BMW X4 2018-present

BMW X4 2018-present Fuel System Specifications

Detailed technical guide for the 2018-Present BMW X4 fuel system, including specifications, components, and maintenance tips. Learn about fuel type requirements, injection technology, and system diagnostics.

Updated Oct 24, 2023

Overview Specifications

Comprehensive description of the fuel specifications for the 2018-Present BMW X4, 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

17.2 gallons (65.1 liters)

Recommended Octane Rating

91 or higher

Fuel Pump Pressure

5.8 bar (84 psi)

Combined Fuel Efficiency

24 mpg (9.8 L/100 km)

CO2 Emissions

185 g/km

Available Specifications

Fuel Types and Requirements

Details on the types of fuel suitable for the 2018-Present BMW X4, 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 fuel additives is not recommended unless specified by BMW
Ethanol blends up to E10 (10% ethanol) are acceptable

Fuel Quality Standards

Fuel must meet ASTM D4814 standards
Avoid using fuel with high sulfur content
Ensure fuel is free from contaminants and water
Use of low-quality fuel may void warranty

Note: Using fuel with an octane rating below 89 may cause engine knocking and reduced performance.

Fuel Tank Specifications

Technical details about the fuel tank, including capacity, materials, and safety features.

Fuel Tank Capacity

Total fuel tank capacity: 17.2 gallons (65.1 liters)
Reserve fuel capacity: 2.1 gallons (8 liters)
Fuel tank material: High-density polyethylene (HDPE)
Fuel tank design includes impact-resistant features

Fuel Tank Safety Features

Integrated rollover valve to prevent fuel spillage
Automatic fuel shutoff in case of collision
Fuel tank is equipped with a pressure relief valve
Leak detection system for early warning

Fuel System Components

Overview of the key components in the fuel system, including the fuel pump, injectors, and filters.

Fuel Pump Specifications

Electric fuel pump with a flow rate of 120 liters per hour
Operating pressure: 5.8 bar (84 psi)
Fuel pump is located inside the fuel tank
Designed for high efficiency and low noise

Fuel Injectors

Direct fuel injection system
Injector flow rate: 15.5 cc/min at 3 bar
Precision-engineered for optimal fuel atomization
Self-cleaning injectors to prevent clogging

Note: Regular maintenance of fuel injectors is recommended to ensure optimal performance.

Fuel Efficiency and Emissions

Information on the fuel efficiency and emissions standards for the 2018-Present BMW X4.

Fuel Efficiency Ratings

City driving: 21 mpg (11.2 L/100 km)
Highway driving: 28 mpg (8.4 L/100 km)
Combined fuel efficiency: 24 mpg (9.8 L/100 km)
Fuel efficiency may vary based on driving conditions

Emissions Standards

Complies with Euro 6 emissions standards
CO2 emissions: 185 g/km
Equipped with a catalytic converter and particulate filter
Onboard diagnostics (OBD) system monitors emissions

Search Specifications

Search by specification name, value, or description

Component Specifications

Fuel Type

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

Minimum Fuel: Regular unleaded gasoline (87 AKI or 91 RON)

Ethanol Content: Up to 10% ethanol (E10)

Notes: Using fuel with higher ethanol content may void warranty and damage the fuel system

Fuel Tank

Capacity: 17.2 gallons (65.1 liters)

Material: High-density polyethylene (HDPE)

Part Number: 16117359999

Pressure Rating: 3.0 bar (43.5 psi)

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: 5.0 bar (72.5 psi)

Part Number: 16148659876

Voltage: 12V DC

Notes: Includes integrated fuel filter

Fuel injectors

Type: Direct injection (DI)

Flow Rate: 15.0 cc/min at 3.0 bar

Part Number: 13537586999

Spray Pattern: Multi-hole

Notes: High-pressure injectors for precise fuel delivery

Fuel Filter

Type: Integrated with fuel pump

Filtration Rating: 10 microns

Replacement interval: Every 60,000 miles (96,560 km)

Part Number: 16148659876

Notes: Non-serviceable, replace entire fuel pump assembly

Fuel Pressure

Operating Pressure: 200-250 bar (2900-3625 psi)

Tolerance: +/- 10 bar (145 psi)

Sensor Part Number: 13627845999

Notes: Monitored by the engine control unit (ECU)

Fuel System Maintenance

injector Cleaning Interval: Every 30,000 miles (48,280 km)

Fuel System Flush interval: Every 60,000 miles (96,560 km)

Notes: Use BMW-approved fuel system cleaner

Fuel System Diagnostics

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

Error Codes

P0171 - System too lean
P0172 - System too rich
P0087 - Fuel Rail/System Pressure Too Low
P0088 - Fuel Rail/System Pressure Too High

Notes: Diagnostic procedures available in BMW ISTA software

Fuel System Safety

Fire Risk: High-pressure fuel system, avoid open flames

Pressure Release: Depressurize system before servicing

Notes: Follow BMW repair manual safety procedures

Fuel System Cross References

Related Components

High-pressure fuel pump
Fuel rail
Fuel pressure sensor
Engine control unit (ECU)

Notes: Ensure compatibility with BMW X4 2018-Present models

Fuel System Service Information Service

Detailed service requirements and schedules for the fuel system

30,000 miles

24 months

Inspect fuel injectors
Check fuel pressure
Clean fuel injectors

Use BMW-approved cleaning solutions

60,000 miles

48 months

Replace fuel filter (if applicable)
Perform fuel system flush
Inspect fuel pump and lines

Replace fuel pump assembly if necessary

Frequently Asked Questions

Find answers to common questions about torque specifications

What type of fuel is recommended for the 2018-Present BMW X4?

The 2018-Present BMW X4 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 BMW X4?

The fuel tank capacity of the 2018-Present BMW X4 is 17.2 gallons (65 liters). This capacity may vary slightly depending on the specific model and trim.

Can I use ethanol-blended fuel in my BMW X4?

The BMW X4 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 cause damage to the fuel system and engine components.

What is the fuel economy of the BMW X4?

The fuel economy of the 2018-Present BMW X4 varies by engine type and drivetrain. For example, the X4 xDrive30i achieves an EPA-estimated 23 mpg in the city and 30 mpg on the highway, while the X4 M40i achieves 20 mpg in the city and 27 mpg on the highway.

How often should I replace the fuel filter in my BMW X4?

The fuel filter in the BMW X4 is typically designed to last the lifetime of the vehicle under normal driving conditions. However, it should be inspected during regular maintenance intervals and replaced if any signs of clogging or contamination are detected.

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 X4 Owner's Manual

Coming Soon

The official owner's manual for the BMW X4, containing detailed information on fuel specifications, maintenance schedules, and safety guidelines.

BMW Fuel System Maintenance Guide

Coming Soon

A comprehensive guide on maintaining the fuel system of your BMW X4, including tips on fuel quality, filter replacement, and troubleshooting common issues.

BMW Genuine Parts Catalog

Coming Soon

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

BMW Service and Warranty Information

Coming Soon

Detailed information on BMW's service requirements and warranty coverage, including how fuel system maintenance impacts your vehicle's warranty.

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