BMW 340i 2005-2011 Fuel System Specifications
Detailed technical specifications and maintenance guidelines for the 2005-2011 BMW 340I fuel system. Learn about fuel pressure, injector flow rates, and troubleshooting for the N54 engine's direct injection system.
Overview Specifications
Comprehensive description of the fuel specifications for the 2005-2011 BMW 340I, including key features, measurements, and technical details
How to Use
Use the search function to locate specific fuel specifications by entering keywords such as 'octane rating', 'fuel capacity', or 'emission standards'.
Navigate through the fuel documentation sections using the table of contents or by scrolling through the document. Each section is labeled with a clear title for easy reference.
Key Specifications
Fuel Type
Premium unleaded gasoline (91+ octane)
Fuel Tank Capacity
60 liters (15.85 gallons)
Fuel Pump Pressure
5.0 bar (72.5 psi)
Combined Fuel Consumption
9.5 liters/100 km (24.8 mpg)
CO2 Emissions
225 g/km
Available Specifications
Fuel Type and Quality
Details on the recommended fuel type, quality standards, and octane ratings for optimal performance.
Fuel Type and Quality
Details on the recommended fuel type, quality standards, and octane ratings for optimal performance.
Recommended Fuel Type
- Use premium unleaded gasoline with an octane rating of 91 or higher.
- Minimum octane rating of 89 is acceptable but may reduce performance.
- Avoid using gasoline with ethanol content exceeding 10% (E10).
- Do not use diesel or alternative fuels as they are incompatible.
Fuel Quality Standards
- Complies with EN 228 European fuel standards.
- Fuel must be free of contaminants such as water or particulate matter.
- Use only fuel from reputable sources to ensure quality.
- Adhere to BMW's recommendations for fuel additives.
Note: Using substandard fuel may void the vehicle's warranty.
Fuel System Specifications
Technical details about the fuel system, including capacity, pressure, and component specifications.
Fuel System Specifications
Technical details about the fuel system, including capacity, pressure, and component specifications.
Fuel Tank Capacity
- Total fuel tank capacity: 60 liters (15.85 gallons).
- Reserve fuel capacity: 8 liters (2.11 gallons).
- Fuel tank material: High-density polyethylene (HDPE).
- Fuel tank design: Optimized for weight distribution and crash safety.
Fuel Pump and Pressure
- Electric fuel pump pressure: 5.0 bar (72.5 psi).
- Fuel pump flow rate: 120 liters per hour (31.7 gallons per hour).
- Fuel pressure regulator: Integrated into the fuel pump module.
- Fuel filter: Replace every 30,000 miles or as specified in the maintenance schedule.
Emission and Environmental Compliance
Information on emission standards, environmental compliance, and fuel efficiency.
Emission and Environmental Compliance
Information on emission standards, environmental compliance, and fuel efficiency.
Emission Standards
- Complies with Euro 4 emission standards.
- Equipped with a catalytic converter and oxygen sensors.
- Onboard diagnostics (OBD-II) system monitors emissions in real-time.
- Particulate filter not required for gasoline engines.
Fuel Efficiency
- Combined fuel consumption: 9.5 liters per 100 km (24.8 mpg).
- Highway fuel consumption: 7.2 liters per 100 km (32.7 mpg).
- City fuel consumption: 12.1 liters per 100 km (19.4 mpg).
- CO2 emissions: 225 g/km.
Note: Fuel efficiency may vary based on driving conditions and maintenance.
