Source for frame rail covers/plugs?

[Bmachine]

I vaguely seem to remember a thread on this but I can't find it anymore. Hard to find the right search words as this is not clearly named.

I am looking to plug the holes in the engine bay part of the frame rails. Those narrow but long rectangular holes. Visible right under the wrapped wiring harness here:

Thank you.

 

[aearch]

GO TO HOME DEPOT GET ONE CLOSE AND TRIM IT THATS WHAT I DIDM

 

[Bmachine]

Where would you find that at homedepot?

Do you have any pics?

 

[aearch]

ALSO YOU MIGHT TRY
PLUGS AT BMW I BOUGHT A BUNCH OF PLUGS FOR THE 5 SERIES AND FILLED ALL THE HOLES IN THE HOOD

 

[m5bb]

Here's few.
https://www.steelerubber.com/plugs

 

[Stevehose]

I keep these open to allow air to get in there and keep moisture from accumulating

 

[Bmachine]

Thank you Alan, Gary and Steve!

 

[OCCoupe]

They aren't supposed to be plugged.

 

[Stan]

They aren't supposed to be plugged.

Ask HBChris...

 

[Ohmess]

I thought those were to catch all the little fasteners I dropped.