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      06-30-2019, 03:15 PM   #10
oakey46
Second Lieutenant
United Kingdom
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Drives: X1 xLine 1.8i Auto. Med Blue
Join Date: Jan 2018
Location: England

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Quote:
Originally Posted by knightarmor View Post
If you leave the A/C on constantly (like literally don't turn it off prior to turning off the vehicle) try turning it off before turning off the car and then turning it on after turning the car on. My wife's X1 had the same problem, I noticed she would leave the A/C system just on when turning the car off. I told her to start turning it off before turning the vehicle off and the smell has gone away.

My theory is that some vents stay open when you leave the A/C on prior to turning off the car and this causes the unpleasant damp odor over time.

It's been about a month since since we started making sure the A/C is off prior to turning off the car and so far so good.
The aircon/climate control will switch off in any event when the car ignition is switched off; certainly with UK X1s. If you are hearing a fan noise after the engine has stopped, it's the engine/radiator cooling fan, which will run on for a while if the engine is hot and that function is controlled by a thermostatic sensor.