I was working on the wiring today so I needed to take the drivers seat off of its base, It was horrendously heavy to move it must be about 60 kilos maybe more, it was difficult to slide let alone lift,, AND yes I did remove all the bolts.. It was worse still putting it back on the pedestal. If I need to prove the van below 3050 kg empty to argue a speeding ticket I would certainly take one out along with the table and the mattresses along with all disposable items and fluids. You do not realise the way that individual items go towards making the total empty weight up,, so many bit and they all weigh so much, that is probably why they struggle so much to get a van miro to an acceptable level.