Flipped Normals in UE4 (2.8) - file included (<1MB)

I’m having issues importing this mesh in UE4. No matter what I do the normals are messed up.

This is the mesh in blender:


This is unreal (mesh normals displayed correctly but inverted):

here in unreal if I flip the normals in blender (faces are the right way but the normals are completely messed up):

Here is the file:
https://drive.google.com/open?id=1mI9rMnN9vTpReoGubySZBPN0o5QKrc_0

It’s because you have a negative scale (-0.060). Apply scale on your object, it will flip object normals than flip these normals to outside.

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Thank you man !