See also:

After refilling diesel exhaust fluid
Incorrect fluid Incorrect fluids After refilling with the incorrect fluid, e.g., antifreeze for windshield wiper fluid, do not start the engine because this could result in a fire hazard. ...

Tire inflation pressures for X6 xDrive50i
...

Important features in the engine compartment
1 Washer fluid reservoir 2 Vehicle identification number 3 Jump-starting, negative terminal 4 Jump-starting, positive terminal 5 Coolant reservoir 6 Oil filler neck ...