BMW 430i 2017-present

BMW 430i 2017-present Fuel System Specifications

Comprehensive technical guide for the fuel system of the 2017-Present BMW 430I, including fuel type, pressure, injector details, and emissions compliance. Ideal for technicians and enthusiasts.

Updated Oct 24, 2023

Overview Specifications

Comprehensive description of the fuel specifications for the 2017-Present BMW 430I, including key features, measurements, and technical details

How to Use

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

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 Type

Premium unleaded (91 AKI or higher)

Fuel Tank Capacity

15.8 gallons (60 liters)

Injection Pressure

200 bar (2900 psi)

CO2 Emissions

149 g/km

Combined Fuel Economy

27 mpg (8.7 L/100 km)

Available Specifications

Fuel Type and Quality

This section covers the recommended fuel type, quality standards, and octane rating for optimal performance.

Recommended Fuel Type

Premium unleaded gasoline with an octane rating of 91 AKI (Anti-Knock Index) or higher
Minimum octane rating of 89 AKI is acceptable but may reduce performance
Do not use gasoline with a methanol content exceeding 10%
Avoid using diesel or E85 ethanol blends

Fuel Quality Standards

Complies with EN 228 or ASTM D4814 standards
Must be free of metallic additives
Sulfur content must not exceed 10 ppm
Use of fuel system cleaners is recommended every 10,000 miles

Note: Using lower-quality fuel may void the warranty and damage the engine.

Fuel System Specifications

This section provides detailed information about the fuel system, including tank capacity, injection type, and pressure.

Fuel Tank Capacity

Total fuel tank capacity: 15.8 gallons (60 liters)
Reserve fuel capacity: 2.1 gallons (8 liters)
Fuel tank material: High-density polyethylene
Fuel tank design: Dual-chamber for improved safety

Fuel Injection System

Direct fuel injection system with high-pressure injectors
Injection pressure: 200 bar (2900 psi)
Electronically controlled multi-point injection
Optimized for precise fuel delivery and reduced emissions

Emission and Efficiency Standards

This section outlines the emission standards, fuel efficiency, and environmental compliance of the vehicle.

Emission Standards

Complies with Euro 6 and EPA Tier 3 emission standards
Equipped with a catalytic converter and particulate filter
CO2 emissions: 149 g/km (combined cycle)
NOx emissions: 0.02 g/km

Fuel Efficiency

City fuel economy: 23 mpg (10.2 L/100 km)
Highway fuel economy: 34 mpg (6.9 L/100 km)
Combined fuel economy: 27 mpg (8.7 L/100 km)
Fuel efficiency optimized for both performance and economy

Note: Fuel efficiency may vary based on driving conditions and maintenance.

Search Specifications

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Component Specifications

Fuel Type

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

Alternative Fuel: Regular unleaded gasoline (87 AKI or 91 RON minimum) with reduced performance

Ethanol Content: Up to 10% ethanol (E10)

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

Fuel Tank

Capacity: 15.8 gallons (60 liters)

Material: High-density polyethylene (HDPE)

Part Number: 16117359901

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: 16148658763

Voltage: 12V DC

Notes: Includes integrated fuel filter and pressure regulator

Fuel injectors

Type: Direct injection (DI)

Flow Rate: 200 cc/min at 3.0 bar

Part Number: 13647596163

Spray Pattern: Multi-hole nozzle

Operating Pressure: 200 bar (2900 psi)

Notes: High-pressure injectors for precise fuel delivery

Fuel Filter

Type: Integrated with fuel pump

Filtration Rating: 10 microns

Replacement interval: Lifetime (non-serviceable)

Part Number: 16148658763

Notes: Replacement requires fuel pump assembly replacement

Fuel Pressure Sensor

Type: High-pressure sensor

Operating Range: 0-250 bar (0-3625 psi)

Part Number: 13627844085

Output Signal: 0.5-4.5V

Notes: Monitors fuel rail pressure for engine control unit (ECU)

Fuel Rail

Material: Stainless steel

Pressure Rating: 250 bar (3625 psi)

Part Number: 13627579821

Notes: Includes integrated pressure sensor and injector ports

Fuel System Capacity

Total System Capacity: 16.5 gallons (62.5 liters)

Usable Capacity: 15.8 gallons (60 liters)

Reserve Capacity: 2.0 gallons (7.5 liters)

Notes: Reserve capacity activates low fuel warning light

Fuel System Maintenance

injector Cleaning Interval: Every 30,000 miles or 24 months

Fuel System Flush interval: Every 60,000 miles or 48 months

Notes: Use BMW-approved fuel system cleaner (part number 82141467704)

Fuel System Diagnostics

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

Common Codes

P0171
P0172
P0087
P0088

Pressure Test Requirements: High-pressure fuel system tester (part number 83302409192)

Notes: Diagnostics require specialized tools for high-pressure 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
Clean fuel injectors using BMW-approved cleaner

Use only BMW-approved cleaning agents

60,000 miles

48 months

Perform fuel system flush
Inspect fuel pump and filter assembly
Check fuel pressure sensor operation

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 2017-Present BMW 430i?

The BMW 430i requires 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 430i?

The fuel tank capacity of the BMW 430i is 15.8 gallons (60 liters). This allows for a balance between range and weight efficiency.

Can I use ethanol-blended fuel in the BMW 430i?

Yes, the BMW 430i 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 can damage the fuel system and engine components.

What is the fuel economy of the BMW 430i?

The BMW 430i achieves an EPA-estimated fuel economy of 23 mpg in the city and 34 mpg on the highway, with a combined rating of 27 mpg. Actual mileage may vary based on driving conditions and habits.

Does the BMW 430i have a fuel-saving start-stop feature?

Yes, the BMW 430i is equipped with an Auto Start-Stop function that temporarily shuts off the engine when the vehicle is stationary (e.g., at traffic lights) to reduce fuel consumption and emissions.

What happens if I accidentally use diesel fuel in the BMW 430i?

Using diesel fuel in the BMW 430i, which is designed for gasoline, can cause severe engine damage. If this occurs, do not start the engine. Contact a BMW-certified technician immediately to drain and flush the fuel system.

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 Fuel System Maintenance Guide

Coming Soon

Learn about proper fuel system maintenance, including fuel filter replacement and injector cleaning, to ensure optimal performance and longevity.

Understanding Octane Ratings

Coming Soon

A detailed explanation of octane ratings and why using the correct fuel is critical for your BMW 430i's performance and engine health.

Ethanol-Blended Fuels and Your BMW

Coming Soon

Explore the effects of ethanol-blended fuels on your BMW 430i and why sticking to E10 or lower is recommended.

BMW Fuel Efficiency Tips

Coming Soon

Practical tips to maximize fuel efficiency in your BMW 430i, including driving habits and maintenance practices.

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