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  #61  
Old 10-26-2017, 04:46 PM
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Quote:
Originally Posted by pearlpower View Post
My 4.8is has a very low 'fan' type noise behind the climate control panel that does not turn off. Unsure if it is a fan in there and the remedy. My battery stays charged, even with front and rear cameras running 24/7, but I start it up and drive it every few days or so. My 4.4i does not exhibit the same.
both of your X's should make the same sound. It's a small fan that draws in cabin air so it can read the temperature and adjust accordingly if you put your system in Auto mode. It starts up when you open or unlock the door and it goes to sleep 15 minutes after you close the door.
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  #62  
Old 10-26-2017, 04:46 PM
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Quote:
Originally Posted by pearlpower View Post
My 4.8is has a very low 'fan' type noise behind the climate control panel that does not turn off. Unsure if it is a fan in there and the remedy. My battery stays charged, even with front and rear cameras running 24/7, but I start it up and drive it every few days or so. My 4.4i does not exhibit the same.
What's the AMP draw after 16 minutes?
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  #63  
Old 10-26-2017, 06:02 PM
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Your HVAC control panel has a internal fan the circulates air thru two openings in the unit (SEE IMAGE BELOW) as mentioned in the post above. Clean both openings frequently to allow air flow. The minute you open a door it starts regardless of the key position (in your pocket, hand or Ign).
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  #64  
Old 10-26-2017, 06:37 PM
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There is a tiny fan in there that is used to measure cabin temp. It shouldn't run when sleeping


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  #65  
Old 10-26-2017, 06:48 PM
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Quote:
Originally Posted by Fifty150hs View Post
both of your X's should make the same sound. It's a small fan that draws in cabin air so it can read the temperature and adjust accordingly if you put your system in Auto mode. It starts up when you open or unlock the door and it goes to sleep 15 minutes after you close the door.
Good to know, guess the one in the 4.4 is just quiet. Either way, I do not have any starting issues so I have not paid much attention to it.
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  #66  
Old 11-02-2017, 08:34 PM
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Refreshing this thread to the top for "turquise1" (Ozzie), in case any suggestions in these pages might help you find the source of your battery drain. Good luck!
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  #67  
Old 11-02-2017, 08:37 PM
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BTW: I've replaced the radio/MID and the battery and seeing if anything changes.

(you'll have to read the prior pages/replies to know what I've been thru since June)
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  #68  
Old 11-03-2017, 04:34 AM
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Quote:
Originally Posted by StephenVA View Post
I think the X5 security systems draw way more than other systems. As long as you are down to that level I would not worry about it.
Any aftermarket items with an LED on?
Stephen: Thanks for the reply. I just saw your post today. The only aftermarket item is an Eonon head unit that I installed, but that shuts down when the car is shut off.
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  #69  
Old 01-23-2018, 08:14 PM
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Originally Posted by HotWheelsRedline View Post
Our X5 has a parasitic battery drain that started June 5th. Replaced the dead BMW battery and alternator tested fine, so thought we were good to go. June 27th, car won't start again -- jumped, runs fine. July 8th, no start -- July 19th, no battery power again. Thru all of this, never any warning lights on dash. Now my friend/indy mechanic is checking it. Has ruled out the radio, Aux fan, TCU, FSU, NAV, sleep mode.
Update: Since I got a full refund on the replacement AAA battery and credit from Visa as well, I decided to swap it with an Interstate Megatron 85 Plus, and haven't had any issues since late October. The installer tested the AAA batt and found the cold-cranking amps fell to the floor when heavy load applied. Lesson-learned: step away from AAA batteries!
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  #70  
Old 01-24-2018, 09:55 PM
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