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      09-05-2011, 01:41 PM   #1
JPatrick
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CTEK 7002 Trickle Charge

Anyone use the CTEK 7002 charger for an extended period of time? My 2011 M3 has to sit in the garage for about a month (unattended) and I was going to hook up the CTEK to the battery terminals in the engine bay. I have not done this before for an extended period. Is it completely safe? Thanks.
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      09-05-2011, 01:59 PM   #2
PhillyNate
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The 2011's and maybe earlier have a "glass" battery, the 3 letter acronym escapes me right now. I think it's AGM. Anyway from what I've read you have to use a particular type of trickle charger on these types of batteries. I think that CTEK is the right kind though. Do your research. Good luck
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      09-05-2011, 04:02 PM   #3
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should be fine fella, ive got a uk version of a ctek xs3600 and had my csl and m3 hooked up over long periods without a problem.
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      09-05-2011, 05:01 PM   #4
KenH
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I have been using one on a little-used Porsche 997 that I bought new in December 2004. It still has the original battery ! I started with the 7000 model then bought another which was the 7002.
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