Thread: tune
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      12-31-2013, 11:51 AM   #7
upstate650
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Drives: 2014 650xi Gran Coupe Msport
Join Date: May 2013
Location: The Hinterlands of Upstate NY

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2020 BMW M340xi  [0.00]
You do need one. Its just a battery tender/trickle charger. 20-30 bucks at any auto supply place.
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