Safety of the high-voltage system -> Contact with water for your BMW i4 2021-2025

Safety of the high-voltage system  
NOTES  
Safety of the high-voltage system  
Water in the footwell, for instance after a  
rainstorm when the window was kept open.  
Vehicle features and options  
The vehicle is in water up to the allowed  
height.  
This chapter describes model-specific equip-  
ment, systems, and functions that are currently  
available, or may become available in the fu-  
ture, even if they are not present in the vehicle.  
General driving instructions, driving through  
water, refer to page 276.  
Additional information:  
Fluid escapes in the cargo area.  
Vehicle equipment, refer to page 8.  
Contact with ground  
Working on the vehicle  
Note the ground clearance to prevent damage  
to the high-voltage system. If the vehicle floor  
has come into contact with the ground, have  
the vehicle checked by an authorized service  
center or another qualified service center or  
repair shop.  
General information  
The manufacturer of the vehicle recommends  
that no changes be made to the vehicle, for  
instance installation of retrofitting accessories,  
that will have an effect on the vehicle’s high-  
voltage system.  
Additional information:  
General driving instructions, ground clearance,  
refer to page 276.  
Safety information  
Monitoring of the high-  
voltage battery  
Warning  
Improperly performed work, in particular  
maintenance and repair on the high-voltage  
system, can lead to electric shock. There is a  
risk of injury, fire and danger to life.  
Principle  
The temperature in the high-voltage battery is  
monitored.  
It is recommended that the work on the ve-  
hicle, in particular maintenance and repair,  
is performed by an authorized service center  
or another qualified service center or repair  
shop.  
Any unusually high temperature in the high-  
voltage battery is indicated.  
Safety information  
Warning  
Contact with water  
An unusually high temperature of the high-  
voltage battery can cause a formation of gas  
and smoke. There is a risk of injury or dan-  
ger to life. In case of noticeable unusual odor  
The high-voltage system is typically safe even  
in the following example situations:  
19  
Online Edition for Part no. 01405B45E30 - VI/24