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#1
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"Normal" Temperature Operating Range
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#2
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That’s pretty normal. You can unlock your obc. Link in my sig. you can monitor coolant temp right on your dash.
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2006 4.8is, Black on White. SOLD Sniff Sniff. 2017 F85 x5m, Black on Red. BEAST MODE "The older we grow the greater becomes our wonder at how much ignorance one can contain without bursting one's clothes." - Mark Twain Unlock OBC post 5 |
#3
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Yes, the point of the heated thermostat is to allow the DME to vary the temp.
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1988 325is (purchased new) sold 2004 X5 3.0 2005 X3 2.5 2008 X5 3.0 (new to me) |
#4
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Interesting. I didn't realize it was heated. I thought the stat would try to keep the temperature in a narrow range for fuel mileage and emissions.
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#5
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The goal is to keep combustions temperatures down to reduce Nox emissions with out using a troublesome EGR valve and also try to keep some fuel efficiency. It actually works well doing that. If you recode your temp gauge to what Overboost suggests you can actually see that working as well as monitor when you aux fan cuts in if you take off your mechanical fan for the winter like I do.
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1988 325is (purchased new) sold 2004 X5 3.0 2005 X3 2.5 2008 X5 3.0 (new to me) |
#6
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Quote:
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#7
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That's a Great idea to remove the mechanical fan! I'm going to start doing that! I've blocked my fan from moving and I've put cardboard in front of the radiator to help warm the engine (or get csbin heat when the t-stat failed open)
Sent from my iPhone using Tapatalk Pro
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2011 E70 • N55 (me) 2012 E70 • N63 (wife) |
#8
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Thermostat Not Opening
Hi Everyone,
2004 X5, 3.0i During driving, the heat is nice and hot, but at idle, the heat is reduce quite a bit. I bled the coolant couple of times following all the guidelines. I changed the thermostat. I checked it with coolant before installing, it did open at 97 degrees Celsius or 207 F, and that's what it says on the body of the thermostat. In fact it opened at higher than those values because test was done at atmospheric pressure. The bottom radiator hose is always cool, even after hours of driving. I guess because of this bleeding is always incomplete. I checked the coolant temperature during driving, it hardly gets to 207. So heater still not getting to the right temperature. Any guidance will be much appreciated. Thanks, |
#9
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Quote:
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#10
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Thanks for your response.
I have scanned and have no such codes. I do have CIL, but it's related to O2 sensors. |
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