BMW X7 2019-present Fuel System Specifications
BMW X7 2019-present

BMW X7 2019-present Fuel System Specifications

Comprehensive technical specifications for the fuel system of the 2019-Present BMW X7, covering fuel type, pressure, injector details, and pump performance. Essential for technicians and enthusiasts.

Updated

Overview Specifications

Comprehensive description of the fuel specifications for the 2019-Present BMW X7, 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', 'tank capacity', or 'octane rating'.

Navigate through the fuel documentation sections using the table of contents or by scrolling through the document. Each section is clearly labeled for easy access.

Key Specifications

Fuel Tank Capacity

21.9 gallons (83 liters)

Recommended Octane Rating

91 AKI (95 RON)

Fuel Pump Flow Rate

200 liters/hour (53 gallons/hour)

Combined Fuel Economy

19 mpg (12.4 L/100 km)

CO2 Emissions

223 g/km

Available Specifications

Fuel Type and Quality

This section covers the recommended fuel types, quality standards, and octane ratings for optimal performance of the BMW X7.

Recommended Fuel Type
  • Premium unleaded gasoline with an octane rating of 91 AKI (95 RON) or higher
  • Minimum octane rating of 89 AKI (91 RON) is acceptable but may reduce performance
  • Use of lower octane fuel may cause engine knocking and reduced efficiency
  • Ethanol content should not exceed 10% (E10)
Fuel Quality Standards
  • Fuel must meet ASTM D4814 (US) or EN 228 (Europe) standards
  • Avoid using fuel with metallic additives or high sulfur content
  • Use of Top Tier detergent gasoline is recommended for engine cleanliness
  • Ensure fuel is free from water contamination

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

Fuel Tank Specifications

This section provides details on the fuel tank capacity, materials, and design features of the BMW X7.

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 (HDPE)
  • Tank design includes impact-resistant baffles for safety
Fuel Tank Design
  • Dual-chamber design for improved fuel slosh control
  • Integrated fuel pump and level sensor assembly
  • Tank is positioned for optimal weight distribution
  • Includes a rollover valve for safety

Fuel System Components

This section outlines the key components of the fuel system, including the fuel pump, injectors, and filters.

Fuel Pump Specifications
  • Electric fuel pump with a flow rate of 200 liters/hour (53 gallons/hour)
  • Operating pressure: 5.8 bar (84 psi)
  • Pump is located inside the fuel tank for cooling and noise reduction
  • Includes a built-in pressure regulator
Fuel Injectors
  • Direct fuel injection system with piezo-electric injectors
  • Injector flow rate: 15 cc/second at 3 bar
  • Precision-controlled spray pattern for efficient combustion
  • Designed for high-pressure operation up to 200 bar

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

Fuel Efficiency and Emissions

This section details the fuel efficiency ratings and emissions standards for the BMW X7.

Fuel Efficiency
  • City fuel economy: 17 mpg (13.8 L/100 km)
  • Highway fuel economy: 23 mpg (10.2 L/100 km)
  • Combined fuel economy: 19 mpg (12.4 L/100 km)
  • Range on a full tank: Approximately 416 miles (670 km)
Emissions Standards
  • Complies with Euro 6d-TEMP and ULEV II emissions standards
  • Equipped with a catalytic converter and particulate filter
  • CO2 emissions: 223 g/km (combined)
  • NOx emissions: 0.02 g/km

Component Specifications

Fuel Type

Recommended Fuel
Premium unleaded gasoline (91 AKI or higher)
Minimum Fuel
Regular unleaded gasoline (87 AKI)
Ethanol Content
Up to 10% ethanol (E10)
Notes
Using fuel with higher ethanol content may void warranty

Fuel Tank

Capacity
21.9 gallons (83 liters)
Material
High-density polyethylene
Part Number
16117359901
Pressure Rating
3.5 bar (50.8 psi)
Notes
Includes integrated fuel pump and level sensor

Fuel Pump

Type
Electric in-tank fuel pump
Flow Rate
150 liters per hour (39.6 gallons per hour)
Pressure
5.0 bar (72.5 psi)
Part Number
16148659874
Voltage
12V DC
Notes
Includes integrated fuel filter

