2017 Audi Q7 — footwell gets wet only after heavy rain

I'd keep this practical. Verify the cheap/easy branch on the 2017 Audi Q7 before a big repair or a big spend. I'd do that before spending real money. Have you gotten a second quote in writing? I'll update if anything new shows up.

Write down what you already tried. A second data point from another 2017 Audi Q7 owner helps more than a generic diagnosis. I'd do that before spending real money. When does it actually happen? I'd sleep better after that step, even if it finds nothing. If this is nothing, great. I want that in data.

Don't overfit one forum story to your car. If it still isn't clear on the 2017 Audi Q7, a specialist hour can be cheaper than another round of parts. That's where I'd start. Time, temperature, and whether it's in gear are the notes that actually help a shop. If the story changes I'll post the new data.

Owner notes beat generic advice here. On the 2017 Audi Q7 in San Diego, I'd fix the thing you'll notice every day before chasing spec-sheet extras. Then you'll know the next fork. On “footwell gets wet only after heavy rain,” that was the fork that mattered for me. Stop there until you know. Wrote this up on my lunch break.