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      01-28-2013, 05:00 PM   #1
M3amigos
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Drives: 2008 Jerez Black E93 6MT
Join Date: Nov 2012
Location: Orlando, FL

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Battery Replacement and Recoding

I started getting the symptoms of a bad battery on my 08 E93, slow clock and low battery warning while the car is off. The dealer quoted approx $290 for the battery plus installation. I was able to find aftermarket AGM batteries with comparable specs at Napa, Autozone, and Sears that cost much less. Has anyone had any bad experiences with any of these aftermarket batteries? I'm leaning towards the Sears Die Hard Advance Gold currently on sale for $144 and I'll just install it myself.

What is the most inexpensive way to code for the replacement? Should I just buy a coding cable from one stop and do it myself? Has anyone found any cheaper cables that work just as well?