BMW 3 Owners & Service Manuals

BMW 3: Drive Components

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 Introduction

In the G20 PHEV, the B46B20O1 is an element of the BMW hybrid drive. The 4-cylinder engine, which generates power of 135 kW (180 hp) and a maximum torque of 300 Nm, guarantees mo

 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

 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

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 Emergency braking function

Regenerative braking with help of the drivetrain only effects the rear axle. The brake force on the rear axle must not exceed a specific value in proportion to that on the front axle. This would otherwise compromise driving stability. This is also why there is a limit to the maximum deceleration

 BMW Roadside Assistance

Concept Contact the BMW Group Roadside Assistance if assistance is needed in the event of a breakdown. General information In the event of a breakdown, data on the vehicle's condition is transmitted to the BMW Roadside Assistance. There are various ways of contacting BMW Roadside Assistance. Via

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