BMW 650i 2003-2010

BMW 650i 2003-2010 Fuel System Specifications

Detailed technical specifications and documentation for the fuel system of the 2003-2010 BMW 650I, including fuel type, pressure, injector specs, and system components for accurate maintenance and repair.

Updated Oct 24, 2023

Overview Specifications

Comprehensive description of the fuel specifications for the 2003-2010 BMW 650I, 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 major title and subsections for detailed information.

Key Specifications

Fuel Type

Premium unleaded gasoline (91 AKI or higher)

Fuel Tank Capacity

70 liters (18.5 gallons)

Fuel Pump Pressure

5.0 bar (72.5 psi)

CO2 Emissions

249 g/km

Fuel Filter Replacement

Every 60,000 km (37,282 miles)

Available Specifications

Fuel Type and Quality

Details about the recommended fuel type, quality standards, and octane rating for optimal performance

Recommended Fuel Type

Premium unleaded gasoline with an octane rating of 91 AKI (Anti-Knock Index) or higher
Minimum octane rating of 89 AKI is acceptable but may reduce performance
Do not use gasoline with methanol content exceeding 10%
Avoid using diesel or E85 ethanol blends

Fuel Additives

Use only BMW-approved fuel additives
Avoid additives containing metal compounds or silicone
Additives should not exceed 0.15% by volume
Regular use of detergents is recommended to maintain fuel system cleanliness

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

Fuel System Specifications

Technical details about the fuel system, including capacity, pressure, and component specifications

Fuel Tank Capacity

Total fuel tank capacity: 70 liters (18.5 gallons)
Reserve fuel capacity: 10 liters (2.6 gallons)
Fuel tank material: High-density polyethylene
Fuel tank design: Dual-chamber for improved 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 filter replacement interval: Every 60,000 km (37,282 miles)
Fuel pressure regulator: Integrated into the fuel pump module

Emission Standards and Compliance

Information about the vehicle's compliance with emission standards and fuel-related environmental requirements

Emission Standards

Complies with Euro 4 emission standards
CO2 emissions: 249 g/km
NOx emissions: 0.08 g/km
Particulate matter emissions: 0.005 g/km

Onboard Diagnostics (OBD)

OBD-II compliant for emission monitoring
Real-time monitoring of fuel system performance
Diagnostic trouble codes (DTCs) for fuel system issues
OBD port location: Under the dashboard on the driver's side

Note: Regular OBD system checks are recommended to ensure compliance with emission standards.

Search Specifications

Search by specification name, value, or description

Component Specifications

Fuel Type

Recommended Fuel: Premium unleaded gasoline (91 AKI or 95 RON minimum)

Alternative Fuel: Regular unleaded gasoline (87 AKI or 91 RON) with reduced performance

Ethanol Content: Up to 10% ethanol (E10)

Octane Rating: 91 AKI (95 RON) minimum for optimal performance

Notes: Using lower octane fuel may cause engine knocking and reduced efficiency

Fuel System

Fuel Delivery: Direct injection

Fuel Pump Pressure: 5.0 bar (72.5 psi)

Fuel Filter Part Number: 13 32 7 585 273

Fuel Tank Capacity: 70 liters (18.5 gallons)

Fuel Tank Material: High-density polyethylene (HDPE)

Notes: Fuel system designed for high-pressure operation to optimize combustion

Fuel injectors

injector Type: Solenoid-operated direct injectors

injector Flow Rate: 200 cc/min at 3.0 bar

injector Part Number: 13 53 7 585 394

injector Pressure: 200 bar (2900 psi)

Notes: Injectors are precision-calibrated for optimal fuel atomization

Fuel Pump

Pump Type: Electric in-tank fuel pump

Pump Flow Rate: 150 liters/hour (39.6 gallons/hour)

Pump Pressure: 5.0 bar (72.5 psi)

Pump Part Number: 16 14 7 181 394

Notes: Fuel pump includes an integrated pressure regulator

Fuel Tank

Capacity: 70 liters (18.5 gallons)

Material: High-density polyethylene (HDPE)

