No advice, but you're going to replace the 6 cylinder diesel with another 6 cylinder diesel?
More easy
will be swap with BMW common rail engine. 3.0d. No big challenge there only oil pump and oil pan need to be adjusted/remade.
Really nice powerful and strong engine.
It has been done before but only with a manual gearbox. If you do a search a couple of examples should come up. The auto box needs info from the engine ECU to change smoothly, so it will not work if you change the engine. It would be easier to start with a manual diesel p38, so there isn't a problem with the pedals. The engine is a bit longer and the sump needs to be cut and welded I understand.
Yes, done and still workingHave you done one before ? Just wonder about the maf sensor and diesel pump I can't amagin the tds engine ecu is going to have a different map and might be working of an analog signal for crank and can shaft sensor ?