Battery Charging
10-03-2009, 07:48 AM
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I just bought a battery charger/maintainer. My question is can you charge the battery under the hood or do you need to acces it in the trunck.
I noticed the positive acces pin under the hood, but no negative side...Is there one under the hood?
Thanks
I noticed the positive acces pin under the hood, but no negative side...Is there one under the hood?
Thanks
10-03-2009, 08:47 AM
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Originally Posted by Euronuts' post='1023759' date='Oct 3 2009, 11:48 AM
I just bought a battery charger/maintainer. My question is can you charge the battery under the hood or do you need to acces it in the trunck.
I noticed the positive acces pin under the hood, but no negative side...Is there one under the hood?
Thanks
I noticed the positive acces pin under the hood, but no negative side...Is there one under the hood?
Thanks
it sounds like you have found the positive terminal, the negative is just to the right of it.
It looks like a long bolt with a hex head and no thread, it's literally within 3 or 4 inches of the positive terminal.
Poolie
10-03-2009, 08:49 AM
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My Ride: 2007 530i. Purchased 6/28/07. Titanium Silver Metallic, Black Dakota Leather, Dark Poplar Trim, Steptronic, Premium Package, Cold Weather Package, Bluetooth, Adaptive Control Xenons. 10/30/07 Added OEM 124s with 245/40/18 & 275/35/18 Michelin Pilot Sport A/S tires. Installed red Cal Covers� from BavAuto. 11/21/07 Added OEM all-weather floor mats (for winter, carpet in summer) and coat rack. 6/26/08 installed M5-style rear spoiler. 6/30/08 put on red reflectors. 8/22/08 Euro turn signal stickers applied. 3/20/09 Installed Shadowline Trim. 3/27/09 Added Matte Black Kidney Grilles from Trinity. 4/03/09 Installed Bimmian Shadow Matte Black 530i Badges. 4/04/09 Installed LED license plate lights from Trinity. 5/01/09 Installed Brabus Interior LED Kit and White Angel Eyes. 5/02/09 Put in Brabus 6K Fogs. 5/14/09 Removed charcoal filter. 5/15/09 Installed light smoke LED side marker lamps from Trinity. 5/21/09 Sprint Booster. 6/12/09 Painted exhaust tips flat black. 6/13/09 Pulled red Cal Covers and painted calipers low gloss black. 6/27/09 RPI Ram Air Scoop from Trinity. 8/15/09 Installed Brabus's silver invisibulbs front and rear. 9/24/09 Installed R-Dash license plate LEDs from Brabaus (John).
It's on the right side of the driver's side shock tower maybe 6-8 inches to the right from the red positive cover. It's not painted.
10-03-2009, 08:21 PM
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My Ride: 2007 530i. Purchased 6/28/07. Titanium Silver Metallic, Black Dakota Leather, Dark Poplar Trim, Steptronic, Premium Package, Cold Weather Package, Bluetooth, Adaptive Control Xenons. 10/30/07 Added OEM 124s with 245/40/18 & 275/35/18 Michelin Pilot Sport A/S tires. Installed red Cal Covers� from BavAuto. 11/21/07 Added OEM all-weather floor mats (for winter, carpet in summer) and coat rack. 6/26/08 installed M5-style rear spoiler. 6/30/08 put on red reflectors. 8/22/08 Euro turn signal stickers applied. 3/20/09 Installed Shadowline Trim. 3/27/09 Added Matte Black Kidney Grilles from Trinity. 4/03/09 Installed Bimmian Shadow Matte Black 530i Badges. 4/04/09 Installed LED license plate lights from Trinity. 5/01/09 Installed Brabus Interior LED Kit and White Angel Eyes. 5/02/09 Put in Brabus 6K Fogs. 5/14/09 Removed charcoal filter. 5/15/09 Installed light smoke LED side marker lamps from Trinity. 5/21/09 Sprint Booster. 6/12/09 Painted exhaust tips flat black. 6/13/09 Pulled red Cal Covers and painted calipers low gloss black. 6/27/09 RPI Ram Air Scoop from Trinity. 8/15/09 Installed Brabus's silver invisibulbs front and rear. 9/24/09 Installed R-Dash license plate LEDs from Brabaus (John).
Originally Posted by sixcard' post='1024006' date='Oct 3 2009, 08:43 PM
I hard wired mine in the trunk.
sixcard
sixcard
10-03-2009, 11:38 PM
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Originally Posted by Euronuts' post='1023759' date='Oct 3 2009, 08:48 AM
but no negative side...Is there one under the hood?
Only the whole fscking chassis. Pick anything shiny/metal.
Seriously guys... Are most folks here unable to understand the simplest component of their cars? WTF?
10-04-2009, 02:14 AM
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Originally Posted by CWS530' post='1024084' date='Oct 4 2009, 12:21 AM
Have you made through any check points with that "rig" John?
sixcard
10-04-2009, 03:38 AM
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Originally Posted by sixcard' post='1024006' date='Oct 4 2009, 03:43 AM
I hard wired mine in the trunk.
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10-04-2009, 05:37 AM
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Originally Posted by Iceman' post='1024214' date='Oct 4 2009, 12:38 PM
This way you are ruining your battery since the amount you charge will not be recognized!
The reason for the poles under the bonnet, is because batteries give off hydrogen gas when charging, and when you disconnect/reconnect the charging leads there is normally a spark.
This spark, even if tiny, is enough to blow the top off the battery and cover you in sulphuric acid, not to mention the flash burns from the gas igniting.
As the meercat says "simplessss"
10-04-2009, 05:52 AM
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Originally Posted by chris f' post='1024230' date='Oct 4 2009, 03:37 PM
Not strictly true, nothing "recognises" the charge.
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Yes it is true on the E60!
If you charge the battery directly, not through the poles under the hood, the computer doesn't recognizes it and will still act as if the battery is uncharged. This leads to a memory effect fast.
The power system on the E60 needs to recognize the charge and therefore it needs to be done through the poles under the hood, which are actually NOT designed for recharging, they are there for jump starting.