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F12 / F13 (2012 - Current)
The all new 3rd generation 6 series coupe (F13) and convertible (F12) forum. The F06 BMW 6 Series Gran Coupe forum is here

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  #1  
Old 10-17-2012, 07:56 AM
chadyork chadyork is offline
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Location: York, PA
 
Join Date: Apr 2012
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Mein Auto: 650i convertible
Battery tender

Does anyone have experience with using battery charges/trickle chargers to maintain their battery while the car is in "storage" over the winter? I've got a great trickle charger that I've used on my Audi for the past four winters. I attach the leads directly to the battery located in the trunk. I saw on another site that BMW recommends not attaching the charger leads directly to the battery but instead to some underhood connection point. Suggestions?
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Old 10-17-2012, 09:39 AM
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dkreidel dkreidel is offline
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Location: The OC & Bear Country Montana
 
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Mein Auto: BMWs & Ram trucks
I use Battery Tender's cigarette lighter lead and avoid trunk/hood issues.

Dick
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'13 X5M - carbon black over black • BBS SV "it's our truck"
'13 X5 35i - alpine white over black • X5M wheels & tires "it's our car"
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Old 10-17-2012, 12:15 PM
Hofstet Hofstet is offline
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Mein Auto: X6, F150, 650i xDrive Cnv
I purchased the BMW Trickle Charger while at the Dealership last month. The Service Tech told me to attached the alligator clips directly to the battery posts and to close the hood "one click" i.e, not completely.
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Old 10-17-2012, 11:53 PM
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dkreidel dkreidel is offline
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Quote:
Originally Posted by Hofstet View Post
I purchased the BMW Trickle Charger while at the Dealership last month. The Service Tech told me to attached the alligator clips directly to the battery posts and to close the hood "one click" i.e, not completely.
If the Tech really meant what he said about attaching the charger clips directly to the battery posts he should have directed you to the trunk, not the hood.

Perhaps he meant the auxiliary jump start terminals in the engine compartment? The 12V power sockets in the cabin are a more elegant solution than popping the hood or trunk

dk
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'13 X5M - carbon black over black • BBS SV "it's our truck"
'13 X5 35i - alpine white over black • X5M wheels & tires "it's our car"
'11 Z4 - mojave over beige • 6 speed manual • Münich delivery

...and a bunch of old English motorcycles

Last edited by dkreidel; 10-17-2012 at 11:55 PM.
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