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Sedans BMW 3-Series 2009 BMW 3-Series
276 messages, Last post on Aug 25, 2009 at 9:57 PM
You are in the BMW 3-Series Forum. Your Hosts are pat & karens
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Replying to: jmaroun (Aug 31, 2008 1:26 pm) ...and you'll also get a car already a year old... I dunno, seems like you would be more pleased with an Infiniti, given all the shortcomings you seem to have with the BMW. Z |
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Replying to: jmaroun (Aug 31, 2008 1:26 pm) |
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Replying to: sunilb (Aug 29, 2008 1:21 pm) Which Audi wagon are you looking at?
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Replying to: motoworf (Sep 02, 2008 8:37 am) |
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Regarding exterior color paint, black, white, and blue suit my asthetic tastes equally. I decided therefore, to base my choice on utility. At first I thought the optimal choice was obvious. Everyone knows that white absorbs less light and thus would keep interior cabin temperature cooler than black. Alas, a white 08 335i sedan was unavailable in my favorite configuration: manual with sports package. A case of bad luck. I was forced to choose the very opposite color. Black! After some thought however, I've realized my luck wasn't as bad as I'd thought. Especially considering that a 335i's engine has a known tendency to run a "little" on the hot side. A black car, better than any other color, should actually help dissipate the most engine heat. This is due to black's inherently superior infrared conductivity. Interior cabin temperature is merely transient..that is AC climate control corrects it in a matter of seconds no matter what color your car is. Hot black sheet metal will dissipate heat absorbed from the sun, when moving air pass over it, faster than white or silver sheet metal. Heat from a running or recently turned off engine, far out weighs solar power that shines on a car. Therefore.. it probably is better to have a black car if one's interest is help keep its engine coolest. An engine that runs cooler not only performs better, but in the long haul will be more reliable. Of course this is just speculative reason and I have no idea how significant a car's color would have on the net temperature of a running, or recently idle, engine. I suppose if one had access to a data-base of automobile over-heating reports, one could check to see if black cars fared better than say silver or white cars. That would be strong evidence supporting my above speculations. Empirical evidence on this would be interesting. If anyone knows of any, please share. Especially regarding the 335i. Joseph San Diego |
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Replying to: jmaroun (Sep 06, 2008 8:01 pm)
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Replying to: roadburner (Sep 07, 2008 5:52 am) My own observation, which is matched by physical measurement is that lighter color cars tend to absorb less heat in the interior as the material reflects more than dark colors. However, we all could be wrong. :sick
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Replying to: kdshapiro (Sep 07, 2008 6:11 pm) A side benefit is that I never have to wash or wax my car, and in the summer, I can bake cookies on the hood!
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Replying to: fedlawman (Sep 07, 2008 7:14 pm) |
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Replying to: fedlawman (Sep 07, 2008 7:14 pm) Some of us hard-core drivers need to know which color is fastest- even if we never drive our cars over 80!
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