BMW 530i 2003-2010

BMW 530i 2003-2010 Fuel System Specifications

Detailed technical specifications and documentation for the fuel system of the 2003-2010 BMW 530I. Includes fuel type, pressure, injector, pump, and emission compliance data for the N52 engine.

Updated Oct 24, 2023

Overview Specifications

Comprehensive description of the fuel specifications for the 2003-2010 BMW 530I, including key features, measurements, and technical details. This section provides essential information on fuel requirements, system components, and performance specifications to ensure optimal vehicle operation.

How to Use

Use the search function to locate specific fuel specifications by entering keywords such as 'octane rating', 'fuel capacity', or 'injection system'.

Navigate through the fuel documentation sections using the table of contents or by scrolling through the document. Each major section is labeled with a clear title and includes subsections for detailed information.

Key Specifications

Fuel Type

Premium unleaded gasoline (91 AKI)

Fuel Tank Capacity

18.5 gallons (70 liters)

Injector Flow Rate

200 cc/min at 3 bar

Combined Fuel Economy

21 mpg (11.2 L/100 km)

CO2 Emissions

249 g/km

Available Specifications

Fuel Requirements

This section outlines the fuel type, octane rating, and additives recommended for the 2003-2010 BMW 530I to ensure optimal engine performance and longevity.

Fuel Type and Octane Rating

Premium unleaded gasoline with a minimum octane rating of 91 AKI (Anti-Knock Index)
Do not use gasoline with an octane rating below 89 AKI to prevent engine knocking
Ethanol blends up to 10% (E10) are acceptable
Avoid using diesel or alternative fuels not specified by BMW

Fuel Additives

Use BMW-approved fuel additives to maintain fuel system cleanliness
Avoid additives containing metal compounds or silicone
Additives should meet BMW specification LL-04
Regular use of additives is recommended for high-mileage vehicles

Note: Using non-approved additives may void the vehicle's warranty.

Fuel System Components

This section details the key components of the fuel system, including the fuel tank, fuel pump, injectors, and sensors, along with their specifications and functions.

Fuel Tank and Capacity

Fuel tank capacity: 18.5 gallons (70 liters)
Material: High-density polyethylene (HDPE) for durability and corrosion resistance
Includes an integrated fuel level sensor for accurate readings
Designed to minimize fuel sloshing and evaporation

Fuel Injectors

Direct fuel injection system with piezoelectric injectors
Injector flow rate: 200 cc/min at 3 bar pressure
Precision-engineered for optimal fuel atomization
Designed to operate at pressures up to 200 bar

Note: Regular inspection and cleaning of injectors are recommended to maintain performance.

Fuel System Performance

This section covers the performance metrics of the fuel system, including fuel consumption, emissions, and efficiency.

Fuel Consumption

City driving: 18 mpg (13.1 L/100 km)
Highway driving: 27 mpg (8.7 L/100 km)
Combined fuel economy: 21 mpg (11.2 L/100 km)
Fuel consumption may vary based on driving conditions and load

Emissions and Efficiency

Complies with Euro 4 emissions standards
CO2 emissions: 249 g/km
Equipped with an oxygen sensor and catalytic converter for reduced emissions
Designed for optimal air-fuel ratio to maximize efficiency

Note: Regular maintenance of the emissions system is required to ensure compliance with environmental regulations.

Search Specifications

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Component Specifications

Fuel Type

Recommended Fuel: Premium unleaded gasoline (91 AKI or higher)

Minimum Octane Rating: 87 AKI

Ethanol Content: Up to 10% ethanol (E10)

Notes: Using fuel with lower octane than recommended may reduce performance and fuel efficiency.

Fuel System

Fuel Delivery: Sequential multi-port fuel injection

Fuel Pump Pressure: 5.0 bar (72.5 psi)

Fuel Filter Part Number: 13 32 7 569 328

Fuel Tank Capacity: 70 liters (18.5 gallons)

Notes: Fuel system is designed for optimal performance with premium fuel.

