BMW 3 ELECTICAL SYSTEM Technical Information

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BMW
Rescue manual
Information for emergency service personnel
January 2015
Foreword
Essential information
Medical aspects
Technical aspects
BMW Assist emergency call
Response of the restraint and safety systems after an accident
Notes for using emergency equipment
Opening doors
Opening doors
Forcing dashboard forwards
Forcing dashboard forwards
Electric seat adjustment
Securing vehicles
Safety concepts and systems
Identification of safety systems
Airbag - technical information
Driver's airbag
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Inhaltsverzeichnis

Seite 1 - Rescue manual

BMW Rescue manual Information for emergency service personnel January 2015 ForewordEssential informationMedical aspectsTechnical aspectsBMW Ass

Seite 2

Secure the continuous loop to the rear or front by passing through the window openings and affix to a suitable counter support. Front and rear axles

Seite 3

. Belt tensioners No identification The vehicles contain four kinds of systems for reducing belt slack: Mechanical belt tensioners Pyrotechnic belt

Seite 4

Triggered driver's airbag The driver's airbag is located in the steering wheel's impact absorber. Acceleration is recorded and evalua

Seite 5 - Opening doors

Side airbag not triggered The side airbags are located behind the side trim panel in the door in most BMW models. On some BMW models, as well as on

Seite 6 - Forcing dashboard forwards

AITS for front and rear seat passengers (triggered) The AITS head airbag is a head protection system like the ITS. Its advantage, however, lies in i

Seite 7

Knee airbag on driver's and passenger's sides. In the event of a crash, when the driver or front passenger is not wearing a seat belt, the

Seite 8 - Electric seat adjustment

Seat-integrated belt system (SGS) All the systems have the same goal of reducing belt slack. This is the biomechanical load to which the human body i

Seite 9 - Securing vehicles

Pyrotechnic retractor tensioner . Pyrotechnic end fitting pretensioner . The pyrotechnic retractor tensioner reduces belt slack by creating fricti

Seite 10 - Safety concepts and systems

In the seat-integrated belt system (SGS) all the belt elements, including the reversing points, are moved into the seats. In the event of a crash, a

Seite 11 - Driver's airbag

The active head restraints are integrated into the driver's and front passenger seats. Function In the event of a rear-end collision, the head

Seite 12 - Side airbag

Front passenger airbagSide airbagITS head airbagAITS head airbagHead airbagKnee airbagSafety mechanismsBelt tensioner - technical information

Seite 13 - AITS head airbag

On models in the 6-Series (E64), the rollover sensor is located in one of the satellites. The rollover protection bars are retracted in the structure

Seite 14 - Knee airbag

. An optical fibre is integrated between the bumper support and impact absorber. The optical fibre is connected to a sensor and passes in a loop aro

Seite 15 - Safety mechanisms

optimised and therefore the safety of the occupants is increased. Modern heavy duty cutting equipment is mandatory for cutting the body; older hydraul

Seite 16

. Safety battery terminal The safety battery terminal is fitted on the battery's positive terminal. The ignition squib of the safety battery t

Seite 17 - Seat-integrated belt system

BMW Active E, E82, see 1-Series emergency services card. MINI E, see MINI E emergency services card. BMW eDrive, see emergency services card I01, I

Seite 18 - Active head restraint

The gas generator has been designed so that it will be triggered normally when exposed to fire if the surface temperature of the gas generator exceeds

Seite 19 - Roll-over protection system

BMW i - the safety of the eDrive is an essential element of all BMW i vehicles The safety of the eDrive is an essential element of product developme

Seite 20 - Active engine compartment lid

Electric motor(s) and alternator(s) High-voltage component overview based on the example of the X6 ActiveHybrid E72: Item Explanation 1 Electrica

Seite 21 - Body and materials

High-voltage component overview based on the example of the 3 Series active hybrid 3 F30: High-voltage safety With improper use, the high voltage in

Seite 22

High-voltage battery including high-voltage rescue separation point Example X6 Active HybridE72 . Example of a 3 Series active hybrid 3 F30: The h

Seite 23 - High-voltage battery

2 Essential information3 Rescue & Recovery4 TowingForeword One of the main priorities of the products developed and realised by BMW is optimum

Seite 24

In hybrid technology, electrical machine electronics are used to convert currents. The electrical machine electronics are called an inverter. It con

Seite 25

High-voltage cables The high-voltage cables (1) connect the high-voltage components to each other, for example the high-voltage battery with the mac

Seite 26

First aid & recovery of vehicles with high-voltage systems according to the German Association of the Automotive Industry) FAQ (Frequently Asked Q

Seite 27

2.4 Is it possible for emergency service personnel to manually deactivate a HV system? Yes, electric or hybrid cars offer various ways of manually d

Seite 28 - High-voltage safety

6.1 What do I need to be aware of if an electric or hybrid HV vehicle connected to a charging station is involved in an accident? If possible, pull

Seite 29

Country- and operator-specific tunnel regulations are to be observed. . 8.5 How should damaged electric or hybrid cars be parked and kept safe? For

