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Old 02-04-2013, 11:16 AM
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SilverX3 SilverX3 is offline
Officially Welcomed to the 'Fest
Location: Australia
 
Join Date: Sep 2005
Posts: 3,497
Mein Auto: 130i & E92 325i, E90 SOLD
Do a voltage check
At rest engine off voltage should be min 12v
At charge engine on should be 14v or about

At rest if your battery less than 11v then it s time to replace battery
At charge if battery about 12v then time to check the alternator
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