BMW X4 2014-2018

BMW X4 2014-2018 Fuel System Specifications

Explore the comprehensive technical specifications and maintenance guidelines for the 2014-2018 BMW X4 fuel system. Learn about fuel type requirements, system components, pressure specifications, and troubleshooting tips.

Updated Oct 24, 2023

Overview Specifications

Comprehensive description of the fuel specifications for the 2014-2018 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', '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 clearly labeled for easy access.

Key Specifications

Fuel Tank Capacity

19.8 gallons (75 liters)

Recommended Octane Rating

91 AKI (95 RON)

Fuel Pump Flow Rate

120 liters/hour at 3 bar

CO2 Emissions

185 g/km

Combined Fuel Economy

23 mpg (10.2 L/100 km)

Available Specifications

Fuel Types and Requirements

This section covers the types of fuel recommended for the 2014-2018 BMW X4, including octane ratings and fuel additives.

Recommended Fuel Types

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 ethanol blends up to E10 (10% ethanol) is permitted
Diesel fuel is not compatible with gasoline engines

Fuel Additives

BMW recommends using fuel additives that meet BMW specification BMW 13 1 0 035 000
Avoid additives containing metal compounds or silicone
Additives should be used sparingly and only as directed
Regular use of BMW-approved additives can help maintain engine performance

Note: Using non-approved additives may void the vehicle's warranty.

Fuel System Components

This section provides detailed information on the fuel system components, including the fuel tank, fuel pump, and injectors.

Fuel Tank Specifications

Fuel tank capacity: 19.8 gallons (75 liters)
Material: High-density polyethylene (HDPE) with anti-corrosion coating
Includes a fuel level sensor with a precision of ±2%
Equipped with a rollover valve for safety

Fuel Pump and Injectors

Electric fuel pump with a flow rate of 120 liters per hour at 3 bar
High-pressure fuel injectors with a maximum pressure of 200 bar
Injectors are designed for precise fuel delivery and atomization
Fuel pump is located inside the fuel tank for cooling and noise reduction

Note: Regular maintenance of the fuel pump and injectors is essential for optimal performance.

Fuel Efficiency and Emissions

This section covers the fuel efficiency ratings and emissions standards for the 2014-2018 BMW X4.

Fuel Efficiency Ratings

City fuel economy: 20 mpg (11.8 L/100 km)
Highway fuel economy: 28 mpg (8.4 L/100 km)
Combined fuel economy: 23 mpg (10.2 L/100 km)
Fuel efficiency may vary based on driving conditions and vehicle load

Emissions Standards

Complies with Euro 6 emissions standards
Equipped with a catalytic converter and oxygen sensors
CO2 emissions: 185 g/km
Includes an onboard diagnostics (OBD) system for emissions monitoring

Note: Regular emissions testing is recommended to ensure compliance with local regulations.

Search Specifications

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Component Specifications

Fuel Type

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

Minimum Octane Rating: 89 AKI or 91 RON

Ethanol Content: Up to 10% (E10)

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

Fuel Tank

Capacity: 17.7 gallons (67 liters)

Material: High-density polyethylene (HDPE)

Part Number: 16117348321

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 (L/h)

Pressure: 5.0 bar (72.5 psi)

Part Number: 16146759567

Voltage: 12V DC

Notes: Includes fuel filter and pressure regulator

Fuel injectors

Type: Direct injection (DI)

Flow Rate: 15.5 cc/min at 3.0 bar

Part Number: 13537585291

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: 16146759567

Notes: Non-serviceable; replace entire fuel pump assembly if clogged

Fuel Pressure

Operating Pressure: 200 bar (2900 psi)

Tolerance: +/- 10 bar (145 psi)

Sensor Part Number: 13627839284

Notes: Monitored by the engine control unit (ECU) for optimal performance

Fuel System Diagnostics

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

Notes: Regularly check for fuel system-related error codes during service

Fuel Additives

Recommended Additives

BMW Fuel System Cleaner (part number: 82140407459)
ISO-HEET for water removal

Usage interval: Every 10,000 miles or 12 months

Notes: Use only BMW-approved additives to avoid damage to the fuel system

Fuel Economy

City: 20 mpg

Highway: 28 mpg

Combined: 23 mpg

Notes: Based on EPA estimates; actual mileage may vary

Safety information

Fire Hazard: Avoid open flames or sparks near fuel system components

Pressure Release: Depressurize fuel system before servicing

Notes: Follow BMW service manual procedures for safe handling

Service Information Service

Detailed service requirements and schedules for the fuel system

10,000

Inspect fuel lines and connections for leaks
Check fuel pressure and injector performance
Add recommended fuel additive

Perform visual inspection and diagnostic checks

60,000

Replace fuel filter (if applicable)
Inspect fuel pump and pressure regulator
Check fuel tank for damage or contamination

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 2014-2018 BMW X4?

The 2014-2018 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 2014-2018 BMW X4?

The fuel tank capacity of the 2014-2018 BMW X4 is 17.7 gallons (67 liters). This capacity may vary slightly depending on the specific model and trim.

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

Yes, the 2014-2018 BMW X4 can use ethanol-blended fuels containing 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 2014-2018 BMW X4?

The fuel economy for the 2014-2018 BMW X4 varies by engine type. The xDrive28i model achieves approximately 20 MPG in the city and 28 MPG on the highway, while the xDrive35i model achieves around 18 MPG in the city and 25 MPG on the highway.

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

The fuel filter in the 2014-2018 BMW X4 is designed to last the lifetime of the vehicle under normal driving conditions. However, it should be inspected during routine maintenance 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 2014-2018 BMW X4, containing detailed information on fuel specifications, maintenance schedules, and safety precautions.

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 inspection, and system cleaning.

BMW Genuine Parts Catalog

Coming Soon

Access the official BMW parts catalog to find genuine fuel system components for your 2014-2018 BMW X4, ensuring optimal performance and warranty compliance.

BMW Service and Warranty Information

Coming Soon

Detailed information on BMW's service requirements and warranty implications related to fuel system maintenance and repairs for the 2014-2018 BMW X4.

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