BMW Z4 sDrive28i Owner's Manual page 130

Entertainment
Information on connection
▷ The connected audio device is supplied with
a max. power of 500 mA if supported by the
device. Therefore, do not additionally con‐
nect the device to a socket in the vehicle;
otherwise, playback may be compromised.
▷ Do not use force when plugging the con‐
nector into the USB interface.
▷ Do not connect devices such as fans or
lamps to the USB audio interface.
▷ Do not connect USB hard drives.
▷ Do not use the USB audio interface to re‐
charge external devices.
130
Professional Radio
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