BMW 750i 2015-present Fuel System Specifications

• Premium unleaded gasoline with an octane rating of 91 AKI (Anti-Knock Index) or higher is required.
• Do not use gasoline with an octane rating below 89 AKI to prevent engine knocking.
• Ethanol blends up to 10% (E10) are acceptable.
• Avoid using diesel or alternative fuels as they are incompatible with the engine.

• BMW recommends using fuel additives that meet BMW specification LL-04.
• Additives should be used sparingly and only as directed to avoid engine damage.
• Avoid using additives containing metal compounds or silicone.
• Regular use of BMW-approved additives can help maintain fuel system cleanliness.

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

• The fuel tank has a capacity of 20.6 gallons (78 liters).
• Constructed from high-density polyethylene for durability and corrosion resistance.
• Equipped with a dual-chamber design to optimize fuel delivery.
• Includes a fuel level sensor with an accuracy of ±2%.

• The high-pressure fuel pump operates at a pressure of up to 2,900 psi (200 bar).
• Direct fuel injection system with piezo-electric injectors for precise fuel delivery.
• Injectors are designed to handle multiple injection events per combustion cycle.
• Fuel pump flow rate is 1.5 gallons per minute (5.7 liters per minute).

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

• EPA-estimated fuel economy: 20 mpg city / 30 mpg highway.
• Combined fuel efficiency rating of 24 mpg.
• Equipped with an Eco Pro mode to optimize fuel consumption.
• Start-stop technology reduces fuel consumption during idle periods.

• Complies with Euro 6 and ULEV (Ultra Low Emission Vehicle) standards.
• Equipped with a catalytic converter and particulate filter.
• NOx emissions are reduced by up to 90% compared to previous models.
• CO2 emissions are rated at 198 g/km.

Note: Regular emissions system checks are recommended to maintain compliance.