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3-Series (E46, E90) Chat relating to the BMW 3-Series from 1999 to Current. Models include: BMW 316i, BMW 318i, BMW 318Ci, BMW 320i, BMW 323i, BMW 325i, BMW 330i, BMW 328 Ci, BMW 328i, BMW 325i/xi, BMW 330Ci, BMW 320d, BMW 330d, BMW 335d.

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Old 07-11-2007, 07:03 AM   #1 (permalink)
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A/C is cooling too much

I've got an annoying problem with my A/C on my E46. After driving a while the climate system is going nuts. It starts to freeze down the car below my preferred temp (19.5'C). As a countermeasure I have to increase the temperature in steps of 2-3 Celsius. Then the car heats up for a few minutes, until it turns back into freezing mode. When I reach 28-29 Celsius the car reach an acceptable temp (I guess real feal is 18'C).

What could be wrong? I've chanced the blower regulator, but no luck.
Any suggestions?


thx,
CB
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Old 07-11-2007, 11:01 AM   #2 (permalink)
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The AC thermostat may not be working propaply, So It's not measuring the temp correctly.
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Old 07-11-2007, 03:08 PM   #3 (permalink)
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Where is the thermostat located? Is it located inside the heater contol unit? Can I read the values with in the hidden OBC options, even my car doesn't have the OBC stalk?

Speaking of OBC, is it possible to replace the turning stalk with a OBC stalk and have full computer features without doing more effort?

thanks,
cb
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