Battery Tender - Official BMW
#1
Thread Starter
Senior Members
Joined: Feb 2008
Posts: 801
Likes: 0
From: Pikes Peak- Colorado
My Ride: BMW 535xi
Model Year: 2008
Never opened brand new (this was a gift from my daughter). Incorporates the new BTP micro-chip technology to apply the optimum charge. Uses cigarette lighter plug to properly charge or maintain your battery. $45.00 plus shipping. Model # 82110026663
#7
Contributors
Joined: Jul 2010
Posts: 1,727
Likes: 2
From: socal
My Ride: 545I and a half dozen other rides
Easiest and safest way of getting a low amp charge to the battery, pretty much stupid proof unless the fuse is blown. I just never knew the connection was live when the key is off.
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