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#11
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2004 X5 3.0d 2010 X5 40d New Zealand |
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#12
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Quote:
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Just BMW's - All cars and trucks was two pages long 1994 318is 1997 528i 2000 323i 2001 X5 3.0 auto 2005 X5 3.0 auto 2011 535xi auto 2013 X5 xdrive35 Turbo More are at my website Aftermarket E53 Radio Install |
#13
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I'm surprised the fan would make much difference at 80kph. I would actually look into a problem with a stuck closed tstat. (Not completely closed but maybe crooked/wonky: look at crowz recent post).
The fan shouldn't produce any significant cooling over about 50-60 kph. Think about it: when working the fan might generate 50-60 kph wind when car is moving slowly but the RPM is high (think first gear in slow traffic). At the same RPM but 80 kph, the wine from moving through the air may actually "free wheel" the fan like a pin wheel. I would definitely look into your tstat not opening completely or other basic cooling system problems like the hidden tstat in the reservoir or the valves for the HVAC etc. When my tstat is working the engine is 90C plus or minus 2C no matter the ambient temperature or the load as long as I'm not in stop n go traffic Sent from my iPhone using Tapatalk Pro
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2011 E70 • N55 (me) 2012 E70 • N63 (wife) |
#14
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@andrewwynn
what is the maximum temp you reached in stop/go traffic? |
#15
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On my x5 I've never seen temp over 100c. Doesn't matter if I'm at 6500# towing a trailer in 90°F.
I get caught in Chicago traffic plenty but don't usually have dash command running and the moronic NOTAGAUGE idiot dial doesnt move from noon between about 170 and 210F. It has never been past noon in the nearly 3 years of ownership. My Camaro used to run hot every time I was in stop n go traffic if ambient temp was above 75-80F until I figured out the trick is turning on the AC. Sent from my iPhone using Tapatalk Pro
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2011 E70 • N55 (me) 2012 E70 • N63 (wife) |
#16
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Well, fitted new fan clutch, and headed up same hill, no backing off all the way up, and max temp was 97c. So that’s a bit of a result! I think as Andrew has suggested, will sort out new expansion tank n thermostat inside it, would be great to have confidence in cooling system!
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2004 X5 3.0d 2010 X5 40d New Zealand |
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