Vent System: Closed-loop evaporative emission control system

Tank Shape: Asymmetrical design for optimal space utilization

Notes: Tank includes a rollover valve for safety

Fuel Filter

Filter Type: In-line cartridge filter

Filter Micron Rating: 10 microns

Filter Part Number: 13 32 7 585 273

Replacement interval: Every 30,000 miles or 24 months

Notes: Filter includes a water separator to prevent contamination

Fuel Pressure Regulator

Type: Mechanical diaphragm regulator

Operating Pressure: 5.0 bar (72.5 psi)

Part Number: 13 53 7 585 394

Location: Integrated into the fuel pump module

Notes: Regulator maintains consistent fuel pressure under all operating conditions

Fuel Rail

Material: Aluminum alloy

Pressure Rating: 200 bar (2900 psi)

Part Number: 13 53 7 585 395

Notes: Fuel rail includes integrated pressure sensor for monitoring

Fuel System Diagnostics

Diagnostic Tool: BMW ISTA/D or compatible OBD-II scanner

Common Codes

P0171
P0172
P0190
P0191
P0192

Diagnostic Procedure: Check fuel pressure, injector operation, and fuel pump performance

Notes: Diagnostic system includes real-time monitoring of fuel trim and pressure

Fuel System Maintenance

injector Cleaning Interval: Every 60,000 miles or as needed

Fuel Filter Replacement interval: Every 30,000 miles or 24 months

Fuel Tank Cleaning Interval: Every 100,000 miles or as needed

Notes: Use only BMW-approved fuel system cleaners and additives

Service Information Service

Detailed service requirements and schedules for the fuel system

30,000 miles

24 months

Replace fuel filter
Inspect fuel lines and connections
Check fuel pump operation

Use only OEM parts for replacements

60,000 miles

48 months

Clean fuel injectors
Inspect fuel tank and vent system
Check fuel pressure regulator

Perform injector cleaning using BMW-approved cleaner

100,000 miles

84 months

Inspect and clean fuel tank
Replace fuel pump if necessary
Check fuel rail and pressure sensor

Fuel tank cleaning should be performed by a certified technician

Frequently Asked Questions

Find answers to common questions about torque specifications

What type of fuel is recommended for the 2003-2010 BMW 650i?

The 2003-2010 BMW 650i 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 BMW 650i?

The fuel tank capacity of the 2003-2010 BMW 650i is 21.7 gallons (82 liters). This allows for extended driving ranges between refueling.

Can I use ethanol-blended fuel in my BMW 650i?

Yes, the BMW 650i can safely use ethanol-blended fuels containing up to 10% ethanol (E10). However, fuels with higher ethanol concentrations (e.g., E15 or E85) are not recommended as they can damage the fuel system and engine components.

What is the fuel consumption of the BMW 650i?

The 2003-2010 BMW 650i has an average fuel consumption of approximately 15 mpg in the city and 23 mpg on the highway. Actual mileage may vary based on driving conditions and habits.

How often should I replace the fuel filter on my BMW 650i?

The fuel filter on the BMW 650i should be replaced every 30,000 to 60,000 miles, depending on driving conditions and fuel quality. Regular replacement ensures optimal fuel flow and engine performance.

What should I do if I accidentally use the wrong type of fuel?

If you accidentally use fuel with an octane rating below 91 or a high ethanol concentration, avoid driving the vehicle and contact a BMW-certified technician immediately. Draining the fuel tank may be necessary to prevent engine damage.

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 of your BMW 650i, including fuel filter replacement and fuel injector cleaning.

Understanding Octane Ratings

Coming Soon

Learn about octane ratings and why premium fuel is recommended for high-performance vehicles like the BMW 650i.

Ethanol-Blended Fuels and Your BMW

Coming Soon

An explanation of how ethanol-blended fuels affect your BMW 650i and tips for safe usage.

BMW 650i Owner's Manual

Coming Soon

The official owner's manual for the 2003-2010 BMW 650i, containing detailed fuel specifications and maintenance schedules.

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