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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: 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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Replying to: roadburner (Sep 08, 2008 12:44 pm)  After owning a series of white and silver (and variations) cars, I went with a darker blue on my current ride. Hot or cold isn't important to me. The fact it simply shows dirt and imperfections more is what is driving me insane! Zaino, of course, helps. But I will lighten it a shade or two for my next ride... I shan't own a black car... Still like a good white, though...
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Replying to: jmaroun (Sep 06, 2008 8:01 pm) It seems this assumption is wrong: "This is due to black's inherently superior infrared conductivity." I stand corrected. All the more reason to hope bmw fixed the 335i's over-heating issues then. fingers crossed. Joseph San Diego ------------------------------- 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.
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Replying to: laurasdada (Sep 08, 2008 12:51 pm) My driveway is a 2500' gravel farm road. When I had my black M6 I think it was clean for maybe 30 minutes over the three years I had it.
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Replying to: jmaroun (Sep 08, 2008 4:09 pm) It is true a minority of BMWs may have suffered mechanical issues, but all manufacturers have this. Want a bullet proof car, don't buy one.
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Replying to: kdshapiro (Sep 09, 2008 4:21 am) Best regards, Shipo |
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As an engineer, I'm fully aware that no machine is perfect. Every design has its weakness. Some may reason to dismiss the concept of reliability as an idealistic and unlrealizable goal. To strive for reliability is a choice. It's clear that some manufacturers place a higher priority on the issue than others. Anyway, for the nobs here who cant seem to google search; here are some links as reference to the over-heat and fuel pump issue on the 335i. Some of which date quite recently. And there are many more sites. http://www.bimmerfest.com/forums/showthread.php?s=c94747c5d1191149ce9be8d95cd380- - - 90&t=196046&page=28 http://www.motortrend.com/roadtests/coupes/112_0708_infiniti_g37_bmw_335/test_dr- - - ive.html "Munich: we have a problem." lol http://www.topix.com/forum/autos/bmw-335i/TCKF8H96BBC5NS6LO/p2#lastPost I've taken all these reports, and many more, into consideration and STILL am very happy to purchase a 08 335i..which will be my second BMW! Joseph San Diego ------------------------ http://www.newton.dep.anl.gov/askasci/eng99/eng99494.htm It seems this assumption is wrong: "This is due to black's inherently superior infrared conductivity." I stand corrected. All the more reason to hope bmw fixed the 335i's over-heating issues then. fingers crossed. Joseph San Diego ------------------------------- 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.
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Replying to: jmaroun (Sep 09, 2008 6:56 am) |
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Replying to: jmaroun (Sep 09, 2008 6:56 am) I never would have guessed...  An EE, I'd bet. |
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