BMW M5 Automobile User Manual


 
154n
Battery
Charge condition
You can read the charge condition of the
battery with the "Magic Eye
*" (a hydro-
meter):
> Green: Adequate charge.
> Black: Not adequately charged. The
battery has to be recharged. Please
contact your BMW center for addi-
tional information.
> Yellow: Replace the battery.
The service life specified for the
battery can be achieved only if it is
always kept adequately charged. Check
the charge condition of the battery fre-
quently if the vehicle is used primarily
for driving short distances.<
39mde055
Removal and installation
Do not disconnect the battery
when the engine is running. If you
do so, the ensuing voltage surge will
damage the vehicle's onboard electron-
ics.
Do not alter the positive terminal wiring
in any way. If you do so, the Battery
Safety Terminal's safety function will no
longer be guaranteed. Repair and dis-
posal must be performed by trained
technicians only.<
39mde056
When removing the battery, disconnect
the cable on the negative terminal first,
then the cable on the positive terminal.
When installing a battery, connect the
positive terminal first, then connect the
negative terminal.
When installing the battery, be
sure that it is mounted securely in
the battery well and that the cover is in-
stalled. If the battery is not mounted
and fastened properly, it will not be ad-
equately secured in case of an acci-
dent.<
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