BMW X6 2019-2021

BMW X6 2019-2021 Fuel System Specifications

Comprehensive technical guide for the 2019-2021 BMW X6 fuel system, including fuel types, injection systems, pump specifications, and maintenance tips. Optimized for BMW X6 owners and technicians.

Updated Oct 24, 2023

Overview Specifications

Comprehensive description of the fuel specifications for the 2019-2021 BMW X6, including key features, measurements, and technical details

How to Use

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

Navigate through the fuel documentation sections using the table of contents or by scrolling through the document. Each section is labeled with a clear title for easy reference.

Key Specifications

Fuel Tank Capacity

21.9 gallons (83 liters)

Recommended Octane Rating

91 or higher

Fuel Pump Pressure

5,800 psi (400 bar)

Combined Fuel Economy

23 mpg

CO2 Emissions

250 g/km

Available Specifications

Fuel Types and Requirements

Details about the types of fuel recommended for the 2019-2021 BMW X6, including octane ratings and fuel additives.

Recommended Fuel Types

Premium unleaded gasoline with an octane rating of 91 or higher
Minimum octane rating of 89 for optimal performance
Use of ethanol blends up to E10 (10% ethanol)
Avoid using diesel or other incompatible fuel types

Fuel Additives

BMW recommends against using aftermarket fuel additives
Fuel system cleaners approved by BMW can be used sparingly
Avoid additives containing methanol or silicone
Use only additives that meet BMW specifications

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

Fuel System Specifications

Technical details about the fuel system, including fuel tank capacity, fuel delivery system, and fuel pressure.

Fuel Tank Capacity

Total fuel tank capacity: 21.9 gallons (83 liters)
Reserve fuel capacity: 2.6 gallons (10 liters)
Fuel tank material: High-density polyethylene
Fuel tank design: Dual-chamber for improved safety

Fuel Delivery System

Direct fuel injection system with high-pressure injectors
Fuel pump pressure: 5,800 psi (400 bar)
Electronic fuel pump with integrated pressure sensor
Fuel filter integrated into the fuel pump module

Fuel Efficiency and Emissions

Information about the fuel efficiency ratings and emissions standards for the 2019-2021 BMW X6.

Fuel Efficiency Ratings

City fuel economy: 20 mpg
Highway fuel economy: 27 mpg
Combined fuel economy: 23 mpg
Range on a full tank: Approximately 500 miles

Emissions Standards

Complies with EPA Tier 3 emissions standards
EURO 6 compliant for European models
Equipped with a catalytic converter and particulate filter
CO2 emissions: 250 g/km (combined)

Note: Emissions may vary based on driving conditions and fuel quality.

Search Specifications

Search by specification name, value, or description

Component Specifications

Fuel Type

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

Minimum Octane Rating: 89 AKI (87 RON)

Ethanol Content: Up to 10% ethanol (E10)

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

Fuel Tank

Capacity: 21.9 gallons (83 liters)

Material: High-density polyethylene (HDPE)

Part Number: 16117350075

Cross Reference: Fuel level sensor, fuel pump module

Fuel Pump

Type: Electric in-tank fuel pump

Flow Rate: 120 liters per hour (at 5 bar)

Pressure: 5 bar (72.5 psi)

Part Number: 16148658794

Operating Voltage: 12V DC

Notes: Ensure fuel pump is replaced with OEM part to maintain system integrity.

Fuel injectors

Type: Direct injection (DI)

Flow Rate: 15.5 cc/min at 3 bar

Part Number: 13647596111

Spray Pattern: Multi-hole

Notes: Injectors are calibrated for precise fuel delivery and must be replaced as a set.

Fuel Filter

Type: Integrated in-tank filter

Replacement interval: Every 60,000 miles or 5 years

Part Number: 16148658793

Notes: Filter is part of the fuel pump module and requires module replacement for service.

Fuel Pressure Regulator

Type: Mechanical diaphragm

Pressure Setting: 5 bar (72.5 psi)

Part Number: 13537585261

Location: Integrated into fuel rail

Notes: Regulator maintains consistent fuel pressure for optimal engine performance.

Fuel Rail

Material: Aluminum

Pressure Rating: 150 bar (2175 psi)

Part Number: 13537585260

Cross Reference: Fuel injectors, fuel pressure sensor

Fuel System Diagnostics

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

Common Codes

P0171 - System too lean
P0172 - System too rich
P0087 - Fuel rail/system pressure too low

Notes: Diagnostic procedures should follow BMW-specific troubleshooting guides.

Fuel System Maintenance

inspection Interval: Every 30,000 miles or 2 years

Items

Check fuel lines for leaks or damage
Inspect fuel tank for corrosion or damage
Verify fuel pressure and flow rates

Notes: Use only BMW-approved cleaning agents for fuel system maintenance.

Fuel System Safety

Fire Hazard: Highly flammable

Safety Precautions

Avoid open flames or sparks during service
Depressurize fuel system before disassembly
Use proper PPE (gloves, safety glasses)

Notes: Follow BMW workshop manual procedures for safe fuel system handling.

Service Information Service

Detailed service requirements and schedules for the fuel system

30,000 miles

24 months

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

Replace fuel filter if integrated in fuel pump module.

60,000 miles

48 months

Replace fuel pump module (includes filter)
Inspect fuel injectors for leaks or clogs
Perform fuel system diagnostic scan

Use OEM parts for replacement to ensure compatibility.

Frequently Asked Questions

Find answers to common questions about torque specifications

What type of fuel is recommended for the 2019-2021 BMW X6?

The 2019-2021 BMW X6 is designed to run on premium unleaded gasoline with an octane rating of 91 or higher. Using lower octane fuel may result in reduced performance and efficiency.

What is the fuel tank capacity of the 2019-2021 BMW X6?

The fuel tank capacity of the 2019-2021 BMW X6 is 21.9 gallons (83 liters). This capacity may vary slightly depending on the specific trim and model year.

Can I use ethanol-blended fuel in the 2019-2021 BMW X6?

The 2019-2021 BMW X6 can use ethanol-blended fuels with up to 10% ethanol (E10). However, fuels with higher ethanol content, such as E15 or E85, are not recommended and may cause damage to the fuel system.

What is the fuel economy of the 2019-2021 BMW X6?

The fuel economy for the 2019-2021 BMW X6 varies by engine type. The xDrive40i model achieves approximately 20 MPG city and 26 MPG highway, while the M50i model achieves around 16 MPG city and 22 MPG highway.

How often should I replace the fuel filter in the 2019-2021 BMW X6?

The 2019-2021 BMW X6 does not have a traditional replaceable fuel filter. Instead, it uses a lifetime fuel filter integrated into the fuel pump module. However, if you experience fuel delivery issues, consult a BMW-certified technician for inspection.

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

If you accidentally use the wrong type of fuel, such as diesel or a high-ethanol blend, do not start the engine. Contact a BMW-certified service center 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 X6 Owner's Manual

Coming Soon

The official owner's manual for the 2019-2021 BMW X6, containing detailed information on fuel specifications, maintenance, and safety guidelines.

BMW Fuel System Maintenance Guide

Coming Soon

A comprehensive guide on maintaining the fuel system of your BMW X6, including tips for optimal performance and longevity.

BMW Genuine Parts Catalog

Coming Soon

Access the official BMW parts catalog to find genuine fuel system components and accessories for your 2019-2021 BMW X6.

BMW Service Center Locator

Coming Soon

Find a certified BMW service center near you for professional maintenance and repair of your 2019-2021 BMW X6 fuel system.

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.