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Old 11-07-2012, 05:27 AM
richbmw richbmw is offline
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Location: MO
Join Date: Aug 2005
Posts: 30
Mein Auto: '11 e92 328i 6MT
I have had the BMW one, which is a battery tender, for several years and have used it on both e-90 and e-92. Works great, just plug it in when in the garage when car is not being used for a few days or when driving short trips, never had a problem. Have read the other one is also good. I feel it is necessary for my situation, and it sounds like your situation is similar.
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