Did it drive out - or was it floating?

looks as though they were pushing in photo 2 and sinking in photo 3!
It is a P38a (prev. generation) and the lights show that it is a pre-face lift model (indicators go white later) so probably 1996 / 7 ish...
Depending on petrol v diesel and whether the water got to the ecu it might have been able to cope with that... air intake is above the battery right under the bonnet lid on the front right when facing it - so if diesel the engine will be fine - just depends on electrics... wading depth is 500mm, which is less than that - but they will go through much deeper - biggest problem is electronics with ecus under seats...
great fun though!
Alasdair