A3 sline quattro 2.0 tdi 170bhp

Description:

Wana swap my 2.0 tdi a3 sline quattro.
Mot runs out soon, it will pass next one .
It's the 170 bhp one which has been remapped and now has a overboost problem, still drive fine it's only when you floor it and in 4,5,6 gear. Will still go 140mph +.
Been told its a bad remap,
Car has a few little dents and scratches,
Had new cam belt fitted at 154000 miles. it is now 195000 miles.
Full service history up untill cam belt change.
Mot runs out on 5,1,2022
There is nothing wrong with the car mite need a new tyre for mot