BMW 3 Owners & Service Manuals

BMW 3: Hybrid Brake System

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 Introduction

The function of the brake system of the G20 PHEV is to decelerate the vehicle safely under stable conditions. Vehicle deceleration is made up of the following elements: Conventional hydraulic

 System overview

System overview of hybrid brake system Hydraulic braking Signal path Regenerative braking High-voltage battery unit Electric Motor Electronics (EME) Electric motor Drive train Digital Moto

 Hydraulic braking

G20 PHEV, hydraulic braking The brake booster is operated via the driver's foot operation, and the brake actuation is determined by means of the brake pedal angle sensor. Depending on the brak

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 Connecting rod - Crankshaft drive

Connecting rod Piston Area transferring the force Wrist pin Connecting rod bearing with shaped bore hole Connecting rod Connecting rod bearing (B46TU only) Small connecting rod eye (trapezoidal shape) Large connecting rod eye (cracked) Connecting rod bolts of the connecting rod bearing ca

 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

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