Seite 30 - Electric machine

off. The high-voltage system (IT system) consists of two separate circuits (HV+, HV-), which are completely decoupled from the 12 V vehicle electrical

Seite 31

A switched off high-voltage system can be identified via the Check Control message "High-voltage system deactivated" in the instrument clust

Seite 32

Underneath the opening, the electrical machine electronics (1) and the electrical machine are located on the left hand-side while the range extender (

Seite 33

Pull off high-voltage connector (1) upwards. . 8. Measuring the de-energised state at the high-voltage connector. The disconnected high-voltage ca

Seite 34

Visual inspection to see what restraint and safety systems are fitted Special features on the vehicle body which may influence the use of hydraulic

Seite 35 - 1 Introduction

In the next step, measurements can be taken from each of the contacts to the housing of the electrical machine electronics. The housings of all high

Seite 36 - 3 Rescue & Recovery

thermal response will take place. Monitoring the high-voltage battery with a thermographic camera is therefore recommended. Trapped persons can be re

Seite 37

however designed to be intrinsically safe on the inside. This includes, for example, an adequate touching protection. All high-voltage cables can be p

Seite 38

When lifting the vehicle, the areas surrounded by red colour may not be used as a supporting area (exception: after a fire) . Expert guide BMW I12

Seite 39

emergency service personnel is to be assumed, a qualified electrical specialist needs to be consulted. In case of severe accidents with the risk of da

Seite 40

High-voltage emergency separation point open. . 3.1.2 Determine voltage free status A switched off high-voltage system can be identified via the

Seite 41

the high-voltage battery. When extinguishing the fire, audible processes can occur inside the high-voltage battery. This takes place in the safety val

Seite 42 - 4 Towing

After recovery of the vehicle out of water the high-voltage system is to be switched-off by removing the high-voltage service disconnect and disconnec

Seite 43 - Expert guide BMW I12

The vehicle must not be pulled or towed. Transportation is possible exclusively on a truck. Any other variants of towing away a vehicle are forbidden.

Seite 44

2 Essential information 2.1 Vehicle type The BMW 530Le is a PHEV. The abbreviation PHEV stands for "Plug-in Hybrid Electric Vehicle" – a mo

Seite 45

Example: Propping up vehicles The vehicles can be propped up from underneath the whole of the side sill. The precise position and number of prop point

Seite 46

Installation position of high-voltage battery behind the rear seat bench . The high-voltage system is to be switched off by removing the small pole

Seite 47

Note: The display requires the 12 V batteries to be connected and a terminal change (stop and start vehicle via start/stop button) to be carried out

Seite 48

. 6. Disassemble the rear seat bench by the reaching underneath and pulling firmly. . 7. Disassemble the rear seat backrest - Release the screw co

Seite 49

. . The high-voltage battery is located behind the rear seat backrest. - Detach the rear seat backrest by lifting. Page 53 of 66<!---->2/24/

Seite 50

. 8. Disconnect high-voltage connector . 9. Measure the de-energised state at the high-voltage connector The disconnected high-voltage cable is di

Seite 51

housings of all high-voltage components are connected via GND by means of potential compensation lines. If a high-voltage potential is present at the

Seite 52

Note: The high-voltage cables of the high-voltage battery can be identified by their considerably greater cross-section. If the insulation is melted d

Seite 53

The vehicle must not be pulled or towed. Transportation is possible exclusively on a truck. Any other variants of towing away a vehicle are forbidde

Seite 54

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. Alw

Seite 55

If the high-voltage rescue separation point behind the trim panel cannot be accessed, the high-voltage system is switched off at the large high-voltag

Seite 56

Starting points for opening the doors on the A-and/or B-pillar 1. Use the hydraulic emergency spreader to force the window frame apart. This produce

Seite 57 - Expert guide BMW F15PHEV

4. Remove the trim panel components. . After lifting the luggage compartment floor cover: . 5. Disconnect 12 V battery at the negative terminal.

Seite 58

. 7. Disassemble luggage compartment floor cover: . - Raise front section, loosen Torx screws T50 (1), remove damper (2) and remove luggage compar

Seite 59

. 8. Disconnect high-voltage connector . 9. Measure the de-energised state at the high-voltage connector The disconnected high-voltage cable is di

Seite 60

. In the next step, the voltage of each of the two contacts to the housing of the electrical machine electronics is measured. The housings of all hi

Seite 61

. 3.2 Vehicle on fire In general, all statutory requirements relating to a conventional vehicle on fire are to be observed. No explosion will occu

Seite 62

avoided. . 3.4 Split or separated high-voltage battery The voltage within the high-voltage battery cannot in principle be switched off. The high-vol

Seite 63

recommended. When lifting the vehicle, the areas surrounded by red colour may not be used as a supporting area (exception: after a fire) . © 2015 B

Seite 64

1. Place material under the vehicle floor to prevent the base from caving in. 2. Carry out glass management (including cutting through the front win

Seite 65

1. Place material under the vehicle floor to prevent the base from caving in. 2. Carry out glass management (including cutting through the front win

Seite 66

Since the seats in vehicles with electric seat adjustment cannot be adjusted once the battery has been disconnected, under certain circumstances we

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