I use a CTEK Multi US 3300. This is very popular, and I highly recommend it over the ones found in Walmart, Autozone, or O'Reilly.
http://www.amazon.com/gp/product/B00...ls_o05_s00_i00
Quote:
Originally Posted by capri
Thanks guys! there's quite a mention of battery tenders usage on BMWs. Which brand of battery tenders are you guys using for your BMWs ?
As much as possible i will try the drive the car whenever opportunity exists. Unfortunately i hate driving these cars under traffic condition. Its a pity.
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