BMW 3 ELECTICAL SYSTEM Technical Information PDF herunterladen (Seite 35)

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Country- and operator-specific tunnel regulations are to be observed.

8.5 How should damaged electric or hybrid cars be parked and kept safe?

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For reasons of fire safety, electric or hybrid cars should be parked just like conventional vehicles in a closed-off

area of an outdoor parking area with sufficient clearance to other vehicles, buildings and combustible objects.

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The vehicle should be marked accordingly.

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This is particularly important if the vehicle is delivered to the site outside of working hours.

9. Further information

The following rule has proved useful in helping the fire service identify alternative drive technology:

A = Leaking operating fluids

U = Check vehicle underbody

T = Open fuel filler cap

O = Check surface

The most updated version of the FAQ (Frequently Asked Questions) of the German Association of the Automotive

Industry can be found here: http://www.vda.de/en/publikationen/publikationen_downloads/detail.php?id=1200

Additional notes on electrical hazards at fires are described in BGI/GUV-I 8677 (governing electrical hazards at fires).

Expert guide BMW I01

1 Introduction

This guide is to be followed after a severe accident when the emergency service personnel is in doubt about the state of

the high-voltage system.

Always observe country-specific guidelines.

In case the intrinsic safety of the vehicle is suspected not to be present any longer and a dangerous situation for the

emergency service personnel is to be assumed, a qualified electrical specialist needs to be consulted.

In case of severe accidents with the risk of damage to the high-voltage battery being present, the high-voltage battery is

automatically disconnected from the high-voltage system.

Prior to any further work on the vehicle (e.g. repair, recycling), an inspection must be carried out by suitably qualified

personnel, according to the BMW specification.

The high-voltage system is generally to be considered intrinsically safe. In the event of an airbag deployment, there are

two switch-off mechanisms in the vehicle that switch off the high-voltage system. The system is switched off by

disconnecting the safety battery terminal at the 12-volt positive terminal of the battery, as well as via a CAN message that

disconnects the voltage supply of the battery contactors in the high-voltage battery, which causes the system to switch

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BMW 3 ELECTICAL SYSTEM Technical Information Seite 35