Hello have been today from the tuning world on the way home and driven in average 150, then came some open sections, because I thought I could drive my car out because I cniht knew exactly how much he brought on tacho….180 – 190 he brought, the bin cihd ann also drove about 5 min until temperature constantly rose and remained in the red area. on the parking lot waited 10 min, continued driving, then the same game again.. at 150 happens nix, at 180 and more he will z u hot…can I explain to one of you?! cooler works, fluidity is enough (but diluted with some water) mfg mepuma