BMW 3 Owners & Service Manuals

BMW 3: Fuel supply

For the operation of the combustion engine, the G20 PHEV is equipped with a pressurized fuel tank. As a result during purely electric driving it is guaranteed that the gasoline fumes remain in the pressurized fuel tank. Only with the operation of the combustion engine is fresh air drawn in by the carbon canister for purging and the gasoline fumes are directed to the combustion chamber.

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 Components and their installation location

G20 PHEV components of the fuel supply in European version Carbon canister Pressurized fuel tank (in cast aluminum housing) Fuel filler flap with cover Fuel tank isolation valve Cable for

 System wiring diagram

G20 PHEV, system wiring diagram for fuel supply Integrated supply module Digital Motor Electronics (DME) Shutoff valve purge air line (only for US version) Body Domain Controller (BDC) Fue

 Refuelling

The pressurized fuel tank must be vented before refuelling. To initiate the refuelling procedure, the button in the driver's door first needs to be operated. The button is not active when the vehicl

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 Connections

Connections, electrical machine Transmission bell housing Temperature sensor Coolant ducts Connection for coolant (transmission oil) Electrical connection, rotor position sensor High-voltage connection There are four connections of the electrical machine on the housing of the automatic tra

 USB connection

General information Mobile devices with a USB port are connected to the USB interface. Mobile phones. Audio devices such as MP3 players. USB storage devices. Common file systems are supported. FAT32 and exFAT are the recommended formats. A connected USB storage device will be supplied with ch

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