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Old 02-12-2007, 08:35 AM   #49
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Join Date: Aug 2003
Location: Burke, VA
Posts: 7,635
My Ride: 2003 330i
Originally Posted by Koti View Post
Thanks for the info! That's a load off my shoulders...and wallet. I've checked online and couldn't find what optima battery works for the e46. Would you know where I could look? I checked optima's website and it said there was no equivalent.
Just measure the battery hole (you can use the stock battery as a reference), note the posts position (+, -), then go to optima's website and get the biggest battery that can fit in that hole.

If you have a big stereo system, get the yellow top, if not, just get the red top.
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