154n
Master key with battery lamp
If light intensity drops, renew the bat-
tery to safeguard against acid escaping.
Battery change
1 Remove the cover on the back of the
key with a screwdriver.
2 Insert a new battery of the same type
(CR 2025; refer to the illustration) so
that it touches the contacts.
3 Snap the cover into place and apply
uniform pressure to seat it.
365de132
Return used batteries to a
recycling point or to your BMW
center.<
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