We’re recently completed a 200tdi engine conversion in a Series 3 88″.
We used a Steve Parker Exhaust system to get the gasses out the back and custom boost hoses to get them in the front. We ran with the turbo but no intercooler. The original radiator was used to keep the front looking standard (other than an oil cooler which we’ve plumbed in).
The engine was sourced and rebuilt to ensure its long life.