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Component Specifications
Fuel Type
- Recommended Fuel
- Premium Unleaded Gasoline (91 AKI or higher)
- Minimum Octane Rating
- 89 AKI
- Ethanol Content
- Up to 10% ethanol (E10)
- Alternative Fuels
- Not compatible with E85 or diesel
Fuel System
- Fuel Delivery
- Direct Injection
- Fuel Pump Pressure
- 50-70 psi
- Fuel Filter Part Number
- 13-32-7-581-789
- Fuel injector Part Number
- 13-62-7-581-234
- Fuel Tank Capacity
- 16.1 gallons
Fuel Quality
- Sulfur Content
- Maximum 10 ppm
- Additives
- BMW-approved fuel additives recommended
- Contaminants
- Avoid fuels with high levels of water or particulate matter
Fuel Economy
- City Mpg
- 18 mpg
- Highway Mpg
- 28 mpg
- Combined Mpg
- 22 mpg
- Co2 Emissions
- 328 g/mile
Fuel Pump Specifications
- Part Number
- 16-14-7-581-456
- Flow Rate
- 120 liters/hour
- Operating Voltage
- 12V
- Current Draw
- 5-7 amps
- Pressure Tolerance
- +/- 5 psi
Fuel injector Specifications
- Part Number
- 13-62-7-581-234
- Flow Rate
- 200 cc/min at 3 bar
- Spray Pattern
- Multi-hole
- Resistance
- 12-16 ohms
- Operating Temperature
- -40°C to 120°C
Fuel Tank Specifications
- Material
- High-density polyethylene
- Capacity
- 16.1 gallons
- Vent System
- Closed-loop evaporative system
- Pressure Rating
- 1.5 bar
- Safety Features
- Rollover valve and impact-resistant design
Fuel System Maintenance
- Fuel Filter Replacement interval
- Every 30,000 miles
- Fuel injector Cleaning Interval
- Every 60,000 miles
- Fuel Tank inspection Interval
- Every 100,000 miles
- Fuel Pump inspection Interval
- Every 100,000 miles
- Notes
- Use only BMW-approved cleaning agents and parts
Fuel System Diagnostics
- Common Fault Codes
-
- P0171
- P0174
- P0087
- P0191
- Diagnostic Tools
- BMW ISTA/D or equivalent
- Pressure Test Requirements
- 50-70 psi at idle
- Leak Test Requirements
- No visible leaks or pressure drop
- Notes
- Check for clogged filters, faulty pumps, or injector issues
Fuel System Safety
- Fire Hazards
- Avoid open flames or sparks near fuel system
- Pressure Release
- Depressurize system before servicing
- Spill Containment
- Use approved containers for fuel disposal
- Personal Protective Equipment
- Wear gloves and safety glasses
- Notes
- Follow BMW service manual procedures for safety
Service Information Service
Detailed service requirements and schedules for the fuel system
- Replace fuel filter
- Inspect fuel lines for leaks
- Check fuel pump pressure
Use only BMW-approved parts and fluids
- Clean fuel injectors
- Inspect fuel tank for damage
- Check fuel system for contamination
Perform diagnostic scan for fault codes
- Replace fuel pump if necessary
- Inspect fuel tank vent system
- Perform full fuel system diagnostic
Follow BMW-recommended procedures for replacement
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What type of fuel is recommended for the 2005-2011 BMW 340I?
What type of fuel is recommended for the 2005-2011 BMW 340I?
The 2005-2011 BMW 340I requires premium unleaded gasoline with an octane rating of 91 or higher. Using lower octane fuel may result in reduced performance and engine knocking.
Q2 What is the fuel tank capacity of the 2005-2011 BMW 340I?
What is the fuel tank capacity of the 2005-2011 BMW 340I?
The fuel tank capacity of the 2005-2011 BMW 340I is approximately 16.1 gallons (61 liters).
Q3 Can I use ethanol-blended fuel in the 2005-2011 BMW 340I?
Can I use ethanol-blended fuel in the 2005-2011 BMW 340I?
Yes, the 2005-2011 BMW 340I can use ethanol-blended fuels with up to 10% ethanol (E10). However, fuels with higher ethanol content (e.g., E15 or E85) are not recommended as they may cause damage to the fuel system and engine components.
Q4 What is the fuel economy of the 2005-2011 BMW 340I?
What is the fuel economy of the 2005-2011 BMW 340I?
The 2005-2011 BMW 340I has an estimated fuel economy of 18 mpg in the city and 27 mpg on the highway, depending on driving conditions and maintenance.
Q5 How often should I replace the fuel filter on the 2005-2011 BMW 340I?
How often should I replace the fuel filter on the 2005-2011 BMW 340I?
The fuel filter on the 2005-2011 BMW 340I should be replaced every 30,000 to 50,000 miles, or as specified in the vehicle's maintenance schedule. Regular replacement ensures optimal fuel flow and engine performance.
Q6 What are the symptoms of a failing fuel pump in the 2005-2011 BMW 340I?
What are the symptoms of a failing fuel pump in the 2005-2011 BMW 340I?
Symptoms of a failing fuel pump include difficulty starting the engine, sputtering at high speeds, loss of power under load, and an illuminated check engine light. If you experience these issues, have the fuel pump inspected and replaced if necessary.
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 Fuel System Maintenance Guide
Coming SoonA detailed guide on maintaining the fuel system of the 2005-2011 BMW 340I, including fuel filter replacement and fuel pump inspection.
Understanding Octane Ratings
Coming SoonLearn about octane ratings and why premium fuel is recommended for high-performance vehicles like the BMW 340I.
Ethanol-Blended Fuels and Your BMW
Coming SoonInformation on the effects of ethanol-blended fuels on BMW vehicles and how to choose the right fuel for your 340I.
Fuel Economy Optimization Tips
Coming SoonTips and tricks to improve the fuel economy of your 2005-2011 BMW 340I, including driving habits and maintenance practices.
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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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