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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 12-27-2014, 09:30 AM
hunnypuppy hunnypuppy is offline
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BMW Charger - recondition mode

Does anyone have the newer BMW Battery chargers (white labeled by CTEK MUS4.3) which have the recondition mode?

If so does the manual say anything about where to connect the charger when in recondition mode - to the battery terminal under the hood or directly onto the battery or remove battery and then condition it ? (if so would be reregistation be required?)
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  #2  
Old 12-27-2014, 11:17 AM
banglenot banglenot is offline
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Quote:
Originally Posted by hunnypuppy View Post
Does anyone have the newer BMW Battery chargers (white labeled by CTEK MUS4.3) which have the recondition mode?

If so does the manual say anything about where to connect the charger when in recondition mode - to the battery terminal under the hood or directly onto the battery or remove battery and then condition it ? (if so would be reregistation be required?)
Always under the hood for any battery charger on a BMW. Never attach a charger directly to the battery. Sensitive electronics attached to the cable ends at the battery, expensive to fix if you damage them.

I use the CTEK, and it chooses when to do it's conditioning routine. Battery responds well to it, according to the battery diags and data in INPA.
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Last edited by banglenot; 12-27-2014 at 11:18 AM.
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  #3  
Old 12-27-2014, 11:23 AM
hunnypuppy hunnypuppy is offline
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Thanks that was helpful. To clarify you need to put the CTEk into recondition mode manually. The Desulfation mode is automatic. Is that what you're doing?
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  #4  
Old 12-27-2014, 11:35 AM
banglenot banglenot is offline
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Quote:
Originally Posted by hunnypuppy View Post
Thanks that was helpful. To clarify you need to put the CTEk into recondition mode manually. The Desulfation mode is automatic. Is that what you're doing?
We may have two different chargers. I use the CTEK 3300. Do you use the black BMW unit (made by Deltak, I thought). Mine does it's pulsing thing automatically.

http://www.amazon.com/BMW-Advanced-B.../dp/B0016BRA3M

http://www.amazon.com/CTEK-56-158-1-...pr_product_top
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  #5  
Old 12-27-2014, 11:40 AM
hunnypuppy hunnypuppy is offline
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I have the CTEK MUS 4.3 - which I believe is the newer version of the 3300 with an option for reconditioning. Am wondering if the BMW charger is modeled on the 3300 or 4.3?
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  #6  
Old 12-27-2014, 11:47 AM
banglenot banglenot is offline
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Quote:
Originally Posted by hunnypuppy View Post
I have the CTEK MUS 4.3 - which I believe is the newer version of the 3300 with an option for reconditioning. Am wondering if the BMW charger is modeled on the 3300 or 4.3?
Nice unit there -- the 3300 has a maintenance function that prevents sulphation, while yours has a more aggressive reconditioning function. Yours supports AGM as well -- the 3300 is only for FLA type. Hadn't noticed the new CTEK, thanks for the tip. I'll keep it in mind for my next BMW.
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  #7  
Old 12-27-2014, 11:53 AM
Jtbgonesailing Jtbgonesailing is online now
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Reconditioning of a lead acid battery takes the battery voltage well outside the normal charging regiment. Having said that I would be careful with all the electronics if you want to go that route. Isolate the battery from the cars electrical system, ie: remove the battery from the car. Error on the side of caution... Just my .02 cents.

Typical lead acid battery reconditioning takes the voltage upwards of 16v DC at a low amperage, 1 amp. This is done over a 4-6 hr period.
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  #8  
Old 12-27-2014, 12:17 PM
hunnypuppy hunnypuppy is offline
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The CTEK MUS4.3 takes the voltage upto 15.8v in the reconditioning mode.

Interestingly I found this on the BMW technican manual:
Battery Voltage
The system voltage is also monitored by the IKE and sets a fault if it exceeds 16 volts.

Link: http://prodcds.bmwuniversity.com/lib...lectronics.pdf

Here is one Power Management in BMW's:
http://prodcds.bmwuniversity.com/lib...Management.pdf

So possibly it could be safe.

For those interested there's an aresnal for information on BMW tech manual available here:

http://www.kneb.net/bmw/

AND

https://www.google.com/?gws_rd=ssl#q...versity.com%2F
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  #9  
Old 12-27-2014, 12:30 PM
hunnypuppy hunnypuppy is offline
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FYI from the BMW Manual:
Optimum Charging
The battery voltage can vary between 14 V and 15.5 V. The optimum charging voltage is
set by the power module as a function of the state of charge of the battery, the battery
temperature and the lamp resistance. The maximum charging voltage is 16 V

So it should be okay to use CTEK 15.8v reconditioning:

Page 23: http://prodcds.bmwuniversity.com/lib...Management.pdf
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  #10  
Old 12-27-2014, 12:53 PM
hunnypuppy hunnypuppy is offline
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Some more info for those interested:

Measuring ranges of IBS
Voltage 6 V to 16.5 V
Current -200 A to + 200 A
Closed-circuit current 0 A to 1000 A
Starting current 0 A to 1000 A
Temperature -40 C to 105 C
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  #11  
Old 02-14-2015, 10:56 AM
gohornedfrogs gohornedfrogs is online now
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getbmwparts.com has the genuine BMW Advanced Charging System, part number 82110406881, for $56.01, free shipping, I believe.

http://www.getbmwparts.com/partlocat...catalogid=4462
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