06-13-2011, 08:40 AM | #23 |
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06-13-2011, 12:37 PM | #25 |
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Lotus,
So I got took the car to the dealer and got everything checked out - and it's good! I also bought a trickle charger from them as such below and also included a pic of under my hood and want to know how to properly hook this up w/o frying my battery. LOL! |
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06-13-2011, 12:57 PM | #26 |
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The positive (red) lead clips on the battery post under the red plastic cover that flips up. The negative (black) lead clips on to any ground (the bolt head in your pix on the suspension strut top is fine. Plug the charger into any regular electrical outlet.
Doing this from memory so someone else please verify.
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06-13-2011, 02:00 PM | #27 |
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Yep, that's it exactly. All will be well.
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06-13-2011, 02:24 PM | #28 |
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As such as shown below?
Do I plug the clamps on first, then plug the wall outlet in, and then let the charger do its work? Is there a sequence I need to follow? |
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06-13-2011, 03:26 PM | #29 |
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flash3 - yep, as you show in your pix. I always clip on the batt/ground leads first, then plug in; but I doubt it matters. If plugged in, just don't touch the leads together.
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06-13-2011, 04:03 PM | #31 | |
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06-13-2011, 04:08 PM | #32 | |
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The battery voltage IS available via a digital query of the OBD-II port, (I've confirmed that it works) but that requires a specialized "CAN-protocol port reader" and is not something the average owner ever needs to get involved with. If you didn't know your X3 had a "OBD-II" port and if you've never heard of CAN protocols, please forget you ever read the above. Last edited by Lotus7; 06-13-2011 at 04:25 PM.. |
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06-13-2011, 04:16 PM | #34 | |
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The car starters work well for a completely discharged battery, but won't help retain the computer memory settings if the main battery completely dies. see:http://www.amazon.com/Schumacher-IP-...999642&sr=8-11 |
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06-13-2011, 04:18 PM | #35 | |
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Thanks Lotus, I knew you'd be the one to answer this!
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06-13-2011, 04:18 PM | #36 | |
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Won't work on the 2011 X3 (F25) because 15 minutes after you shut down the car, the lighter (accessory outlet) is disconnected from the electrical system. No connection-no charge possibility |
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06-13-2011, 04:28 PM | #37 | |
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So Lotus, in the pic I provided above (with the arrows), do you have the same set up too? And is that the right set up on how to "plug" things in? |
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06-14-2011, 01:43 AM | #38 | |
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Remember to snap the red plastic cover back in place after use. If you do have access to a digital voltmeter, you can monitor the charging process by measuring the voltage at the actual terminals mentioned above while the battery is on charge. With a "smart" charger like the Battery Tender (same as the BMW charger) charging at 1.25 Amps, the battery will be at approximately 90% when the voltage reaches 14.5 V. @ 75 deg. F. With the small CTEK charger at 2.0 Amps, the charger will cut off at approximately 14.6 Volts. The "smart" chargers do have status lights to let you know when the battery is charged. |
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06-15-2011, 09:35 AM | #42 |
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I'm not using the car much either... it's been two weeks and only around 200km on it.
It is mostly in the garage...when I brought it straight from the dealership after pick up, I didn't drive it for 5 days and thought I'd have battery problems if I want to turn it on. But on the 6th day everything worked like a clock... |
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06-23-2011, 08:36 PM | #43 | ||
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To confirm, red clamp on red circle in my pic and the the other clamp can go on the black circle in my pic? |
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06-23-2011, 11:03 PM | #44 | |
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Depending on the amount of remaining charge in the battery, it will read something like 12.0 to 12.6 Volts when you start charging. It will slowly climb to as much as 14.7 Volts and than the smart charger will switch to a "trickle mode" and you will see something like a steady 13.5 Volts. If the charger has a "battery type" switch, it should be set to "AGM". If not, just connect it, plug it in and don't worry anymore. With a small 1.25 A Battery Tender or the 2 Amp CTEC, it may take 12 to 24 hours to fully charge the battery if the car has been sitting for a week or more. When you're ready to drive the X3, first unplug the charger from the wall outlet, and then disconnect the to clips (although that sequence is really not critical because of the remote battery location). Remember to flip the red plastic cover back in place when you disconnect the charger and keep any metal tools away from the red post. If you really want to get the battery conditioned and up to a 100% charge, you should always start the charging cycle at midnight on any night that has a full moon. Before plugging the charger in, you should walk around the car (important Clockwise only in the Northern Hemisphere and Counter-clockwise if you're south of the equator) three full times chanting "BMW. BMW, BMW, Charge, Charge, Charge, BMW, BMW, BMW--- etc. |
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