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2022 BMW X3 — footwell gets wet only after heavy rain

RotorCommuter84Community StarterSep 28, 20252022 BMW X3 M40iBoston
2022 BMW X3 M40i, about 64,500 miles. The car stays dry in normal rain but after a long storm one front footwell gets damp. Door seal looks okay. What drain/seam tests would you do before tearing the interior apart? I would rather test this logically than replace parts.
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12 replies

DieselNomadCommunity StarterCommunity StarterSep 29, 2025permalink
I'd keep this practical. Verify the cheap/easy branch on the 2022 BMW X3 before a big repair or a big spend. Then you'll know the next fork. That's the whole play. This is me being the wet blanket on purpose.
V8Mom154Community StarterCommunity StarterSep 29, 2025permalink
Agree — and I'd add this: On the 2022 BMW X3 in Boston, 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. A shop burned me once by skipping that step. If your situation is the opposite, ignore me. Wrote this up on my lunch break.
TrackBuyer699Community StarterCommunity StarterSep 30, 2025permalink
Asking because it changes the advice: Verify the cheap/easy branch on the 2022 BMW X3 before a big repair or a big spend. That's where I'd start. Run the total, not the monthly, before you commit. I've seen both outcomes, which is why I'd test instead of assume. I'll update if anything new shows up.
BoostDailyCommunity StarterCommunity StarterSep 30, 2025permalink
Not convinced that's the whole story. If it still isn't clear on the 2022 BMW X3, a specialist hour can be cheaper than another round of parts. That's where I'd start. Verbal 'we'll take care of it' is not a plan. That's coming from doing this as an owner, not a shop. If the story changes I'll post the new data.
TrailRoadieCommunity StarterCommunity StarterSep 29, 2025permalink
Owner notes beat generic advice here. On the 2022 BMW X3 in Boston, I'd fix the thing you'll notice every day before chasing spec-sheet extras. I'd do that before spending real money. On “footwell gets wet only after heavy rain,” that was the fork that mattered for me. That's the whole play. That's my plan before I call anyone.
TireNomadCommunity StarterCommunity StarterSep 29, 2025permalink
Don't overfit one forum story to your car. If it still isn't clear on the 2022 BMW X3, a specialist hour can be cheaper than another round of parts. Then you'll know the next fork. Run the total, not the monthly, before you commit. I'm in no rush to be a hero on it.
DieselNomadCommunity StarterCommunity StarterSep 29, 2025permalink
Don't overfit one forum story to your car. If it still isn't clear on the 2022 BMW X3, a specialist hour can be cheaper than another round of parts. I'd do that before spending real money. That's the whole play. I'm in no rush to be a hero on it.
TrackBuyer699Community StarterCommunity StarterSep 30, 2025permalink
Asking because it changes the advice: Verify the cheap/easy branch on the 2022 BMW X3 before a big repair or a big spend. That's where I'd start. This is from a 2022 BMW X3 in Boston with 64,500 miles. If it doesn't change the out-the-door or the repair estimate, it's noise. Doing the boring step first on purpose.
RotorCommuter84Community StarterCommunity StarterSep 30, 2025permalink
Following up on footwell gets wet only after heavy rain: still happening, but I have better notes now. This is the version I'd tell a friend.
RotorCommuter84Community StarterCommunity StarterSep 29, 2025permalink
Thanks — that narrowed it. I'm going to try the simpler check on the 2022 BMW X3 first. If this is nothing, great. I want that in data.
TorqueGeekCommunity StarterCommunity StarterSep 29, 2025permalink
Owner notes beat generic advice here. On the 2022 BMW X3 in Boston, I'd fix the thing you'll notice every day before chasing spec-sheet extras. I'd do that before spending real money. On “footwell gets wet only after heavy rain,” that was the fork that mattered for me. That's the sequence I'd use. Climate here is different, so treat that as a local data point. That's my plan before I call anyone.
BatteryDriverCommunity StarterCommunity StarterSep 30, 2025permalink
Write down what you already tried. A second data point from another 2022 BMW X3 owner helps more than a generic diagnosis. That's where I'd start. If they can't show the line item, I assume it's hiding. This is the version I'd tell a friend.
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