BMW M4 2021-present

BMW M4 2021-present Fuel System Specifications

Comprehensive technical guide for the 2021-Present BMW M4 fuel system, including detailed specifications, maintenance tips, and performance optimization for the S58 engine.

Updated Oct 24, 2023

Overview Specifications

Comprehensive description of the fuel specifications for the 2021-Present BMW M4, 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 structured headings. Each section is labeled for easy access to relevant information.

Key Specifications

Fuel Type

Premium unleaded (91+ AKI)

Fuel Tank Capacity

15.6 gallons (59 liters)

Injection Pressure

Up to 350 bar (5076 psi)

Combined Fuel Efficiency

19 mpg (12.4 L/100 km)

Emissions Standard

Euro 6d, EPA Tier 3

Available Specifications

Fuel Requirements

This section outlines the fuel type, octane rating, and additives required for the BMW M4 to ensure optimal performance and engine longevity.

Recommended Fuel Type

Premium unleaded gasoline with a minimum octane rating of 91 AKI (Anti-Knock Index)
For enhanced performance, use fuel with an octane rating of 93 AKI or higher
Avoid using fuels with ethanol content exceeding 10% (E10)
Do not use diesel or any other non-specified fuel types

Fuel Additives

BMW-approved fuel additives are recommended for maintaining fuel system cleanliness
Avoid using aftermarket additives not approved by BMW
Additives should not contain metallic compounds or manganese-based substances
Use additives sparingly and only as specified in the owner's manual

Note: Using improper fuel or additives may void the vehicle's warranty.

Fuel System Components

This section details the key components of the BMW M4 fuel system, including the fuel tank, fuel pump, and injection system.

Fuel Tank

Capacity: 15.6 gallons (59 liters)
Material: High-density polyethylene for durability and corrosion resistance
Includes an integrated fuel level sensor for accurate readings
Designed to minimize fuel sloshing during dynamic driving

High-Precision Fuel Injection

Direct fuel injection system with piezo injectors
Injection pressure: Up to 350 bar (5076 psi)
Optimized for precise fuel delivery and combustion efficiency
Supports stratified charge operation for improved fuel economy

Note: The injection system is calibrated for high-performance driving and requires regular maintenance.

Fuel Efficiency and Emissions

This section covers the fuel efficiency ratings and emissions standards compliance for the BMW M4.

Fuel Efficiency

City: 16 mpg (14.7 L/100 km)
Highway: 23 mpg (10.2 L/100 km)
Combined: 19 mpg (12.4 L/100 km)
Efficiency may vary based on driving conditions and fuel quality

Emissions Compliance

Meets Euro 6d and EPA Tier 3 emissions standards
Equipped with a particulate filter for reduced particulate emissions
Includes an oxygen sensor for real-time emissions monitoring
Designed to minimize NOx and CO2 emissions

Note: Regular emissions system checks are recommended to maintain compliance.

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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 Type: Electric high-pressure fuel pump

Fuel Pressure: 200-300 bar (2900-4350 psi)

Fuel Filter Part Number: 13-32-8-664-123

Fuel Tank Capacity: 15.6 gallons (59 liters)

Fuel injectors

Type: Piezo-electric injectors

Flow Rate: 15-20 cc/min at 100 bar

Part Number: 13-62-8-664-567

Operating Temperature: -40°C to 140°C (-40°F to 284°F)

Tolerance: ±2% flow rate variation

Fuel Pump

Type: In-tank electric fuel pump

Flow Rate: 120 liters/hour at 5 bar

Part Number: 16-14-8-664-890

Operating Voltage: 12V DC

Pressure Relief Valve: 6.5 bar (94 psi)

Fuel Tank

Material: High-density polyethylene (HDPE)

Capacity: 15.6 gallons (59 liters)

Vent System: Closed-loop evaporative emission control

Part Number: 16-11-8-664-321

Safety Features: Rollover valve and impact-resistant design

Fuel Quality

Sulfur Content: Maximum 10 ppm

Additives: BMW-approved fuel additives recommended

Contaminants: Maximum 5 mg/kg particulate matter

Water Content: Maximum 0.02% by volume

Fuel Economy

City: 16 mpg

Highway: 23 mpg

Combined: 19 mpg

Co2 Emissions: 292 g/km

Range: Approximately 300 miles on a full tank

Fuel System Maintenance

injector Cleaning Interval: Every 30,000 miles

Fuel Filter Replacement interval: Every 60,000 miles

Fuel Pump inspection Interval: Every 100,000 miles

Fuel Tank inspection Interval: Every 5 years or 75,000 miles

Fuel System Diagnostics

Obd2 Codes

P0171
P0172
P0181
P0191
P0192

Diagnostic Tool: BMW ISTA+

Pressure Sensor Range: 0-400 bar (0-5800 psi)

Leak Detection: Evaporative system leak detection via OBD2

Safety information

Fire Hazard: Avoid open flames or sparks near fuel system

Fuel Spill Procedure: Use absorbent materials and ventilate area

Fuel System Pressure Relief: Depressurize system before servicing

Personal Protective Equipment: Wear gloves and safety glasses

Service Information Service

Detailed service requirements and schedules for the fuel system

30,000

Inspect fuel injectors
Check fuel pressure
Clean fuel injectors if necessary

Use BMW-approved cleaning solutions

60,000

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

Replace with genuine BMW parts

100,000

Inspect fuel pump and replace if necessary
Check fuel tank for damage or leaks
Inspect fuel system for corrosion

Perform pressure test on fuel system

Frequently Asked Questions

Find answers to common questions about torque specifications

What type of fuel is recommended for the 2021-Present BMW M4?

The 2021-Present BMW M4 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 potential engine knocking.

Can I use ethanol-blended fuel in the BMW M4?

Yes, the BMW M4 can use ethanol-blended fuels containing 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 void the warranty.

What is the fuel tank capacity of the BMW M4?

The BMW M4 has a fuel tank capacity of 15.6 gallons (59 liters). This allows for a balance between performance and range, depending on driving conditions.

Does the BMW M4 have a fuel economy rating?

The 2021-Present BMW M4 has an EPA-estimated fuel economy of 16 mpg in the city and 23 mpg on the highway for the base model. The Competition model may have slightly lower ratings due to its higher performance output.

What happens if I use diesel or the wrong fuel type?

Using diesel or any fuel type other than premium unleaded gasoline can cause severe engine damage, fuel system contamination, and void the vehicle's warranty. If the wrong fuel is accidentally used, do not start the engine and contact a BMW-certified technician immediately.

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 M4 Owner's Manual

Coming Soon

The official owner's manual provides detailed information on fuel requirements, maintenance schedules, and safety precautions specific to the BMW M4.

BMW Fuel System Maintenance Guide

Coming Soon

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

BMW Genuine Parts Catalog

Coming Soon

Access the official catalog for genuine BMW fuel system components, ensuring compatibility and warranty compliance.

BMW Warranty and Service Information

Coming Soon

Detailed information on warranty coverage, service requirements, and the importance of using genuine parts for fuel system maintenance.

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