Fuel injectors

Type: Bosch high-pressure injectors

Flow Rate: 200 cc/min at 3.0 bar

Part Number: 13 53 7 585 261

Operating Pressure: 3.0 to 5.0 bar

Notes: Injectors are designed for precise fuel delivery and efficient combustion.

Fuel Pump

Type: Electric in-tank fuel pump

Flow Rate: 120 liters/hour

Part Number: 16 14 7 181 440

Operating Voltage: 12V

Notes: Fuel pump includes an integrated fuel level sensor.

Emissions Compliance

Standards: EURO 4, ULEV II

Catalytic Converter Part Number: 18 30 7 552 123

Oxygen Sensor Part Number: 11 78 7 511 456

Notes: System includes dual oxygen sensors for precise emissions control.

Fuel Economy

City: 18 mpg

Highway: 27 mpg

Combined: 21 mpg

Notes: Fuel economy may vary based on driving conditions and fuel quality.

Fuel Additives

Recommended Additives

BMW Fuel System Cleaner
STP Fuel Injector Cleaner

Usage interval: Every 10,000 miles

Notes: Additives help maintain fuel system cleanliness and performance.

Fuel Tank Safety

Material: High-density polyethylene

Crash Safety Rating: FMVSS 301 compliant

Notes: Fuel tank is designed to prevent leaks in the event of a collision.

Diagnostic Specifications

Obd2 Compliance: Yes

Fuel System Monitor: Continuous

Fault Codes

P0171
P0174
P0190
P0191
P0192
P0193

Notes: Fuel system diagnostics are integrated into the vehicle's OBD2 system.

Maintenance Specifications

Fuel Filter Replacement interval: Every 30,000 miles

Fuel injector Cleaning Interval: Every 60,000 miles

Fuel Pump inspection Interval: Every 100,000 miles

Notes: Regular maintenance ensures optimal fuel system performance.

Service Information Service

Detailed service requirements and schedules for the fuel system

30,000

Replace fuel filter
Inspect fuel lines for leaks
Check fuel pump operation

Use only BMW-approved parts for replacements.

60,000

Clean fuel injectors
Inspect fuel tank for damage
Check fuel pressure

Perform fuel system diagnostics if any issues are detected.

100,000

Inspect and replace fuel pump if necessary
Replace oxygen sensors
Perform emissions system check

Ensure all components meet BMW specifications.

Frequently Asked Questions

Find answers to common questions about torque specifications

What type of fuel is recommended for the 2003-2010 BMW 530i?

The 2003-2010 BMW 530i requires premium unleaded gasoline with an octane rating of 91 or higher. Using lower octane fuel may result in reduced performance and engine knocking.

What is the fuel tank capacity of the 2003-2010 BMW 530i?

The fuel tank capacity for the 2003-2010 BMW 530i is 18.5 gallons (70 liters). This allows for a balance between range and vehicle weight.

Can I use ethanol-blended fuel in my BMW 530i?

The 2003-2010 BMW 530i is compatible with ethanol-blended fuels containing up to 10% ethanol (E10). Higher ethanol concentrations, such as E85, are not recommended and may cause damage to the fuel system.

What is the fuel economy of the 2003-2010 BMW 530i?

The 2003-2010 BMW 530i achieves an estimated fuel economy of 18 mpg in the city and 27 mpg on the highway, depending on driving conditions and maintenance.

How often should I replace the fuel filter on my BMW 530i?

The fuel filter on the 2003-2010 BMW 530i should be replaced every 30,000 to 50,000 miles, or as specified in the vehicle's maintenance schedule. A clogged fuel filter can lead to poor engine performance and fuel delivery issues.

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 Soon

A detailed guide on maintaining the fuel system, including fuel filter replacement and injector cleaning procedures.

BMW Fuel Specifications and Recommendations

Coming Soon

Official BMW documentation outlining fuel requirements, octane ratings, and ethanol compatibility for the 2003-2010 530i.

Fuel Economy Optimization Tips

Coming Soon

Tips and techniques to maximize fuel efficiency for the BMW 530i, including driving habits and maintenance practices.

BMW Fuel System Troubleshooting

Coming Soon

A troubleshooting guide for common fuel system issues, such as poor performance, starting problems, and fuel leaks.

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