BMW M8 2019-present

BMW M8 2019-present Fuel System Specifications

Detailed technical guide for the 2019-Present BMW M8 fuel system, including fuel specifications, component details, and maintenance guidelines. Optimized for BMW M8 owners, technicians, and enthusiasts.

Updated Oct 24, 2023

Overview Specifications

Comprehensive description of the fuel specifications for the 2019-Present BMW M8, including key features, measurements, and technical details. This section provides detailed 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 major sections and subsections.

Key Specifications

Fuel Tank Capacity

68 liters (18 gallons)

Octane Rating

91 AKI (min), 93 AKI (recommended)

Injection Pressure

Up to 350 bar (5076 psi)

CO2 Emissions

239 g/km

Fuel Consumption (Combined)

10.5 L/100 km (22.4 mpg)

Available Specifications

Fuel Requirements

This section outlines the fuel type, octane rating, and additives recommended for the BMW M8 to ensure optimal performance and engine longevity.

Fuel Type and Octane Rating

Minimum octane rating: 91 AKI (Anti-Knock Index)
Recommended octane rating: 93 AKI for peak performance
Fuel type: Premium unleaded gasoline only
Ethanol content: Up to 10% (E10) allowed

Fuel Additives

BMW-approved fuel additives recommended for cleaning injectors
Avoid additives containing methanol or metallic compounds
Use additives sparingly to avoid over-concentration
Follow manufacturer guidelines for additive usage

Note: Using non-recommended additives may void the warranty.

Fuel System Components

Detailed information on the fuel system components, including the fuel tank, fuel pump, and injection system, with technical specifications and maintenance guidelines.

Fuel Tank

Capacity: 68 liters (18 gallons)
Material: High-density polyethylene (HDPE)
Includes integrated fuel level sensor
Designed for high-pressure operation

Fuel Injection System

Direct injection system with piezo injectors
Injection pressure: Up to 350 bar (5076 psi)
Precision-controlled fuel delivery for optimal combustion
Self-diagnostic system for fault detection

Note: Regular maintenance of injectors is required to prevent clogging.

Fuel Efficiency and Emissions

This section covers fuel efficiency metrics, emissions standards, and environmental compliance for the BMW M8.

Fuel Efficiency

Combined fuel consumption: 10.5 L/100 km (22.4 mpg)
Highway fuel consumption: 8.9 L/100 km (26.4 mpg)
City fuel consumption: 12.8 L/100 km (18.4 mpg)
Efficiency optimized via start-stop technology

Emissions Compliance

Complies with Euro 6d-TEMP emissions standards
CO2 emissions: 239 g/km
Equipped with particulate filter for reduced emissions
Onboard diagnostics (OBD) for emissions monitoring

Note: Regular emissions system checks are recommended.

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Component Specifications

Fuel Type

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

Minimum Octane Rating: AKI 89

Ethanol Content: Up to 10% ethanol (E10)

Alternative Fuels: Not compatible with E85 or diesel

Fuel System

Fuel Delivery: Direct injection

Fuel Pump Pressure: 5.0 bar (72.5 psi)

Fuel Tank Capacity: 20.1 gallons (76 liters)

Fuel Filter Part Number: 13-32-8-617-123

Fuel injector Part Number: 13-62-8-618-456

Fuel Quality

Sulfur Content: Maximum 10 ppm

Additives: BMW-approved fuel additives recommended

Contamination Tolerance: Less than 0.5% water content

Storage Life: Up to 6 months in sealed containers

Fuel Consumption

City Mpg: 15 mpg

Highway Mpg: 22 mpg

Combined Mpg: 18 mpg

Co2 Emissions: 320 g/km

Fuel Tank

Material: High-density polyethylene

Weight: 12.5 kg (27.5 lbs)

Capacity: 20.1 gallons (76 liters)

Ventilation System: Closed-loop vapor recovery system

Fuel Pump

Type: Electric in-tank fuel pump

Flow Rate: 150 liters/hour

Operating Voltage: 12V DC

Part Number: 16-14-7-181-234

Fuel injectors

Type: High-pressure solenoid injectors

Flow Rate: 15 cc/min at 3 bar

Spray Pattern: Multi-hole, cone-shaped

Part Number: 13-62-8-618-456

Fuel Pressure Regulator

Type: Mechanical diaphragm regulator

Pressure Setting: 5.0 bar (72.5 psi)

Part Number: 13-51-8-617-789

Fuel System Maintenance

injector Cleaning Interval: Every 30,000 miles

Fuel Filter Replacement interval: Every 60,000 miles

Fuel Tank inspection Interval: Every 100,000 miles

Diagnostic Tool: BMW ISTA diagnostic software

Fuel System Diagnostics

Common Fault Codes

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

Diagnostic Procedures

Check fuel pressure with BMW-approved gauge
Inspect fuel injectors for clogging or leaks
Test fuel pump voltage and current draw
Scan for fault codes using ISTA

Service Information Service

Detailed service requirements and schedules for the fuel system

30,000

Inspect fuel injectors
Clean fuel injectors if necessary
Check fuel pressure

Use BMW-approved cleaning solutions

60,000

Replace fuel filter
Inspect fuel lines for leaks
Check fuel tank ventilation system

Replace with OEM parts only

100,000

Inspect fuel tank for damage or corrosion
Test fuel pump performance
Replace fuel pressure regulator if necessary

Perform full fuel system diagnostic

Frequently Asked Questions

Find answers to common questions about torque specifications

What type of fuel is recommended for the 2019-Present BMW M8?

The 2019-Present BMW M8 requires premium unleaded gasoline with an octane rating of 91 AKI (95 RON) or higher. Using lower octane fuel may result in reduced performance and engine knocking.

What is the fuel tank capacity of the BMW M8?

The BMW M8 has a fuel tank capacity of 18.0 gallons (68.1 liters). This capacity ensures extended driving range, especially during high-performance driving.

Can I use ethanol-blended fuel in the BMW M8?

The BMW M8 can use ethanol-blended fuels with up to 10% ethanol (E10). However, fuels with higher ethanol content, such as E85, are not recommended as they can damage the fuel system and void the warranty.

What is the fuel economy of the BMW M8?

The BMW M8 achieves an EPA-estimated fuel economy of 15 mpg in the city and 21 mpg on the highway for the standard model. The M8 Competition variant may have slightly lower fuel efficiency due to its enhanced performance tuning.

Does the BMW M8 have a fuel-saving feature?

Yes, the BMW M8 is equipped with an Auto Start-Stop function that temporarily shuts off the engine when the vehicle is stationary, reducing fuel consumption and emissions during idle periods.

What happens if I use the wrong type of fuel in my BMW M8?

Using fuel with an octane rating lower than 91 AKI (95 RON) can cause engine knocking, reduced performance, and potential long-term damage to the engine. Always use the recommended fuel type to maintain optimal performance and warranty coverage.

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 M8 Owner's Manual

Coming Soon

The official owner's manual provides detailed information on fuel specifications, maintenance schedules, and operational guidelines for the BMW M8.

BMW Fuel System Maintenance Guide

Coming Soon

This guide covers best practices for maintaining the fuel system, including fuel filter replacement and injector cleaning, to ensure optimal performance.

BMW Warranty and Fuel Requirements

Coming Soon

Learn about the warranty implications of using non-recommended fuels and how to maintain warranty coverage for your BMW M8.

BMW M8 Performance Tuning and Fuel Efficiency

Coming Soon

Explore how performance tuning impacts fuel efficiency and the importance of using high-quality fuel for the BMW M8.

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