Is it the battery?

LuisBoston · 02-07-2013, 04:09 PM

So two weeks ago I was in VT and the temp went below zero. Car was very slow to start that morning. Ever since if I leave the radio on upon turning the car off the battery light comes on. Time to replace the battery I think.

Well, the battery indicator is clear/black, not yellow. What gives? Car starts just fine when it's above 20F.

I have had the car 5 years (bought CPO with 22k on it), and I Haven't replaced the battery...

deluxe 247 · 02-07-2013, 04:18 PM

If its been at least 5 years it's probably a safe bet your battery is on it's way out, you could always get it checked.

Mr.Ritz · 02-07-2013, 05:18 PM

Mine was yellow and it was the battery.. but your battery is 5 years old. Id say go grab a battery from autozone 127.00 dollars or napa 119.99 and put it in. Don't forget to have someone reg the battery for you and don't change to AGM they have to program the computer.

LuisBoston · 02-07-2013, 05:52 PM

Yeah, the only thing that bugs me is the window was clear/black, not yellow. I WISH it were yellow.
I have this posted elsewhere and they're telling me it could be the starter !?

sankohuy · 02-08-2013, 04:28 AM

I'm pretty sure it's the battery. I have the same problem. My radio won't work without having the engine running. Angel/tail lights no longer turns on when unlocking. REST figure was also disabled. My car starts just fine btw.

Tom K. · 02-08-2013, 12:18 PM

Given the Low Batt. Voltage warning, you might also have the IBS checked.

Tom

LuisBoston · 02-08-2013, 01:26 PM

Quote:

Originally Posted by Tom K.

Given the Low Batt. Voltage warning, you might also have the IBS checked.

Tom

What's IBS?

Tom K. · 02-08-2013, 04:53 PM

Quote:

Originally Posted by lem144

What's IBS?

This is one of the best explanations I've seen:

http://www.bimmerforums.co.uk/forum/...ew-one-t61493/

When mine developed an intermittent fault, it caused the alternator to overcharge at a rate of 17.5 volts which resulted in stalling, low battery warnings, etc.

Tom

blackbeast06 · 02-08-2013, 05:56 PM

I have a brand new battery for sale if you need it. its oem.

LuisBoston · 02-08-2013, 06:34 PM

Quote:

Originally Posted by blackbeast06

I have a brand new battery for sale if you need it. its oem.

Thanks. Apparently you can't ship them. Also, they're very specific. What model do you have?

blackbeast06 · 02-09-2013, 05:29 PM

Quote:

Originally Posted by lem144

Thanks. Apparently you can't ship them. Also, they're very specific. What model do you have?

exide 640 cca,140 rc, 80ah

LuisBoston · 02-10-2013, 06:58 PM

Quote:

Originally Posted by blackbeast06

exide 640 cca,140 rc, 80ah

I have the 90ah

02-07-2013, 04:09 PM	#1
LuisBoston Major Drives: '13 128i 6mt m-sport Join Date: Feb 2008 Location: Boston Posts: 1,408 iTrader: (2) Garage List 2007 328xi [0.00]	Is it the battery? So two weeks ago I was in VT and the temp went below zero. Car was very slow to start that morning. Ever since if I leave the radio on upon turning the car off the battery light comes on. Time to replace the battery I think. Well, the battery indicator is clear/black, not yellow. What gives? Car starts just fine when it's above 20F. I have had the car 5 years (bought CPO with 22k on it), and I Haven't replaced the battery... __________________ Would rather take the bus than drive an automatic. 2013 BMW 128i 6MT MGM/CR. M-sport/Premium/Cold, HK, Xenons, Fineline trim, Security System, BMW Assist, BMW SSK and PE. European Delivery 7-12-2013. SOLD: 2007 BMW 328xi 6MT BSM/Terra
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02-07-2013, 04:18 PM	#2
deluxe 247 Shake and Bake Drives: the girls crazy Join Date: Mar 2011 Location: San Diego Posts: 409 iTrader: (3)	If its been at least 5 years it's probably a safe bet your battery is on it's way out, you could always get it checked. __________________ 2007 Space Gray E92 335i 6 speed
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02-07-2013, 05:52 PM	#4
LuisBoston Major Drives: '13 128i 6mt m-sport Join Date: Feb 2008 Location: Boston Posts: 1,408 iTrader: (2) Garage List 2007 328xi [0.00]	Yeah, the only thing that bugs me is the window was clear/black, not yellow. I WISH it were yellow. I have this posted elsewhere and they're telling me it could be the starter !? __________________ Would rather take the bus than drive an automatic. 2013 BMW 128i 6MT MGM/CR. M-sport/Premium/Cold, HK, Xenons, Fineline trim, Security System, BMW Assist, BMW SSK and PE. European Delivery 7-12-2013. SOLD: 2007 BMW 328xi 6MT BSM/Terra
	0

02-08-2013, 04:28 AM	#5
sankohuy Private First Class Drives: E92 335i Join Date: Oct 2012 Location: norcal Posts: 192 iTrader: (0)	I'm pretty sure it's the battery. I have the same problem. My radio won't work without having the engine running. Angel/tail lights no longer turns on when unlocking. REST figure was also disabled. My car starts just fine btw. __________________
	0

02-08-2013, 05:56 PM	#9
blackbeast06 adrenergic stimulation Drives: 2007 E92 335i Join Date: Dec 2009 Location: Akron Posts: 280 iTrader: (4) Garage List 2006 325i [0.00]	I have a brand new battery for sale if you need it. its oem. __________________ 07 335i. Montego Blue/Saddle Brown. 6 MT. [IMG] bm insta by senntera, on Flickr[/IMG]
	0

02-07-2013, 05:18 PM	#3
Mr.Ritz Captain Drives: Corvette Join Date: Mar 2011 Location: FL Posts: 909 iTrader: (0)	Mine was yellow and it was the battery.. but your battery is 5 years old. Id say go grab a battery from autozone 127.00 dollars or napa 119.99 and put it in. Don't forget to have someone reg the battery for you and don't change to AGM they have to program the computer.
	0

02-08-2013, 12:18 PM	#6
Tom K. Major General Drives: '07 328iT, '13 Boxster Join Date: Mar 2008 Location: Maryland Posts: 5,357 iTrader: (0)	Given the Low Batt. Voltage warning, you might also have the IBS checked. Tom
	0

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