BMW Z8 2000-2003

BMW Z8 2000-2003 Fuel System Specifications

Explore the comprehensive fuel system specifications for the 2000-2003 BMW Z8, including detailed information on fuel type, tank capacity, pump, injectors, and system compliance.

Updated Oct 14, 2023

Overview Specifications

Comprehensive description of the fuel specifications for the 2000-2003 BMW Z8, including key features, measurements, and technical details. This section provides detailed information on fuel requirements, system components, and maintenance guidelines to ensure optimal performance and compliance with manufacturer standards.

How to Use

Use the search function to locate specific fuel specifications by entering keywords such as 'fuel type', 'octane rating', or 'fuel system pressure'. Utilize filters to narrow down results by year or component.

Navigate through the fuel documentation sections using the table of contents. Each major section is divided into subsections with detailed technical information. Click on a section title to expand and view its contents.

Key Specifications

Fuel Type

Premium unleaded (91 AKI min)

Fuel Pump Pressure

3.5 bar (50.8 psi)

Fuel Injector Flow Rate

280 cc/min at 3.0 bar

Fuel Filter Replacement

Every 30,000 miles

Ethanol Content Limit

10% (E10)

Available Specifications

Fuel Requirements

This section outlines the fuel type, octane rating, and additives recommended for the 2000-2003 BMW Z8 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 content should not exceed 10% (E10)
Avoid using gasoline with methanol or metallic additives

Fuel Additives

Use only BMW-approved fuel additives to maintain fuel system cleanliness
Additives should not contain metallic compounds or silicone
Follow manufacturer guidelines for additive dosage and frequency
Regular use of additives can prevent injector clogging and carbon buildup

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

Fuel System Components

This section provides detailed information on the fuel system components, including the fuel pump, injectors, and pressure regulator, along with their specifications and maintenance requirements.

Fuel Pump Specifications

Electric in-tank fuel pump with a flow rate of 120 liters per hour (L/h)
Operating pressure: 3.5 bar (50.8 psi)
Voltage requirement: 12V DC
Fuel pump relay located in the electronic control unit (ECU)

Fuel Injectors

Bosch-designed multi-hole fuel injectors
Flow rate: 280 cc/min at 3.0 bar (43.5 psi)
Injector resistance: 12-16 ohms
Sealed design to prevent fuel leakage

Note: Inspect injectors for clogging or wear during routine maintenance.

Fuel System Pressure

This section covers the fuel system pressure specifications, including idle and full-load conditions, as well as diagnostic procedures for pressure-related issues.

Idle Pressure

Idle fuel pressure: 3.0 bar (43.5 psi)
Pressure maintained by the fuel pressure regulator
Pressure drop during idle should not exceed 0.2 bar (2.9 psi)
Use a calibrated pressure gauge for accurate measurements

Full-Load Pressure

Full-load fuel pressure: 3.5 bar (50.8 psi)
Pressure increases under high engine load conditions
Ensure fuel pump and regulator are functioning correctly
Monitor pressure during diagnostic testing

Note: Low fuel pressure can cause engine misfires and reduced performance.

Fuel Filter and Maintenance

This section provides details on the fuel filter specifications, replacement intervals, and maintenance procedures to ensure proper fuel flow and system integrity.

Fuel Filter Specifications

In-line fuel filter with a micron rating of 10 microns
Filter housing made of corrosion-resistant materials
Replacement interval: Every 30,000 miles or 48,000 km
Filter location: Under the vehicle, near the fuel tank

Maintenance Procedures

Inspect fuel lines for leaks or damage during filter replacement
Use OEM or equivalent replacement filters
Bleed the fuel system after filter replacement to remove air
Dispose of old filters in accordance with environmental regulations

Note: Neglecting fuel filter replacement can lead to fuel system contamination and engine damage.

Search Specifications

Search by specification name, value, or description

Component Specifications

Fuel Type

Recommended Fuel: Premium unleaded gasoline

Octane Rating: 91 AKI (Anti-Knock Index) or higher

Ethanol Content: Up to 10% ethanol (E10)

Notes: Using lower octane fuel may result in reduced performance and engine knocking

Fuel Tank

Capacity: 18.5 gallons (70 liters)

Material: High-density polyethylene

Part Number: 16117183001

Pressure Rating: 3.5 psi (24 kPa)

Notes: Includes integrated fuel pump and level sensor

Fuel Pump

Type: Electric in-tank fuel pump

Flow Rate: 120 liters per hour (31.7 gallons per hour)

Pressure: 58 psi (400 kPa)

Part Number: 16146758765

Voltage: 12V DC

Notes: Includes fuel filter and pressure regulator

Fuel Filter

Type: In-line fuel filter

Part Number: 13327541772

Replacement interval: Every 30,000 miles (48,000 km)

Micron Rating: 10 microns

Notes: Located under the vehicle near the fuel tank

Fuel injectors

Type: Electronically controlled multi-port fuel injectors

Flow Rate: 210 cc/min at 3 bar (43.5 psi)

Part Number: 13641738751

Resistance: 12-16 ohms

Notes: Directly inject fuel into the intake manifold

Fuel Pressure Regulator

Type: Mechanical diaphragm-type regulator

Pressure Setting: 3.5 bar (50.8 psi)

