The V1 is the same shape as the OEM bumper so the washer jets will fit perfectly once the hole is cut out
But according to the mainland MOT procedure, the washers only have to work if fitted, so if you fit a V1 without washers, you can't fail for them not working if they're not fitted
Over here in NI ours states differently, it says where HID headlights are fitted, the car MUST be fitted with headlight washers which must work. But on Saturday I got through the MOT with my V2 and no washers. The tester asked if I had washers, I said no, they asked if they were aftermarket lights, I said no, I passed