Dear Shabashaly,
Sorry, BP-VG3090EVFTW is not compatible with the PC-O11D in the horizontal position. But you can replace the link with BP-VGAMDLAC-A2, and then you can install the water block in the horizontal position.
https://shop.bitspower.com/index.php?route=product/product&path=67_102_201&product_id=7223