BMW 640i 2011-2018 3.0L Engine Specifications
Detailed technical specifications and service information for the 3.0L N55 turbocharged inline-6 engine in the 2011-2018 BMW 640i. Includes performance data, maintenance procedures, and system-specific details.
Overview Specifications
Comprehensive description of the 3.0l-engine specifications for the 2011-2018 BMW 640I, including key features, measurements, and technical details
How to Use
Use the search function to locate specific 3.0l-engine specifications by entering keywords such as 'torque', 'horsepower', or 'compression ratio'.
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Key Specifications
Engine Type
Inline 6-cylinder
Displacement
3.0 liters (2979 cc)
Horsepower
315 hp @ 5800-6000 rpm
Torque
330 lb-ft @ 1300-4500 rpm
Compression Ratio
10.2:1
Available Specifications
Engine Performance
Detailed information on the performance characteristics of the 3.0l-engine
Engine Performance
Detailed information on the performance characteristics of the 3.0l-engine
Power Output
- Maximum horsepower: 315 hp @ 5800-6000 rpm
- Peak torque: 330 lb-ft @ 1300-4500 rpm
- Compression ratio: 10.2:1
- Redline: 7000 rpm
Fuel Efficiency
- City fuel economy: 20 mpg
- Highway fuel economy: 30 mpg
- Combined fuel economy: 24 mpg
- Fuel type: Premium unleaded (91 octane or higher)
Note: Fuel efficiency may vary based on driving conditions and vehicle load.
Engine Design
Technical details about the design and construction of the 3.0l-engine
Engine Design
Technical details about the design and construction of the 3.0l-engine
Engine Block and Cylinders
- Engine type: Inline 6-cylinder
- Displacement: 3.0 liters (2979 cc)
- Bore x Stroke: 84.0 mm x 89.6 mm
- Aluminum block construction
Valvetrain and Timing
- DOHC (Double Overhead Camshaft) design
- Valves per cylinder: 4
- Variable valve timing (VANOS)
- Timing chain-driven camshafts
Note: VANOS system optimizes valve timing for improved performance and efficiency.
Cooling and Lubrication
Details on the cooling and lubrication systems of the 3.0l-engine
Cooling and Lubrication
Details on the cooling and lubrication systems of the 3.0l-engine
Cooling System
- Liquid-cooled with electric water pump
- Radiator capacity: 10.5 liters
- Thermostat-controlled cooling
- Coolant type: BMW-approved ethylene glycol-based coolant
Lubrication System
- Wet sump oil system
- Oil capacity: 6.5 liters (with filter)
- Recommended oil grade: SAE 5W-30 or 5W-40
- Oil change interval: 10,000 miles or 12 months
Note: Use only BMW-approved engine oils to ensure optimal performance.
Emissions and Exhaust
Information on the emissions control and exhaust system of the 3.0l-engine
Emissions and Exhaust
Information on the emissions control and exhaust system of the 3.0l-engine
Emissions Control
- EURO 5 compliant emissions standard
- Dual catalytic converters
- Exhaust gas recirculation (EGR)
- Oxygen sensors: 4 (2 upstream, 2 downstream)
Exhaust System
- Dual exhaust with chrome tips
- Exhaust diameter: 70 mm
- Stainless steel construction
- Active sound tuning for enhanced driving experience
Note: Active sound tuning adjusts exhaust note based on driving mode.
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Engine Specifications
General information
- Engine Code
- N55B30
- Displacement
- 3.0 liters
- Configuration
- Inline 6-cylinder
- Aspiration
- TwinPower Turbo
- Fuel Type
- Premium unleaded gasoline (91 AKI minimum)
- Manufacturer
- BMW AG
- Production Years
- 2011-2018
- Application
- BMW 640i (F06, F12, F13)
Performance Specifications
- Max Power
- 315 hp @ 5800-6000 rpm
- Max Torque
- 330 lb-ft @ 1200-5000 rpm
- Compression Ratio
- 10.2:1
- Redline
- 7000 rpm
- Fuel System
- Direct injection with High Precision Injection (HPI)
- Emission Standard
- EU5, ULEV2
Dimensions And Weight
- Engine Length
- 22.8 inches
- Engine Width
- 28.3 inches
- Engine Height
- 22.4 inches
- Dry Weight
- 403 lbs
- Oil Capacity
- 6.5 quarts (with filter)
Cooling System
- Coolant Capacity
- 12.7 quarts
- Thermostat Opening Temperature
- 97°C (206.6°F)
- Radiator Core Dimensions
- 24.8 x 18.5 x 1.2 inches
- Coolant Type
- BMW Antifreeze/Coolant (G48)
- Coolant Mix Ratio
- 50:50 (coolant:water)
Lubrication System
- Oil Type
- BMW Longlife-01 FE 5W-30 or equivalent
- Oil Pressure
- 43.5-58 psi at 2000 rpm
- Oil Filter Part Number
- 11 42 7 566 327
- Oil Change interval
- 10,000 miles or 12 months
- Oil Pump Type
- Variable displacement vane pump
Ignition System
- Spark Plug Type
- Bosch ZR5TPP330
- Spark Plug Gap
- 0.028-0.032 inches
- Ignition Coil Part Number
- 12 13 7 566 327
- Ignition Timing
- Fully electronic, variable
- Spark Plug Torque
- 18 lb-ft
Fuel System
