type
- Electric
Lubrication System
- Oil Capacity
- 8.5 liters
- Oil Type
- BMW Longlife-01 FE 0W-30
- Oil Change interval
- 10,000 miles or 12 months
- Oil Filter Part Number
- 11 42 7 566 327
- Oil Pump Type
- Variable displacement
Ignition System
- Spark Plug Type
- Bosch ZR5TPP33
- Spark Plug Gap
- 0.7 mm
- Ignition Coil Part Number
- 12 13 7 566 328
- Ignition Timing
- Fully electronic with knock control
Emissions System
- Emission Standard
- EU6 / LEV3
- Catalytic Converter Type
- Dual-stage
- Oxygen Sensor Type
- Wideband
- EGR System
- Integrated with turbocharger
- Particulate Filter
- Optional
Fuel System Specifications
- Fuel Pump Type
- High-pressure direct injection
- Fuel Pump Pressure
- 200 bar
- injector Part Number
- 13 53 7 566 329
- Fuel Filter Part Number
- 13 32 7 566 330
- Fuel Tank Capacity
- 21.1 gallons
Engine Management System
- ECU Type
- Bosch MEVD17.2
- Software Version
- V2.3.1
- Diagnostic interface
- OBD-II
- Sensor Types
-
- Crankshaft position sensor
- Camshaft position sensor
- Knock sensor
- Mass airflow sensor
Maintenance Specifications
- Valve Clearance
- Hydraulic, self-adjusting
- Timing Chain Type
- Dual-row, maintenance-free
- Belt Drive System
- Serpentine belt with automatic tensioner
- Service interval
- 10,000 miles or 12 months
- Spark Plug Replacement interval
- 60,000 miles
- Coolant Replacement interval
- 4 years or 50,000 miles
Diagnostic Specifications
- Common Fault Codes
-
- P0171 - System too lean
- P0300 - Random/Multiple Cylinder Misfire Detected
- P0420 - Catalyst System Efficiency Below Threshold
- Diagnostic Tools
-
- BMW ISTA+
- OBD-II scanner with BMW-specific software
- Sensor Tolerances
- Oxygen Sensor Voltage: 0.1 - 0.9 VMass Airflow Sensor Range: 0 - 5 VCrankshaft Sensor Resistance: 500 - 1500 ohms
Service Information Service
Detailed service requirements and schedules for the 4.4L N63B44 engine
- Oil and filter change
- Inspect cooling system
- Check engine air filter
- Inspect drive belts
Use only BMW-approved fluids and parts
- Replace spark plugs
- Inspect fuel system
- Check turbocharger system
- Inspect exhaust system
Perform diagnostic scan for fault codes
- Replace coolant
- Inspect timing chain
- Replace serpentine belt
- Check engine mounts
Inspect for oil leaks and turbocharger condition
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 2015-Present BMW 750i?
What is the horsepower and torque output of the 4.4L V8 engine in the 2015-Present BMW 750i?
The 4.4L V8 engine in the 2015-Present BMW 750i produces 445 horsepower at 5,500-6,000 RPM and 480 lb-ft of torque at 1,800-4,500 RPM. This engine features BMW's TwinPower Turbo technology, which includes twin-scroll turbochargers, Valvetronic variable valve timing, and Double-VANOS camshaft adjustment.
Q2 What type of fuel is recommended for the 4.4L V8 engine in the BMW 750i?
What type of fuel is recommended for the 4.4L V8 engine in the BMW 750i?
BMW recommends using premium unleaded gasoline with an octane rating of 91 or higher for optimal performance and efficiency in the 4.4L V8 engine. Using lower-octane fuel may result in reduced performance and potential engine knocking.
Q3 What is the oil capacity and recommended oil type for the 4.4L V8 engine?
What is the oil capacity and recommended oil type for the 4.4L V8 engine?
The 4.4L V8 engine requires approximately 8.5 liters (9 quarts) of engine oil. BMW recommends using synthetic engine oil meeting BMW Longlife-01 or Longlife-01 FE specifications, such as SAE 5W-30 or 5W-40. Always refer to the owner's manual for the exact oil grade and capacity.
Q4 What is the service interval for the 4.4L V8 engine in the BMW 750i?
What is the service interval for the 4.4L V8 engine in the BMW 750i?
The service interval for the 4.4L V8 engine is typically every 10,000 miles or 12 months, whichever comes first. This includes oil changes, filter replacements, and inspections of critical components such as the cooling system, belts, and hoses. BMW's Condition Based Service (CBS) system monitors vehicle conditions and provides specific maintenance alerts.
Q5 Does the 4.4L V8 engine require any special maintenance for the turbochargers?
Does the 4.4L V8 engine require any special maintenance for the turbochargers?
Yes, the twin-scroll turbochargers in the 4.4L V8 engine require regular inspection and maintenance. Ensure proper oil changes with the recommended synthetic oil to prevent turbocharger wear. Additionally, allow the engine to idle for a short period after high-load driving to cool the turbochargers before shutting off the engine.
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 750i Owner's Manual
Coming SoonThe official owner's manual for the 2015-Present BMW 750i, containing detailed information on engine specifications, maintenance schedules, and operating instructions.
BMW TwinPower Turbo Technology Guide
Coming SoonA technical guide explaining the TwinPower Turbo technology used in the 4.4L V8 engine, including twin-scroll turbochargers, Valvetronic, and Double-VANOS systems.
BMW Genuine Parts Catalog
Coming SoonAccess the official BMW parts catalog to find genuine replacement parts for the 4.4L V8 engine, ensuring compatibility and optimal performance.
BMW Service and Maintenance Guide
Coming SoonA comprehensive guide to servicing and maintaining the 4.4L V8 engine, including recommended procedures, tools, and safety precautions.
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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.
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- If you're unsure about any procedure, consult a qualified professional mechanic.
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