BMW I01 Product Information page 84

I01￿High-voltage￿Components
5.￿High-voltage￿Battery￿Unit
Bore￿hole￿for￿potential￿compensation￿screw
Index
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Similar￿to￿vehicles￿with￿a￿frame￿design,￿the￿Life-Drive￿concept￿is￿made￿up￿of￿two￿independent￿modules
separated￿horizontally.￿The￿"Life"￿module￿consists￿mainly￿of￿a￿high-strength￿and￿very￿lightweight
passenger￿cell￿made￿of￿carbon￿reinforced￿plastic.￿The￿"Drive"￿module,￿the￿chassis,￿forms￿the
stable￿base,￿in￿which￿the￿high-voltage￿battery￿unit￿is￿integrated.￿Crash-active￿structures￿made￿from
aluminium￿at￿the￿front￿end￿and￿rear￿end￿of￿the￿Drive￿module￿ensure￿additional￿safety￿in￿the￿event￿of
a￿head-on￿and￿rear-end￿collision.￿The￿high-voltage￿battery￿unit￿is￿located￿in￿the￿vehicle￿underbody
for￿the￿best￿possible￿protection￿as￿a￿vehicle￿suffers￿the￿least￿amount￿of￿deformation￿in￿this￿area￿in
the￿event￿of￿a￿crash.￿In￿the￿event￿of￿a￿side￿collision￿the￿high-voltage￿battery￿unit￿also￿benefits￿from
the￿crash￿properties￿of￿the￿Life￿module,￿as￿the￿entire￿energy￿is￿collected￿here￿and￿does￿not￿advance
as￿far￿as￿the￿energy￿storage￿device.￿Overall,￿the￿high-strength￿carbon￿passenger￿compartment￿in
conjunction￿with￿the￿intelligent￿force￿distribution￿in￿the￿LifeDrive￿module￿creates￿the￿prerequisite￿for
optimal￿occupant￿safety.
Three￿labels￿are￿attached￿at￿the￿high-voltage￿battery￿unit￿of￿the￿I01:￿one￿type￿plate￿and￿two￿warning
stickers.￿The￿type￿plate￿provides￿logistical￿information￿(e.g.￿part￿number)￿and￿the￿key￿technical￿data
(e.g.￿nominal￿voltage).￿The￿two￿warning￿stickers￿draw￿attention￿to￿the￿lithium-ion￿technology￿and￿the
high￿electrical￿voltage￿used￿in￿the￿high-voltage￿battery￿unit￿and￿alert￿people￿to￿associated￿possible
dangers.￿The￿following￿graphic￿shows￿where￿the￿three￿labels￿are￿located￿at￿the￿high-voltage￿battery
unit.
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Explanation
Frame￿(Drive￿module)
New￿bore￿hole￿for￿potential￿compensation￿screw￿in￿the￿event￿of￿a￿repair
Housing￿of￿high-voltage￿battery￿unit
Original￿bore￿hole￿for￿potential￿compensation￿screw￿ex￿works