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E60 / E61 (2004 - 2010)
BMW 5-Series E60 Sedan was first seen in the Unites States in the fall of 2003 with a 2004 Model Year designation. The E61 wagon followed shortly there after. The E60/E61 5 series is now available as a 528i, 528xi, 535i, 535xi, 550i and a 535xi sports wagon! -- View the E60 Wiki

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  #1  
Old 03-06-2009, 06:10 AM
Murray Murray is offline
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Battery Tender Installation

I have been connecting a Battery Tender Plus under the hood on my 2009 535ix with the clips to the specified points. I am looking for a suggestion on a location to install the ring connectors somewhere.

Thanks!
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Old 03-06-2009, 06:32 AM
jesimmons jesimmons is offline
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First picture shows positive eyelet (red) installation under hood. The negative lead (black) is attached to the bracket that secures the brake fluid reservoir to the frame (3rd picture). Any close-by screw or bolt that is secured to the frame will work. I secure the wire and quick disconnect plug to the upper stabilizer bar with velcro (second picture) for easy access.
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Last edited by jesimmons; 03-06-2009 at 07:57 AM.
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Old 03-06-2009, 07:24 AM
Corgidog Corgidog is offline
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Quote:
Originally Posted by Murray View Post
I have been connecting a Battery Tender Plus under the hood on my 2009 535ix with the clips to the specified points. I am looking for a suggestion on a location to install the ring connectors somewhere.

Thanks!
Why woould you need a battery tender on a new car? Is the electronics drain that significant?
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Old 03-06-2009, 07:37 AM
jesimmons jesimmons is offline
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Originally Posted by Corgidog View Post
Why woould you need a battery tender on a new car? Is the electronics drain that significant?
Only if not driven regularly on trips of half hour or more. I found that leaving my car undriven for 3 weeks in January, and taking it on very short trips (to the grocery store and back prior to that) led to a low battery level.... Not dead mind you as the car started fine... But I was having to reset the date and time immediately after cranking the starter, and the radio would cut out while the car was cranking over... A sign of low battery. It could have been the combo of driving habits and very very cold temps here in January.

The battery tender solved the issue. I plan to mention this to the dealer when I take the car in for first servicing. Perhaps there is a software update to rectify the drain problem.
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Old 03-06-2009, 10:53 AM
Corgidog Corgidog is offline
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Attractive cars are like attractive women-high maintenance.
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Old 03-06-2009, 12:08 PM
jesimmons jesimmons is offline
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Originally Posted by Corgidog View Post
Attractive cars are like attractive women-high maintenance.

You got that right.
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Old 03-06-2009, 02:49 PM
2e39s 2e39s is offline
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My 2008 535xi can barely sit for a week (in a heated garage) without going into low-battery mode (or whatever its called where time/date is reset and AWD/DSC is inactive). Sure it starts, but what a pain. On the other hand, I fired up my 2003 540iT today after sitting since mid-January. No hesitation at all. I understand there is a lot of electronics in the e60 - but a week? That's just poor design in my opinion. I need to take my 535xi in for a check-up and I'll bring it up but I'm sure the service advisor will tell me it's working as designed. I appreciate the instructions on hooking up the battery tender as I'm sure I'll be buying one. My problem is I hand wash the car, spend a few hours detailing it and then wait for a clear road day - which doesn't occur in winter here.
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Old 03-06-2009, 07:26 PM
jesimmons jesimmons is offline
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There may be an issue in our cases where the car is NOT going into full sleep mode - which normally occurs about 16 minutes after you shut the car off (whether you lock it or not). Once in sleep mode, the electrical drain is very minimal, but I've heard that under some circumstances it doesn't go to sleep and the battery will drain much quicker.

I do intend to discuss it with the dealer, but still plan to use the BT+ periodically to keep the battery in tip-top shape. It will assure the battery is at 100% full charge without damaging the cells.
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Old 03-07-2009, 05:30 PM
Murray Murray is offline
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Thanks for the pictures and instructions. I just ordered another one for my house at the Jersey Shore and two more for gifts.

Murray
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Old 05-21-2009, 01:15 AM
tno77 tno77 is offline
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Anyone find a way to send the wire to the front grill area, so we dont need to pop the hood to plug it in?

The engine seems to be a sealed design, so theres no way to fish the wire forward...unless i missed something?
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Old 05-21-2009, 06:48 AM
jesimmons jesimmons is offline
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Originally Posted by tno77 View Post
Anyone find a way to send the wire to the front grill area, so we dont need to pop the hood to plug it in?

The engine seems to be a sealed design, so theres no way to fish the wire forward...unless i missed something?
I actually hadn't looked. Where I have it installed, it may be easer to take it rearward and bring it up at the lower corner of of the windshield.... But I haven't looked at how that might be done. Popping the hood is no big deal for me... I like to admire the engine compartment anyway. And without a dipstick, I need some other reason to go in there.
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Old 05-21-2009, 07:26 AM
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I have had my car sit in the garage for 3 or 4 weeks at a time, and no problems at all. I always lock my car, I never leave anything plugged in, and I don't have CA.

IMO, CA is a real battery drain, since something in the car has to be polling for it. Also, I once had my phone up in the bedroom, and when I pulled out of the garage, it had synched. I thought I had the phone with me, but the range must have been pretty wide for it to sync. Perhaps, if you have CA, and leave the transmitter nearby, it causes a drain?
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Old 05-21-2009, 07:47 AM
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Old 05-21-2009, 07:48 AM
z06bigbird z06bigbird is offline
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Old 05-21-2009, 07:55 AM
z06bigbird z06bigbird is offline
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Battery is in trunk, right? Put rings on cable bolts. Leave trickle charger with power cord lying in trunk. Pop trunk when running long extension cord. Power saver module in car turns trunk light out after x number of minutes.

