What is this part called and it's function?

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Apr 10, 2025 | 01:20 PM

Alfh

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What is this part called and it's function?

Hi,

I have a 2011 Audi A7 C7 3.0 TSFI Quattro Right hand drive.

Please see these photos. I'm wondering what the little caps are circled in blue? I am missing the inner two. Should they have caps like the outer two and what function do they serve? Are they sensors of some sort? Where could I get replacement caps?

Thanks in advance,
Alfie

PS nevermind how dirty the car is. It's going for a detail soon!

Apr 14, 2025 | 02:52 AM

Alfh

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Joined: Jun 2022

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Thanks so much Kelisko!

Do I appear to be missing the whole sensor or just the cap?

Thanks,
Alfie

Apr 14, 2025 | 03:00 AM

Alfh

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AudiWorld Junior Member

Joined: Jun 2022

Posts: 11

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Thanks for the quick reply! so I could in theory push the caps in from the front? Or would I need take the sensors out and refit. Just watched a video, seems straightfoward enough.