BMW 3-Series (E90 E92) Forum - View Single Post

Ehwnnc · 09-13-2012, 09:43 PM

Get a test to see if the batery is sulfated. A easy way to test this is to charge the battery and if it goes above 15 volts then it is sulfated. a regular battery test will not tell you this. If it is good then start chasing wires

09-13-2012, 09:43 PM	#4
Ehwnnc Private First Class Drives: 135i Join Date: Mar 2012 Location: North Carolina Posts: 131 iTrader: (0)	Get a test to see if the batery is sulfated. A easy way to test this is to charge the battery and if it goes above 15 volts then it is sulfated. a regular battery test will not tell you this. If it is good then start chasing wires