BMW 3 Owners & Service Manuals

BMW 3: Opening and closing

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 Vehicle key

 General information

The vehicle is supplied with two vehicle keys with integrated key. Each vehicle key contains a replaceable battery. Depending on the equipment and country version, various settings can be configured

 Overview

Unlocking Locking Stationary climate control through Remote Engine Start Opening the trunk lid Press and hold or press three times in quick succession: panic mode Press briefly: headlight c

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 Power electronics for activation of the electrical machine

The power electronics for the activation of the electrical machine are mainly made up of the bidirectional DC/AC converter. It is a pulse converter with a 2-pin DC voltage connection and a 3-phase AC voltage connection. This DC/AC converter can work as an inverter and conduct electrical energy fr

 Valve gear

VANOS VANOS unit B46 engine and B46TU/B48TU engines VANOS B46 engine VANOS B46TU and B48TU engine Following the changeover from a two-part chain drive to a single-part chain drive, the camshaft sprockets on the VANOS now have 46 teeth instead of the previous 36 teeth. To compensate for the ad

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