- Fuel Pump Pressure
- 72.5 psi
- injector Flow Rate
- 200 cc/min at 3 bar
- Fuel Rail Pressure
- 2000-2900 psi
- Fuel Filter Part Number
- 13 32 7 566 327
- Fuel Tank Capacity
- 18.5 gallons
Turbocharger System
- Turbo Type
- Twin-scroll single turbo
- Boost Pressure
- 8.7 psi (0.6 bar)
- Wastegate Control
- Electronic
- intercooler Type
- Air-to-air
- Turbocharger Part Number
- 11 62 7 566 327
Valvetrain Specifications
- Valve Configuration
- DOHC, 4 valves per cylinder
- Valve Material
- Hollow-stem intake valves, sodium-filled exhaust valves
- Valve Clearance
- Hydraulic, self-adjusting
- Camshaft Material
- Forged steel
- Valve Spring Type
- Dual coil, progressive rate
Maintenance Specifications
- Timing Chain Service Interval
- Lifetime (inspect every 60,000 miles)
- Belt Drive Service interval
- 60,000 miles or 6 years
- Spark Plug Replacement interval
- 60,000 miles
- Air Filter Replacement interval
- 30,000 miles
- Fuel Filter Replacement interval
- 60,000 miles
Diagnostic Specifications
- Compression Pressure
- 142-171 psi (10-12 bar)
- Compression Variation Limit
- 14 psi (1 bar) between cylinders
- Idle Speed
- 600-700 rpm
- Idle Air Control Range
- 4-12 kg/h
- Oxygen Sensor Response Time
- < 100 ms
Service Information Service
Detailed service requirements and schedules for the 3.0L N55 engine
- Engine oil and filter change
- Inspect cooling system for leaks
- Check and top off all fluid levels
- Inspect drive belts for wear
Use only BMW-approved fluids and parts
- Replace engine air filter
- Inspect spark plugs
- Check turbocharger system for leaks
- Inspect fuel system components
Perform additional checks if vehicle is driven in severe conditions
- Replace spark plugs
- Replace fuel filter
- Inspect timing chain and guides
- Replace drive belts
Timing chain inspection is critical for long-term engine health
Common Questions
Find answers to common questions about torque specifications
Q1 What is the horsepower and torque output of the 3.0L N55 engine in the 2011-2018 BMW 640i?
What is the horsepower and torque output of the 3.0L N55 engine in the 2011-2018 BMW 640i?
The 3.0L N55 turbocharged inline-6 engine in the 2011-2018 BMW 640i produces 315 horsepower at 5,800-6,000 RPM and 330 lb-ft of torque at 1,300-4,500 RPM. This engine features BMW's TwinPower Turbo technology, Valvetronic, and direct fuel injection.
Q2 What is the recommended oil type and capacity for the 3.0L N55 engine?
What is the recommended oil type and capacity for the 3.0L N55 engine?
The 3.0L N55 engine requires synthetic oil meeting BMW Longlife-01 or LL-01 FE specifications. The oil capacity is approximately 6.5 liters (6.9 quarts). Always refer to the owner's manual or service documentation for the exact oil grade and capacity for your specific model year.
Q3 What is the service interval for the spark plugs in the 3.0L N55 engine?
What is the service interval for the spark plugs in the 3.0L N55 engine?
BMW recommends replacing the spark plugs in the 3.0L N55 engine every 60,000 miles or 96,000 kilometers. Use only BMW-approved spark plugs, such as Bosch or NGK, to ensure proper engine performance and fuel efficiency.
Q4 What is the compression ratio of the 3.0L N55 engine?
What is the compression ratio of the 3.0L N55 engine?
The 3.0L N55 engine has a compression ratio of 10.2:1. This high compression ratio, combined with turbocharging, contributes to the engine's efficiency and power output.
Q5 What type of fuel is recommended for the 3.0L N55 engine?
What type of fuel is recommended for the 3.0L N55 engine?
BMW recommends using premium unleaded gasoline with an octane rating of 91 or higher for optimal performance and fuel efficiency in the 3.0L N55 engine. Using lower-octane fuel may result in reduced performance and potential engine knocking.
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 N55 Engine Technical Overview
Coming SoonA detailed technical guide covering the design, specifications, and maintenance of the N55 engine used in the 2011-2018 BMW 640i.
BMW 640i Owner's Manual
Coming SoonThe official owner's manual for the 2011-2018 BMW 640i, including maintenance schedules, fluid specifications, and safety information.
BMW N55 Engine Maintenance Guide
Coming SoonA comprehensive guide to maintaining the N55 engine, including oil change procedures, spark plug replacement, and common troubleshooting tips.
BMW Genuine Parts Catalog
Coming SoonAccess the official BMW parts catalog to find genuine replacement parts for the 3.0L N55 engine and other components.
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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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