Fuel injectors

Type
Direct injection (DI)
Flow Rate
15.5 cc/min at 3.0 bar
Part Number
13647586932
Spray Pattern
Multi-hole
Notes
High-pressure injectors for precise fuel delivery

Fuel Filter

Type
Integrated with fuel pump
Replacement interval
Every 60,000 miles or 60 months
Part Number
16148659874
Notes
Non-serviceable, replace entire fuel pump assembly

Fuel Pressure

Operating Pressure
200 bar (2900 psi)
Tolerance
+/- 10 bar (145 psi)
Sensor Part Number
13627839245
Notes
Monitored by fuel pressure sensor for optimal performance

Fuel System Diagnostics

Diagnostic Codes
  • P0171
  • P0172
  • P0174
  • P0175
Diagnostic Tool
BMW ISTA or compatible OBD-II scanner
Notes
Check fuel pressure, injector performance, and fuel trim values

Fuel System Maintenance

injector Cleaning Interval
Every 30,000 miles
Fuel System Cleaner Part Number
83192458123
Notes
Use BMW-approved fuel system cleaner for maintenance

Fuel System Safety

Fire Risk
Avoid open flames or sparks near fuel system
Pressure Release
Depressurize system before servicing
Notes
Follow BMW repair manual procedures for safety

Fuel Quality Requirements

Octane Rating
91 AKI or higher recommended
Sulfur Content
Less than 10 ppm
Additives
BMW-approved fuel additives only
Notes
Poor fuel quality may cause engine knocking or reduced performance

Fuel System Service Information Service

Detailed service requirements and schedules for the fuel system

30,000 miles
24 months
  • Inspect fuel lines and connections
  • Check fuel injector performance
  • Use fuel system cleaner

Follow BMW-recommended procedures

60,000 miles
60 months
  • Replace fuel filter (if applicable)
  • Inspect fuel pump performance
  • Check fuel pressure sensor readings

Replace fuel pump assembly if necessary

Frequently Asked Questions

Find answers to common questions about torque specifications

Q1

What type of fuel is recommended for the 2019-Present BMW X7?

The BMW X7 requires premium unleaded gasoline with an octane rating of 91 or higher. Using lower octane fuel may result in reduced performance and efficiency.

Q2

What is the fuel tank capacity of the BMW X7?

The BMW X7 has a fuel tank capacity of 21.9 gallons (83 liters). This allows for extended driving ranges, especially on long-distance trips.

Q3

Can I use ethanol-blended fuel in the BMW X7?

The BMW X7 is compatible with ethanol-blended fuels containing up to 10% ethanol (E10). However, fuels with higher ethanol concentrations, such as E85, are not recommended and may cause engine damage.

Q4

What is the fuel economy of the BMW X7?

The fuel economy varies by engine type. For the xDrive40i model, the EPA-estimated fuel economy is 20 mpg city, 25 mpg highway, and 22 mpg combined. The xDrive50i model achieves 15 mpg city, 21 mpg highway, and 17 mpg combined.

Q5

Does the BMW X7 have a fuel-saving start-stop feature?

Yes, the BMW X7 is equipped with an Auto Start-Stop function that automatically shuts off the engine when the vehicle is stationary, such as at traffic lights, to save fuel and reduce emissions.

Q6

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 blend, avoid driving the vehicle and contact a BMW-certified technician immediately. Running the engine with improper fuel can cause severe 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 X7 Owner's Manual

Coming Soon

The official owner's manual provides detailed information on fuel specifications, usage, and maintenance tips specific to the BMW X7.

BMW Fuel Efficiency Guide

Coming Soon

A comprehensive guide on maximizing fuel efficiency for BMW vehicles, including the X7, with tips on driving habits and maintenance.

BMW Genuine Parts Catalog

Coming Soon

Access the official catalog for genuine BMW parts, including fuel system components, to ensure optimal performance and warranty compliance.

BMW Service and Maintenance Schedule

Coming Soon

Detailed service intervals and maintenance procedures for the BMW X7, including fuel system inspections and cleaning.

About the Author

Expert automotive knowledge and experience

Alan Montanye - Automotive Technical Specialist
ASE

Alan Montanye

Automotive Technical Specialist

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

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.

© 2025 BMW Specs. All rights reserved.