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UE4 Normal map seams big problem

Lizardsking
polycounter lvl 4
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Lizardsking polycounter lvl 4
Hello, I was working with normal maps and everything was fine. Until I start work in UE4. Where I get strong light seams in UV edges and nothing helps. That's my problem:

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My pipeline:

1. I do high poly model in ZBrush

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2. Do low poly model with Freeform>Draw on: Surface. It wasn't triangulated, I just tried everything to solve problem

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3. Unwrap in Headus UVLayout v2 Pro. I did seams in visible places to see the result.

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4. Bake in Xnormal. Not change default setting except Normal map X+ Y- Z+

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5. Export it in engine and see the result.
In UDK: all good

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In UE4: all sucks

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What settings was changed in UE4? HELP ME!!!

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