November 3, 2018 3:41am
Did you use all the types of reflection probes (irradiance, reflection cubemap, reflection plane) and then bake the indirect lighting? Usually this fixes most of the reflection problems.
Also make sure you turn on screen space reflections, ambient occlusion and the cast shadows option of lamps. Playing with the settings of these three could also help if my first suggestion does nothing for you.
Hope this helps!