BMW 335i 2005-2011 3.0L Engine Specifications
Detailed technical specifications for the 3.0L N54 and N55 turbocharged inline-6 engines in the 2005-2011 BMW 335I. Includes performance metrics, maintenance details, and component-specific data.
Overview Specifications
Comprehensive description of the 3.0l-engine specifications for the 2005-2011 BMW 335I, 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
Horsepower
300 hp @ 5800 rpm
Torque
300 lb-ft @ 1400-5000 rpm
Displacement
3.0 liters (2979 cc)
Compression Ratio
10.2:1
Oil Capacity
6.5 liters (with filter)
Available Specifications
Engine Design and Configuration
Details about the engine's design, configuration, and core components
Engine Design and Configuration
Details about the engine's design, configuration, and core components
Engine Type and Layout
- Inline 6-cylinder engine (N54 engine code)
- Twin-turbocharged with direct fuel injection
- Aluminum block and cylinder head construction
- DOHC (Dual Overhead Camshaft) design
- Valvetronic variable valve lift system
Displacement and Compression
- Displacement: 3.0 liters (2979 cc)
- Bore: 84.0 mm
- Stroke: 89.6 mm
- Compression ratio: 10.2:1
- Turbo boost pressure: 8.8 psi (0.6 bar)
Note: The twin-turbo system reduces turbo lag and improves throttle response.
Performance Specifications
Technical details about the engine's performance capabilities
Performance Specifications
Technical details about the engine's performance capabilities
Power and Torque
- Horsepower: 300 hp @ 5800 rpm
- Torque: 300 lb-ft @ 1400-5000 rpm
- Redline: 7000 rpm
- 0-60 mph acceleration: 5.3 seconds
- Top speed: 155 mph (electronically limited)
Fuel Efficiency
- Fuel type: Premium unleaded (91 octane or higher)
- City fuel economy: 17 mpg
- Highway fuel economy: 26 mpg
- Combined fuel economy: 20 mpg
- Fuel tank capacity: 16.1 gallons
Note: Fuel efficiency may vary based on driving conditions and maintenance.
Cooling and Lubrication Systems
Details about the engine's cooling and lubrication systems
Cooling and Lubrication Systems
Details about the engine's cooling and lubrication systems
Cooling System
- Liquid-cooled with an electric water pump
- Radiator capacity: 12.7 liters
- Thermostat opening temperature: 97°C (206.6°F)
- Coolant type: BMW-approved antifreeze and water mixture (50:50)
- Coolant capacity: 10.5 liters
Lubrication System
- Wet sump oil system
- Oil capacity: 6.5 liters (with filter)
- Oil type: BMW LL-01 approved synthetic oil (5W-30 or 5W-40)
- Oil change interval: 15,000 miles or 12 months
- Oil filter type: Cartridge-style
Note: Regular oil changes are critical for maintaining turbocharger longevity.
Emissions and Exhaust System
Technical details about the engine's emissions and exhaust system
Emissions and Exhaust System
Technical details about the engine's emissions and exhaust system
Emissions Control
- EURO 4 emissions compliance
- Dual catalytic converters
- Oxygen sensors: 4 (2 pre-cat, 2 post-cat)
- Exhaust gas recirculation (EGR) system
- Onboard diagnostics (OBD-II) compliant
Exhaust System
- Dual exhaust system with chrome tips
- Exhaust pipe diameter: 70 mm
- Muffler design: Twin-chamber for reduced noise
- Exhaust backpressure: 0.3 bar at full load
- Exhaust gas temperature: Up to 950°C (1742°F)
Note: High exhaust gas temperatures are typical for turbocharged engines.
Search Specifications
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Engine Specifications
General information
- Engine Code
- N54
- Displacement
- 3.0 liters
- Configuration
- Inline 6-cylinder
- Aspiration
- Twin-turbocharged
- Fuel System
- Direct injection
- Manufacturer
- BMW
- Production Years
- 2005-2011
- Part Number
- 11000402125
Performance Specifications
- Horsepower
- 300 hp @ 5800 rpm
- Torque
- 300 lb-ft @ 1400-5000 rpm
- Compression Ratio
- 10.2:1
- Redline
- 7000 rpm
- Fuel Type
- Premium unleaded (91 octane or higher)
Dimensions And Weight
- Engine Length
- 24.8 inches
- Engine Width
- 28.3 inches
- Engine Height
- 27.6 inches
- Dry Weight
- 403 lbs
- Oil Capacity
- 6.5 quarts
Cylinder Head Specifications
- Cylinder Head Material
- Aluminum
- Valvetrain
- DOHC, 24-valve
- Valve Diameter intake
- 1.18 inches
- Valve Diameter Exhaust
- 1.06 inches
- Valve Spring Pressure
- 80-90 lbs
- Camshaft Material
- Steel
Turbocharger Specifications
- Turbo Type
- Twin-scroll turbochargers
- Boost Pressure
- 8.8 psi
- Turbo Part Number
- 11657833977
- intercooler Type
- Air-to-air
- intercooler Part Number
- 17117557219
Fuel System Specifications
- Fuel Pump Type
- High-pressure direct injection
- Fuel Pump Pressure
- 2175 psi
- injector Type
- Piezo-electric
- injector Part Number
- 13537585279
- Fuel Rail Material
- Aluminum
Ignition System Specifications
- Ignition Type
- Coil-on-plug
- Spark Plug Type
- NGK ILZKBR7B8DG
- Spark Plug Gap
- 0.032 inches
- Ignition Coil Part Number
- 12137585273
- Ignition Timing
- 10-15 degrees BTDC
Lubrication System Specifications
- Oil Type
