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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 Tire tread

Summer tires Do not drive with a tire tread of less than 0.12 in/3 mm, otherwise there is an increased risk of hydroplaning. Winter tires Do not drive with a tire tread of less than 0.16 in/4 mm, as such tires are less suitable for winter operation. Minimum tread depth Wear indicators are distribut

 ECO PRO

Concept ECO PRO supports a driving style that saves on consumption. For this purpose, the engine control and comfort features, for instance the climate control output, are adjusted. Steptronic transmission: under certain conditions the engine is automatically decoupled from the transmission in the

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