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      01-09-2016, 09:03 AM   #18
HighlandPete
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Drives: BMW F11 535i Touring
Join Date: Mar 2007
Location: Scotland, Highland Region

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Quote:
Originally Posted by 5fix View Post
I had my 550ix in for service last week right before the warranty expires in a month. I asked the service manager about the battery since it has been replaced twice (once about two years ago during a very cold winter and once last year with CCP repairs). He told me that I would be responsible to pay for replacement after warranty expires (about $500 total) but that BMW would stand behind it for two years. So, I guess I can look forward to about $500 every other year I keep the car.

For what it is worth, I bought a charger designed for AGM batteries two years ago when I first had problems with the battery, and the battery would not hold a charge. Service manager also noted that they had no success in charging batteries once they drained to a certain point. Thus, the replacement approach.
I'd be keeping on top of battery condition, not let it drain to levels of possible failure. I'd wager that there will be much more life in the battery than needing replacements every year or two. 4 - 6-years, is more like it, if using a smart charger. I'm doing so with my 535i battery, now over 4-years and counting...

HighlandPete
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