You'll probably want a new TCV (turbo control valve) at that mileage if turbo isnt boosting as well as expected.
On my S40 T5 these need changing around 100,000 miles (though on S40 it is located right next to the turbo so more affected by heat than on the S60 T5).
It's the small black plastic valve with 3 vaccum lines going into it, clipped to the side of the airbox.
Value is 30 ish if you look online. Pierberg boost pressure value.
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