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      11-30-2012, 10:46 AM   #16

Drives: 2008 335i sedan
Join Date: Mar 2012
Location: New Jersey

iTrader: (0)

Originally Posted by gpb
EricP3: Do you drive your car frequently? Is it still on the original battery? If yes to both, and you've not changed your driving habits lately, then I'd say you're due for a battery. Across several vehicles and a couple decades, I've typically seen batteries die at around the four year mark. I heed the warning signs if any show up, as it's no fun getting stranded when the battery finally goes toes-up.

A trickle charger is good when a vehicle typically sits for multiple days between being driven; i.e. if your BMW was a weekend fun car that you took out on Saturdays, but otherwise it sat in your garage. Also they're good when putting a vehicle up for a while, such as storing a motorcycle for the winter.

Is it worth eking out a few more weeks on this battery, waiting until it fully fails before replacing it? The most recent battery I replaced died with no warning; I ran a couple errands at lunch one day, pulled into a coffee place on the way back to work and when I came back out my car (non-BMW) was 100% completely dead electrically. Thankfully I was in the same plaza as a repair shop and sorted it out easily, it could have been a lot worse. Imagine if it were Saturday evening with your date in the car? (or wife & kids if appropriate).
See I think that's my problem too. My commute to work is 3 miles one way. And I don't go on long car rides. I have an 08 with 40k miles and original battery. I think it's time I get new one before I'm stranded like you mentioned. I don't feel like calling AAA lol.! Do you recommend oem at dealer or going to like pepboys?
// JB4 ISO // Running Meth // Full FBO // E85 user //