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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > AUDIO/VIDEO + BLUETOOTH + Electronics/Alarm/Software > Has anyone fitted a Ctek Battery Sense to their E9x



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      11-10-2018, 04:54 PM   #1
Three_thirty_I
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Has anyone fitted a Ctek Battery Sense to their E9x

Hi guys, been a while.

I am investigating this at this point in time. I want to fit a Ctek Battery Sense so that I can monitor my E90's battery via my phone rather than having to constantly have the car's bonnet (hood) open. I've been battling with an intermittent battery drain issue for ages now and just been monitoring it with my multimeter for the time being. It seems to be mostly behaving, but it is so unpredictable that I need to keep doing this for the time being.

I use the jumper points in the engine bay to monitor the battery and charge when necessary, but I don't fitting this Ctek Battery Sense in the engine bay is going to be the most practical, so I think connecting to the battery itself might the better way, but keen to hear if anyone has already done this and what they did. Plus any other suggestions. Thanks!
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      11-11-2018, 04:46 PM   #2
cdgatti
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Looks like no one is using one of these yet. I have my CTEK charging connections installed to the points under the hood and that works well. I don't have one of these Sense devices but would think it would be more accurate connected directly to the battery, probably last longer too than in the heat of the engine compartment.
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      11-11-2018, 08:30 PM   #3
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Quote:
Originally Posted by cdgatti View Post
Looks like no one is using one of these yet. I have my CTEK charging connections installed to the points under the hood and that works well. I don't have one of these Sense devices but would think it would be more accurate connected directly to the battery, probably last longer too than in the heat of the engine compartment.
I am also more keen to fit it directly to the battery, but most cars have the battery in the engine bay, so pretty sure it is designed to cope with the warm environment of the engine bay. I also think I prefer putting it where the battery is so that there's no signs of it connected in the engine bay.
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