Shouldn't something like this work?? Certainly not in public driveway, but it should be ok in your garage.
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Old 05-21-2009, 08:26 AM
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Originally Posted by z06bigbird View Post
Battery is in trunk, right? Put rings on cable bolts. Leave trickle charger with power cord lying in trunk. Pop trunk when running long extension cord. Power saver module in car turns trunk light out after x number of minutes.

Shouldn't something like this work?? Certainly not in public driveway, but it should be ok in your garage.
You miss the point of the ring connector as well as the remote charge points. It's just Sooo much easier under the hood. My charger just sits on my work bench. I pull into the garage, pop the hood and connect the charger wire at the quick disconnect point, then plug in the charger.

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Old 05-21-2009, 08:29 AM
jesimmons jesimmons is offline
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Originally Posted by djfitter View Post
You miss the point of the ring connector as well as the remote charge points. It's just Sooo much easier under the hood. My charger just sits on my work bench. I pull into the garage, pop the hood and connect the charger wire at the quick disconnect point, then plug in the charger.

dj
Ditto.
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Old 05-21-2009, 09:21 AM
aficionado aficionado is offline
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Originally Posted by z06bigbird View Post
Battery is in trunk, right? Put rings on cable bolts. Leave trickle charger with power cord lying in trunk. Pop trunk when running long extension cord. Power saver module in car turns trunk light out after x number of minutes.

Shouldn't something like this work?? Certainly not in public driveway, but it should be ok in your garage.

FYI,

The manual says to charge the battery via under the hood, not the trunk.
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Old 05-21-2009, 01:05 PM
mhs525 mhs525 is offline
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Originally Posted by jesimmons View Post
There may be an issue in our cases where the car is NOT going into full sleep mode - which normally occurs about 16 minutes after you shut the car off (whether you lock it or not). Once in sleep mode, the electrical drain is very minimal, but I've heard that under some circumstances it doesn't go to sleep and the battery will drain much quicker.

I do intend to discuss it with the dealer, but still plan to use the BT+ periodically to keep the battery in tip-top shape. It will assure the battery is at 100% full charge without damaging the cells.
Correct, if you walk around/near your car regularly or detail it a lot the car doesn't go to sleep. It keeps powering up and down getting ready for you to start the car. This happens to me a quite often. A battery tender solves the problem.

I have found that the best way to keep the battery fresh without a tender is to park it in a garage with the windows up and leave it alone.

If you play with it (detail, clean the wheels...) it gets tired because it doesn't get enough sleep
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Old 05-21-2009, 01:27 PM
jesimmons jesimmons is offline
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I don't have CA and still ran into the low battery symptoms during a stretch of cold weather, infrequent driving, and very short trips back in January. Occasional short-trip driving simply didn't charge the battery back to full strength. Using the BT+ a few times a month overnight seems to eliminate any issues I was having. Its probably good for the battery too since it ensures the battery is at fully charged state.
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Old 12-26-2009, 09:32 AM
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Kind of makes me wonder when the gadget-freaks in BMW's research and development will replace the sun roof shade panel with a photo-voltaic solar panel, and use that to trickle-charge the ever increasing complex electronics.

That small an area, under the clear sun roof glass, probably won't get much more than a couple of D-Cell battery's worth of power, but for a trickle, that's not too bad.
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Old 12-26-2009, 02:55 PM
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Most expensive vehicle I ever purchased and I have to run an extension cord out of my house and plug the float charger in or the thing is dead.

May well be my first and LAST BMW.

2008 528i--Dealer says battery is fine-'You drive it incorrectly!'--WHAT??

Last edited by alandf; 12-26-2009 at 02:57 PM. Reason: addition
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Old 12-26-2009, 04:16 PM
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Originally Posted by Kamdog View Post

IMO, CA is a real battery drain, since something in the car has to be polling for it. Also, I once had my phone up in the bedroom, and when I pulled out of the garage, it had synched. I thought I had the phone with me, but the range must have been pretty wide for it to sync. Perhaps, if you have CA, and leave the transmitter nearby, it causes a drain?
I doubt it. My 07 650 has CA. I always leave the key in the car after parking it in my garage. The 650 doesn't get driven very much--I have several cars--and often stands for two weeks at a time w/o starting when I'm out of the country. It has never failed to start instantly, or given any sign of low battery status. Same with my 08 535 w/o CA.

It would be interesting to know whether certain driver habits cause excessive battery drain, or whether some cars are having electrical/charging circuit problems that have not been resolved by their dealers.

Spyder
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Old 12-26-2009, 04:19 PM
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Attractive cars are like attractive women-high maintenance.
+1
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Old 12-26-2009, 09:00 PM
HokieXDriver HokieXDriver is offline
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Originally Posted by Mech_Man View Post
Kind of makes me wonder when the gadget-freaks in BMW's research and development will replace the sun roof shade panel with a photo-voltaic solar panel, and use that to trickle-charge the ever increasing complex electronics.

That small an area, under the clear sun roof glass, probably won't get much more than a couple of D-Cell battery's worth of power, but for a trickle, that's not too bad.
I think you can get more than 2 D-cells. Anyone else remember that in the 90s there was a Mazda that had air conditioning powered by solar cells? It could keep the car cool on hot days. Something was obviously very wrong with the technology because you don't see it any more - I wonder why.
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