- Synthetic 5W-30
- Oil Pump Type
- Gear-type
- Oil Pump Flow Rate
- 6.5 gallons per minute
- Oil Filter Part Number
- 11427566327
- Oil Pressure
- 43-58 psi at 2000 rpm
Cooling System Specifications
- Coolant Type
- BMW Antifreeze/Coolant
- Coolant Capacity
- 12.7 quarts
- Thermostat Opening Temperature
- 97°C
- Water Pump Type
- Electric
- Water Pump Part Number
- 11517586979
- Radiator Material
- Aluminum
Maintenance Specifications
- Oil Change interval
- 7500-10000 miles or 12 months
- Spark Plug Replacement interval
- 60000 miles
- Timing Chain Replacement Interval
- Lifetime (inspect at 100000 miles)
- Fuel Filter Replacement interval
- 30000 miles
- Air Filter Replacement interval
- 15000 miles
- Coolant Flush interval
- 60000 miles or 4 years
Diagnostic Specifications
- Obd2 Protocol
- ISO 15765-4 (CAN)
- Fault Code Reading
- BMW-specific codes via ISTA/D
- Common Fault Codes
-
- 2A87 - Vanos exhaust
- 2A82 - Vanos intake
- 29F4 - Fuel pump plausibility
- 30FF - Turbocharger boost pressure
- Diagnostic Tool
- BMW ISTA/D or compatible OBD2 scanner
Service Information Service
Detailed service requirements and schedules for the 3.0L N54 engine
- Oil and oil filter change
- Inspect coolant level
- Check for leaks
- Inspect belts and hoses
Use only BMW-approved synthetic oil and filters
- Replace air filter
- Inspect spark plugs
- Check fuel system for leaks
- Inspect turbocharger system
Replace air filter more frequently in dusty conditions
- Replace fuel filter
- Inspect ignition coils
- Check battery condition
- Inspect cooling system hoses
Fuel filter replacement is critical for maintaining fuel system performance
- Replace spark plugs
- Flush and replace coolant
- Inspect timing chain
- Check turbocharger system for wear
Timing chain inspection is recommended to prevent potential failure
Common Questions
Find answers to common questions about torque specifications
Q1 What is the horsepower and torque output of the 3.0L N54 engine in the 2005-2011 BMW 335i?
What is the horsepower and torque output of the 3.0L N54 engine in the 2005-2011 BMW 335i?
The 3.0L N54 twin-turbocharged inline-6 engine produces 300 horsepower at 5,800 RPM and 300 lb-ft of torque from 1,400 to 5,000 RPM. This engine is known for its high-performance capabilities and responsiveness.
Q2 What type of fuel injection system does the 3.0L N54 engine use?
What type of fuel injection system does the 3.0L N54 engine use?
The N54 engine utilizes a direct fuel injection system, specifically High Precision Injection (HPI), which delivers fuel directly into the combustion chamber at pressures up to 200 bar (2,900 psi). This system improves fuel efficiency and reduces emissions.
Q3 What is the recommended oil type and capacity for the 3.0L N54 engine?
What is the recommended oil type and capacity for the 3.0L N54 engine?
BMW recommends using synthetic oil meeting BMW Longlife-01 or LL-04 specifications. The oil capacity is approximately 6.5 liters (6.9 quarts) with a filter change. Always refer to the owner's manual for the exact specifications.
Q4 How often should the turbochargers on the 3.0L N54 engine be inspected?
How often should the turbochargers on the 3.0L N54 engine be inspected?
Turbochargers should be inspected every 30,000 miles or as part of routine maintenance. Common signs of turbo issues include reduced power, excessive smoke from the exhaust, or unusual noises. Regular oil changes are critical to turbo longevity.
Q5 What is the compression ratio of the 3.0L N54 engine?
What is the compression ratio of the 3.0L N54 engine?
The N54 engine has a compression ratio of 10.2:1, which is optimized for its twin-turbocharged design to balance performance and efficiency.
Q6 What are common issues with the 3.0L N54 engine?
What are common issues with the 3.0L N54 engine?
Common issues include high-pressure fuel pump (HPFP) failures, carbon buildup on intake valves, turbocharger wastegate rattle, and injector failures. Regular maintenance and using genuine BMW parts can mitigate these problems.
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 N54 Engine Technical Overview
Coming SoonA detailed technical guide covering the design, specifications, and maintenance of the N54 engine.
Turbocharger Maintenance for N54 Engines
Coming SoonStep-by-step instructions for inspecting and maintaining turbochargers on the N54 engine.
High-Pressure Fuel Pump (HPFP) Replacement Guide
Coming SoonA comprehensive guide to diagnosing and replacing the HPFP on the N54 engine.
Carbon Buildup Cleaning Procedure
Coming SoonInstructions for cleaning carbon deposits from the intake valves of the N54 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.
- Always follow the manufacturer's recommended procedures and safety precautions.
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- If you're unsure about any procedure, consult a qualified professional mechanic.
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