5' E39 525i BATTERY

BATTERY
No. Description Supp. Qty  From    Up To  Part Number Price Notes
Important notice!
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Compliance with the following
information and instructions for correct
battery replacement is absolutely
mandatory!
- ISTA Document
RA_61_20_Instructions_for_battery_
replacement
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For additional information, see:
- Battery master document
ISTA_Document_SI_61_07_02_(875)
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The original battery (battery size and
type) as indicated in the vehicle's
order specifications must always be
installed to ensure correct operation of
the on-board electrical system!
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If the vehicle is equipped with an IBS
(Intelligent Battery Sensor), the
battery must be registered via the
diagnostic system (ISTA); this process
also registers the battery with the
vehicle's on-board electrical system.
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Standard batteries can always be
replaced by AGM batteries with the same
specifications.
Following either type of replacement,
the vehicle registration process in
ISTA/P must be supplemented by a vehicle
coding procedure, which is carried out
as follows:
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Read out battery size and registration
from onboard electrical system:
ISTA->Service functions->Body->Voltage
supply->Register_battery replacement->
Test plan
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01EP Battery 70AH161212353806
01EP Battery 80AH161212353808
01EP Battery 90AH161212353810
01EP Battery 70AHAGM161212353811
01EP Battery 92AHAGM161212353812
01EP Battery 110AH161212357334