37 degree beep

["Richard Vaughn" <rav3@xxxxxxxxxxx>]

Your right. Water doesn't freeze until 32 deg. F. However, here in WNC, I 
can drive less that 1/2 mile and see the temp. change as much as 10 degrees 
in low areas. I never noticed this before until my wife & I started drive 
Bimmers with the temp display. So, I believe the reason that they have the 
warning come on 5 deg. early is to warn you that you COULD possibly run into 
some ice, so be prepared to slow down if needed.

Just my 2$ worth.

Merry Christmas all!!!!

Richard V
BMW CCA Tarheel Chapter
'95 740i hers
'92 535i 5 speed mine
'90 325i 5 speed Sons
'96 Z71 mine too



>Date: Sun, 23 Dec 2001 23:18:01 -0600
>From: tsperez@domain.elided
>Subject: 37 degree beep
>
>That is true.  I also think bridges always freeze before other road 
>surfaces
>do.  At least they do here in south Texas where we almost never get frozen
>water on regular road surfaces.
>
>tsp
>
>
>On 12/22/01 5:37 PM, "Robert Rose" <rarose@domain.elided> wrote:
>
> > I've got a stupid question for the group: My 2001 330i beeps and flashes
> > the outside temperature when it drops below 37 degrees. The book says 
>that
> > this is a warning for possible road ice.
> >
> > Up until this year I've always lived in the south (Florida and Texas)
> > where road ice wasn't a problem... but isn't 32 degrees the magic
> > temperature?  Or does German water freeze easier? :-)
> > -Rob
>
>
>Okay, I'll take stab at it.  I believe the reason there is a "gong" below 
>37
>degrees has to do with the fact that the road temperature is always colder
>than the air temperature.  There may be some scientific reason that I'm not
>aware of, but it's better to "gong" before it reaches 32 degrees.  Think of
>it as a warning.
>
>- - -Eric
>87 325ic



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