BC Air Temp Problem - BMW Luxury Touring Community
 
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post #1 of 4 Old Jan 25th, 2009, 7:05 pm Thread Starter
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BC Air Temp Problem

My air temp works fine half of the time. The other half it starts out at -40 & takes up to 45 minutes to read right. It just increases 1 degree at a time until it stops rising. I'm thinking of installing a new sensor.

What do you think. I depend on it for my cold rides to work & it does no good if it is just starting to work when I get there.

Dave Selvig
2004 Black LT
2000 Canon Red LT



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post #2 of 4 Old Jan 26th, 2009, 1:48 am
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Re: BC Air Temp Problem

Here's a 15 second attempt at a fix....lets assume the connector is not fully seated. Simply unplug it, and replug it. Easy to find, as I think you can reach it from just under the headlight, with no tupperware needing removal. Do it 2 or 3 times, as the plug/unplug action can scrape away any light corrosion that might have gotten in there.

If that fixes things great, otherwise you spent under a minute, with no out-of-pocket expense.

I've had the -40 degree thing after having the nose off (and the temp sensor disconnected) to wire some aux. lights. When I reassembled, I saw -40 degrees for quite some time. So you could have simply a loose connection.

...Bob
2001 K1200LT der LadungsTršger
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post #3 of 4 Old Jan 26th, 2009, 3:17 am
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Cool Re: BC Air Temp Problem

Quote:
Originally Posted by saddle-man
My air temp works fine half of the time. The other half it starts out at -40 & takes up to 45 minutes to read right. It just increases 1 degree at a time until it stops rising. I'm thinking of installing a new sensor.

What do you think. I depend on it for my cold rides to work & it does no good if it is just starting to work when I get there.
G'day Dave,

Last Saturday, just finished playing tennis, 16:00hrs, (normally play to 18:00 but the temp was a bit on the warm side), started Beryl up, (who was sat in the sun unfortunately) and noticed that the BC temp was reading 48.5.......did I say it was a bit on the warm side???

That's 48.5 deg C.....nah...can't be right....

Couple hundred metres down the road the temperature reading came down and stabilized at 44 deg C......

did I say it was a bit on the warm side...I meant to say it was friggin hot.....no wonder I had to keep taking my tennis shoes off,... my feet were starting to cook....hehehhehe

cheers, from sunny Oz.

Phill
19XX BSA 125cc "racing" Bantam
1950 Sunbeam 500cc S7 Combo
19XX Royal Enfield 500 J2 combo
19XX BSA 500cc single B33
1960 Triumph 650cc Tiger 110
1970 Honda 750cc four K1
1975 Triumph Trident 750 triple
1978 XS1100E 1100cc "The Tardis" (ret)
1999 K1200LT "Beryl Beemer"

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post #4 of 4 Old Jan 26th, 2009, 4:55 am Thread Starter
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Re: BC Air Temp Problem

I have done the unplug & plug many times. I might just drop the sensor so I can look at the connection better.

Quote:
Originally Posted by sparky_k1200lt
Here's a 15 second attempt at a fix....lets assume the connector is not fully seated. Simply unplug it, and replug it. Easy to find, as I think you can reach it from just under the headlight, with no tupperware needing removal. Do it 2 or 3 times, as the plug/unplug action can scrape away any light corrosion that might have gotten in there.

If that fixes things great, otherwise you spent under a minute, with no out-of-pocket expense.

I've had the -40 degree thing after having the nose off (and the temp sensor disconnected) to wire some aux. lights. When I reassembled, I saw -40 degrees for quite some time. So you could have simply a loose connection.

Dave Selvig
2004 Black LT
2000 Canon Red LT



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