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      08-11-2022, 10:49 AM   #1
MoFoHo
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2014 BMW 640D  [10.00]
When do my cars nostrils open?

Hi all! We're experiencing quite the heatwave here in the UK at the moment (well, heatwave for us anyway).

I've never once seen the active vents in front of the radiator open on my 2014 640d, like ever. I've heard the cooling fan come on, only occasionally, (and of course I never forgot to check then). When do the vents open? Do they stay open after turning off the car, even for a short period?

The temp gauge in the dash only ever points to 12 o'clock (once warmed up) by the way.
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      08-11-2022, 09:42 PM   #2
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When did the f06/f12/f13 six series get active vents? Are you referring to the front exterior kidney grille area?

Can you post a pic of these closed shutters so that we can see what you see?
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      08-12-2022, 08:20 AM   #3
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Quote:
Originally Posted by Qsilver7 View Post
When did the f06/f12/f13 six series get active vents? Are you referring to the front exterior kidney grille area?

Can you post a pic of these closed shutters so that we can see what you see?
Here you go, sorry for the poor quality. The vents are way behind the kidney grills. These things must open at some time during driving, right?

(edit: bugs! splat! yummy!)
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      08-12-2022, 01:57 PM   #4
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Quote:
Originally Posted by MoFoHo View Post
Here you go, sorry for the poor quality. The vents are way behind the kidney grills. These things must open at some time during driving, right?

(edit: bugs! splat! yummy!)
WELL!...shut my mouth! Thanks for the pics...it pointed me in the right direction. See info below from BMW TIS about the active shutters in the 640d:


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      08-12-2022, 04:14 PM   #5
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Interesting, many thanks! So I'm not sure which system my 640d has, but I've never seen these blinds open. I think I've only heard the radiator fan kick in just once!
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      08-12-2022, 06:10 PM   #6
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      08-28-2022, 11:46 AM   #7
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Breaking news in the UK! It's nostrils finally opened today! I have no idea why it decided to open them today, it's not especially hot. But when putting the car into the garage, I realised the radiator cooling fan was on, and, voila.

That's put my mind at rest!
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