+ 1 on Roseng comments. I haven't touched my battery or placed it on a tender since I bought it 2.5 years ago. My profile is mostly daily driver but she stays in the garage on bad weather and whenever I travel, so more than a few 5-10 day breaks with no driving. Never any issues.... knock on wood

__________________
Regards, Greg


'07 650i vert, creme beige/jet black, sports & cold weather pkgs, comfort access, premium sound, sat radio, Miro M6 wheels, tint, windscreen, triple resonator delete, 5W bulbs, corner bulb delete and m-tec fogs
'11 Acura MDX Advance with Entertainment pkg for the family - no mod's