Part Number: 13537541772

Location: Integrated into the fuel pump assembly

Notes: Maintains consistent fuel pressure to the injectors

Fuel System Diagnostics

Diagnostic Tool: BMW DIS or equivalent

Error Codes

P0171 - System too lean
P0172 - System too rich
P0181 - Fuel temperature sensor circuit range/performance
P0191 - Fuel rail pressure sensor circuit range/performance

Notes: Use BMW-specific diagnostic software for accurate troubleshooting

Fuel System Maintenance

inspection Interval: Every 15,000 miles (24,000 km)

Tasks

Check fuel lines for leaks or damage
Inspect fuel tank for corrosion or damage
Verify fuel pump operation and pressure
Replace fuel filter as needed

Notes: Use only BMW-approved parts for replacements

Fuel System Safety

Fire Hazard: Highly flammable, handle with care

Pressure Warning: Depressurize fuel system before servicing

Ventilation: Ensure proper ventilation when working with fuel

Notes: Avoid smoking or open flames near the fuel system

Fuel System Tolerances

Fuel Pressure Tolerance: +/- 0.2 bar (2.9 psi)

injector Flow Tolerance: +/- 2%

Fuel Tank Capacity Tolerance: +/- 0.5 liters

Notes: Tolerances must be maintained for optimal performance

Service Information Service

Detailed service requirements and schedules for the fuel system

15,000 miles

12 months

Inspect fuel lines and connections
Check fuel pump operation
Verify fuel pressure

Perform visual inspection for leaks or damage

30,000 miles

24 months

Replace fuel filter
Inspect fuel injectors
Check fuel tank for corrosion

Use only BMW-approved replacement parts

60,000 miles

48 months

Replace fuel pump if necessary
Perform full fuel system diagnostic
Inspect and clean fuel injectors

Follow BMW diagnostic procedures for accurate results

Frequently Asked Questions

Find answers to common questions about torque specifications

What type of fuel is recommended for the 2000-2003 BMW Z8?

The 2000-2003 BMW Z8 requires premium unleaded gasoline with an octane rating of 91 or higher. Using lower octane fuel may result in reduced performance and potential engine knocking.

What is the fuel tank capacity of the BMW Z8?

The BMW Z8 has a fuel tank capacity of 21.1 gallons (80 liters). This allows for extended driving ranges, especially when combined with the vehicle's efficient fuel consumption.

What is the fuel consumption rate of the BMW Z8?

The BMW Z8 has an average fuel consumption of approximately 13 mpg in the city and 21 mpg on the highway. These figures can vary based on driving conditions and style.

Can I use ethanol-blended fuel in the BMW Z8?

The BMW Z8 is compatible with ethanol-blended fuels containing up to 10% ethanol (E10). Using fuels with higher ethanol content may damage the fuel system and void the warranty.

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 content, do not start the engine. Contact a BMW-certified technician immediately to drain and flush the fuel system to prevent 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 Z8 Owner's Manual

Coming Soon

The official owner's manual provides detailed information on fuel specifications, maintenance schedules, and safety precautions specific to the BMW Z8.

BMW Fuel System Maintenance Guide

Coming Soon

A comprehensive guide on maintaining the fuel system, including tips on fuel additives, filter replacement, and troubleshooting common issues.

BMW Genuine Parts Catalog

Coming Soon

Access the official catalog for genuine BMW fuel system components, ensuring compatibility and optimal performance for your Z8.

BMW Service Bulletins

Coming Soon

Stay updated with the latest service bulletins and recalls related to the fuel system and other components of the BMW Z8.

About the Author

Expert automotive knowledge and experience

ASE

Alan Montanye

Automotive Technical Specialist

ASE Master Certified Technician with over a decade of hands-on experience in automotive repair and diagnostics.

Facebook Contact

15+ Years

Experience

500+ Guides

Guides

50+ Makes

Vehicles

1000+ Solutions

Solutions

Diagnostic

Specialized in advanced diagnostic techniques using modern scan tools and oscilloscopes.

Repair

Expert in both traditional mechanical repairs and modern vehicle systems.

Additional Expertise

Documentation

Created over 500 detailed repair guides and technical documents.

Training

Conducted technical training sessions and contributed to repair databases.

Certifications & Research

Certifications

ASE Master Technician Certification
Advanced Diagnostic Specialist
Hybrid/Electric Vehicle Systems
Performance Tuning Expert

Research & Community

Actively researches emerging technologies and contributes to automotive forums.

Legal Disclaimer

Important information about using this content

Always refer to your vehicle's service manual and take appropriate safety precautions when performing any maintenance or repairs.

General Information

The information provided on this website is for general informational purposes only. While we strive to maintain accuracy in our content, all specifications, procedures, and technical information should be verified against your vehicle's official service manual or with the manufacturer directly.

Warranty & Liability

The content on this website is provided "as is" without any representations or warranties, express or implied. We make no representations or warranties regarding the accuracy, completeness, or availability of the information.

We shall not be liable for any direct, indirect, special, or consequential damages arising from the use of information on this website.

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.

Intellectual Property

All content, including text, images, and specifications, is protected by copyright and other intellectual property laws. Any unauthorized use or reproduction is prohibited.