BMW M5 Owner's Handbook Manual page 145

The CD changer automatically reads in the CDs
in the changer and is then operational.
Notes
BMW disc drives and changers are offi-
cially designated Class 1 laser products.
Never use them if the cover is damaged, other-
wise there is a risk of serious eye injuries.
Do not use CDs/DVDs with adhesive labels that
have been affixed subsequently, as these may
peel off while in the drive as a result of the tem-
peratures to which these media are exposed
during playing, and could damage the system
irreparably.
Use only round CDs/DVDs with a standard
diameter of 12 cm (5 in) and do not use CDs/
DVDs in conjunction with adapters, e.g. CD
singles, otherwise the CDs or the adapter could
jam and be impossible to eject.
Do not use combined CD/DVDs, e.g. DVD
otherwise the CD/DVD could jam and be impos-
sible to eject.<
Faults
A high level of humidity may cause the CD/DVD
or laser beam focusing lens to fog over and
temporarily prevent the CD/DVD from being
played.
If a CD/DVD will not play even though it is in the
drive, check whether the CD/DVD has been
inserted the right way up or is defective.
Your BMW's disc drives and changers have
been optimised for playing media in the car.
Faults on a CD/DVD will be more noticeable as a
result. If faults occur on specific CDs/DVDs,
please note the following.
CDs/DVDs with copy protection
CDs/DVDs are often copy-protected by the
manufacturer. This could result in CDs/DVDs
being impossible to play, or only playable with
restrictions.
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Self-recorded CDs/DVDs
When playing self-recorded CDs, faults may
occur e.g. as a result of inferior-quality media
and poorer resistance to ageing.
Only write on the upper side of CDs/DVDs using
a special marker pen.
Damaged CDs/DVDs
Avoid causing fingerprints and protect against
dust, scratches and moisture.
Store CDs/DVDs in a case.
Do not expose CDs/DVDs to temperatures in
excess of 50° C, high atmospheric humidity and
direct sunlight.
Care notes
For useful information on this subject, see the
booklet Looking after your car.
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