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Old 11-08-2012, 05:30 PM
Nordic_Kat's Avatar
Nordic_Kat Nordic_Kat is offline
Omnia in modum
Location: Texas
 
Join Date: Aug 2009
Posts: 7,228
Mein Auto: Certified Garage Princess
Well, I placed my order....

First of all, I want to send out a big thanks to everyone who gave their input regarding both of these units. This was a very hard decision as they are so similar and as many of you stated it would be hard to mess up, going either direction. I finally ran it by a co-worker who has prior extensive experience keeping lead-acid batteries healthy for things like nuclear subs and batteries that were on the Space Shuttle. He said it was a coin toss between the two units, but gave a slight nod to the CTEK unit, mostly for the purdy lights.

I pulled the trigger and hope to have the unit in a week. I plan on experimenting a bit with it a'la ILMC's comments about hooking it up and watching it kick into action with things like opening and shutting doors and actuating the top.

Interesting to me is that some of the extra-curricular reading generated by the links provided by Galahad turned up 5 series and 7 series owners experiencing the same shock and puzzlement I experienced that the simple act of opening the driver's door and not turning the car on causes a huge gulp of battery juice to feed the system computers. Looks like this is a 'feature' on current model BMWs in general. I will have to go back over my owner's manual with a fine tooth comb because, while I do remember reading that actuating the top more than 5 successive times without the engine running could cause a significant drain on the battery, I never remember seeing that same warning about opening and closing the driver's door.

Again, thanks to all who helped me sort this out, your assistance is much appreciated.
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