BMW 335i Convertible 2009 - Manual (Page 160)

CD player and CD changer
158
Malfunctions with individual CDs/DVDs
If malfunctions only occur with individual CDs/
DVDs, one of the following factors may be the
cause.
Self-recorded CDs/DVDs
Possible reasons for malfunctions with self-
recorded CDs/DVDs are, e.g. inconsistent data-
creation or recording processes, or poor quality
or high age of the CD/DVD blank.
Only label CDs/DVDs on the top, with a pen
designed for this purpose.
Damaged CDs/DVDs
Avoid leaving fingerprints, as well as dust,
scratches or moisture on the CDs/DVDs.
Keep CDs/DVDs in protective sleeves or cases.
Do not subject CDs/DVDs to temperatures over
122
7/506, high levels of humidity or direct
sunlight.
CDs/DVDs with copy protection
CDs/DVDs are often copy-protected by the
manufacturer. This can mean that some CDs/
DVDs cannot be played or can only be played to
a limited extent.
Care
Clean the reflective signal side of CDs/DVDs as
needed by wiping it with a commercially avail-
able cleaning tissue in straight lines from the
center of the disc outwards.
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