BMW 435i 2014-2016

BMW 435i 2014-2016 Fuel System Specifications

Comprehensive technical guide for the 2014-2016 BMW 435I fuel system, including fuel type, pressure, injector specs, and maintenance procedures. Ideal for technicians and enthusiasts.

Updated Oct 24, 2023

Overview Specifications

Comprehensive description of the fuel specifications for the 2014-2016 BMW 435I, including key features, measurements, and technical details. This section provides essential information on fuel requirements, system components, and performance specifications to ensure optimal vehicle operation.

How to Use

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

Navigate through the fuel documentation sections using the table of contents or by scrolling through the major sections and subsections. Each section is labeled with clear headings for easy reference.

Key Specifications

Fuel Tank Capacity

60 liters (15.85 gallons)

Fuel Pump Pressure

5 bar (72.5 psi)

Octane Rating

91 AKI (minimum)

CO2 Emissions

182 g/km

Fuel Injector Flow Rate

200 cc/min at 3 bar

Available Specifications

Fuel Requirements

This section outlines the fuel type, octane rating, and additives recommended for the 2014-2016 BMW 435I to ensure optimal engine performance and longevity.

Fuel Type and Octane Rating

Premium unleaded gasoline with a minimum octane rating of 91 AKI (Anti-Knock Index)
Do not use gasoline with an octane rating below 89 AKI to prevent engine knocking
Ethanol content should not exceed 10% (E10)
Avoid using diesel or alternative fuels not specified by BMW

Fuel Additives

BMW recommends using fuel additives only if approved by BMW
Avoid additives containing metal compounds or silicone
Use detergents to maintain fuel injector cleanliness
Follow BMW's guidelines for additive usage frequency

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

Fuel System Components

This section details the key components of the fuel system, including the fuel tank, fuel pump, and fuel injectors, along with their specifications and maintenance requirements.

Fuel Tank

Fuel tank capacity: 60 liters (15.85 gallons)
Material: High-density polyethylene (HDPE) for durability
Includes a venting system to prevent pressure buildup
Equipped with a fuel level sensor for accurate readings

Fuel Pump

Electric fuel pump with a flow rate of 120 liters per hour (31.7 gallons per hour)
Operating pressure: 5 bar (72.5 psi)
Located inside the fuel tank for cooling and noise reduction
Includes a fuel filter with a service interval of 30,000 miles

Fuel Injectors

Direct injection system with solenoid-operated injectors
Injector flow rate: 200 cc/min at 3 bar (43.5 psi)
Spray pattern optimized for efficient combustion
Require periodic cleaning to prevent clogging

Note: Clogged injectors can lead to reduced engine performance and increased emissions.

Fuel System Performance

This section covers the performance specifications of the fuel system, including fuel consumption, emissions, and diagnostic parameters.

Fuel Consumption

City driving: 9.8 L/100 km (24 mpg)
Highway driving: 6.5 L/100 km (36 mpg)
Combined fuel economy: 7.8 L/100 km (30 mpg)
Fuel consumption may vary based on driving conditions and load

Emissions

Complies with Euro 6 emissions standards
Equipped with a catalytic converter and oxygen sensors
CO2 emissions: 182 g/km
Includes an evaporative emissions control system

Diagnostic Parameters

OBD-II compliant for emissions monitoring
Fuel system pressure monitored in real-time
Fault codes stored for fuel system malfunctions
Diagnostic port located under the dashboard

Note: Regular diagnostic checks are recommended to ensure compliance with emissions standards.

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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) with reduced performance

Ethanol Content: Up to 10% ethanol (E10)

Octane Rating: 91 AKI (95 RON) minimum for optimal performance

Fuel Tank

Capacity: 15.8 gallons (60 liters)

Material: High-density polyethylene (HDPE)

Part Number: 16117348375

Pressure Rating: 3.0 psi (20.7 kPa)

Safety Valve Setting: 2.5 psi (17.2 kPa)

Fuel Pump

Type: Electric in-tank fuel pump

Flow Rate: 150 liters per hour (LPH)

Pressure: 5.0 bar (72.5 psi)

Part Number: 16146758764

Voltage: 12V DC

Current Draw: 8.5 amps

Fuel Filter

Type: In-line fuel filter

Part Number: 13327585227

Replacement interval: Every 30,000 miles (48,000 km)

