Technical information

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?
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If possible, pull off the charging cable from the charging station/vehicle or switch off the charging station. The
charging cable must always be disconnected from the vehicle.
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Visually check cables and connectors for possible damage before removing them.
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In the event of a serious accident, the vehicle's HV system must be deactivated (see emergency services
datasheet).
Note: The vehicle's HV system can be active when stationary (e.g. stationary cooling), independently of the charging
station.
.
6.2 What if a charging cable is cut at a public charging station during the charging procedure of an electric
vehicle due to vandalism?
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The technical infrastructure of the public charging station has safeguards for this scenario and the charging
procedure is generally switched off.
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The operator of the public charging station should be informed.
.
7. Vehicles in water
7.1 Are there special risks to be aware of for an electric or hybrid car that enters water?
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In principle, in water there is no increased danger of an electric shock from the HV system.
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The notes as described in sections 2 and 3 apply.
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The procedure for recovery is identical to conventional vehicles.
This also apples for bodies made of carbon fibre composites.
.
7.2 If an electric or hybrid car enters the water, will the safety of water in a drinking water protection zone (e.g.
reservoir) be endangered?
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Compared with conventional vehicles, there is normally no additional danger for the drinking water.
.
8. Towing away, recovery, transport, BMW breakdown assistance and safekeeping
8.1 What should be borne in mind if an electric vehicle or hybrid car is to be removed from a danger area (e.g.
motorway construction site) by tow rope / towbar?
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The removal of the vehicle from the immediate danger area with a walking speed is in principle always
permitted.
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Further information on towing away can be obtained from the Owner's Handbook of the vehicle manufacturer.
.
8.2 What should be borne in mind when loading an electric or hybrid car after a serious accident?
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The HV system should be deactivated before loading. Notes on this can be found in the Owner's Handbook for
the vehicle or in the emergency services datasheet.
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In the event of transfer to the authorities representative / recovery company, it is recommended that these are
informed of the measures carried out by the fire service (HV deactivation). Specifically, they must be informed
of the potential danger from damaged HV components (e.g. electric shock or risk of fire from the battery pack).
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National regulations / standards for loading and transport must be observed (in Germany: BGI 800 and BGI
8664, BGI 8686 and BGI 5065).
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If the vehicle is transferred to third parties, it is recommended to communicate and confirm in written forms the
measures carried out.
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When lifting the vehicle with a crane/jack or when loading it, it is recommended to keep in mind the following:
When working with a winch, make sure that no HV components are/were damaged.
.
8.3 What should be borne in mind when it comes to transporting/towing away electric vehicles or hybrid cars
that have been involved in an accident?
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The vehicle should always be transported on a flatbed trailer or in accordance with the manufacturer's
stipulations.
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When towing away in a hoisting frame, damages to the electrical/hybrid system may occur when the driving
axle(s) remain/remains on the street. Note: Be aware of vehicles with four-wheel drive!
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Where possible, vehicles with damaged batteries should be transported to the nearest suitable BMW
authorised workshop or to a safe place of storage (see also question 8.5).
.
8.4 Are regulations in place that restrict passage through a tunnel when a towing vehicle is loaded with a
damaged electric or hybrid car?
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No, the rules of the ADR do not apply to battery-powered vehicles and hybrid cars.
(Accord européen relatif au transport international des merchandises Dangereuses par Route - European
Agreement For the International Carriage of Dangerous Goods by Road )
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In consideration of previous measures (see 8.2) and the degree of damage, the recovery company must
ensure the road safety of the transport. Be aware of the potential danger from damaged HV components (e.g.
electric shock or risk of fire from the battery pack).
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