£700??
To remove it, you simply remove the bumper - 4 Bolts. OK, they are a bit fiddly.
Then undo the brackets if they are still attached. Then release the 2 hoses, top and bottom and take extract the cooler.
Job done.
I reckon you could have that sewn up in under an hour. It's only the fact that the Bumper bolts are fiddly and they
may break off that may take a little longer.
£700? You must still be walking bow-legged after that one.
We charge £200 to do a 200SX FMIC and there is some chassis cutting involved in that, aswell as a hole through the battery tray to cut.