Filtration Rating: 10 microns

Pressure Drop: 0.5 bar (7.25 psi) maximum

Fuel injectors

Type: Direct fuel injectors

Part Number: 13647586953

Flow Rate: 200 cc/min at 3.0 bar

Spray Pattern: Multi-hole conical spray

Operating Pressure: 200 bar (2900 psi)

Tolerance: ±2% flow rate variation

Fuel Pressure Regulator

Type: Mechanical diaphragm regulator

Part Number: 13537586942

Pressure Setting: 5.0 bar (72.5 psi)

Tolerance: ±0.2 bar (±2.9 psi)

Location: Integrated into fuel rail

Fuel Rail

Material: Aluminum alloy

Part Number: 13547586931

Pressure Rating: 250 bar (3625 psi)

Mounting Torque: 10 Nm (7.4 lb-ft)

Cross Reference: Fuel injectors, fuel pressure sensor

Fuel Pressure Sensor

Type: Piezoresistive pressure sensor

Part Number: 13647586922

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

Output Signal: 0.5 to 4.5V linear

Accuracy: ±1% of full scale

Cross Reference: Fuel rail, engine control unit (ECU)

Fuel System Diagnostics

Diagnostic Trouble 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

Test Parameters

Fuel pressure: 5.0 bar ± 0.2 bar
Fuel trim: ±10%
Injector pulse width: 1.5 to 10 ms

Fuel System Maintenance

inspection Interval: Every 15,000 miles (24,000 km)

Maintenance Tasks

Inspect fuel lines for leaks or damage
Check fuel filter for clogging
Verify fuel pressure and flow rate
Clean fuel injectors if necessary

Safety Precautions

Depressurize fuel system before servicing
Avoid open flames or sparks
Use BMW-approved cleaning agents

Service Information Service

Detailed service requirements and schedules for the fuel system

15,000 miles

12 months

Inspect fuel lines and connections
Check fuel filter condition
Verify fuel pressure and flow rate

Use BMW-approved diagnostic tools for accurate readings

30,000 miles

24 months

Replace fuel filter
Clean fuel injectors
Inspect fuel pump operation

Follow BMW-recommended procedures for injector cleaning

60,000 miles

48 months

Replace fuel pump if necessary
Inspect fuel tank for damage or corrosion
Perform full fuel system diagnostic

Replace components only with BMW-approved parts

Frequently Asked Questions

Find answers to common questions about torque specifications

What type of fuel is recommended for the 2014-2016 BMW 435i?

The 2014-2016 BMW 435i requires premium unleaded gasoline with an octane rating of 91 or higher. Using lower octane fuel may result in reduced performance and engine knocking.

What is the fuel tank capacity of the 2014-2016 BMW 435i?

The fuel tank capacity of the 2014-2016 BMW 435i is 15.8 gallons (60 liters). This allows for an estimated range of approximately 400-500 miles depending on driving conditions.

Can I use ethanol-blended fuel in the 2014-2016 BMW 435i?

Yes, the 2014-2016 BMW 435i can use ethanol-blended fuel with up to 10% ethanol (E10). However, fuels with higher ethanol content (e.g., E15 or E85) are not recommended as they may cause damage to the fuel system and engine components.

What is the fuel economy of the 2014-2016 BMW 435i?

The 2014-2016 BMW 435i has an EPA-estimated fuel economy of 20 mpg in the city and 30 mpg on the highway. Actual fuel economy may vary based on driving habits, road conditions, and vehicle maintenance.

How often should I replace the fuel filter in the 2014-2016 BMW 435i?

The fuel filter in the 2014-2016 BMW 435i is designed to last the lifetime of the vehicle under normal driving conditions. However, if you experience reduced performance or fuel delivery issues, it may need to be inspected and replaced by a certified technician.

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

A detailed guide on maintaining the fuel system of your BMW 435i, including tips for optimal performance and longevity.

Understanding Octane Ratings

Coming Soon

Learn about octane ratings and why using the correct fuel is crucial for your BMW 435i's engine performance.

Ethanol-Blended Fuels and Your BMW

Coming Soon

An explanation of how ethanol-blended fuels affect your BMW 435i and what you need to know to avoid potential issues.

Fuel Economy Tips for BMW Owners

Coming Soon

Practical tips to improve fuel economy and reduce fuel consumption in your BMW 435i.

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