I picked up two Bosch manuals addressing the 3.0 D-jet engine (about 36 pages in all) from ebay.de. I will scan and see if can render the Deutsch into English - using Google translate and some very marginal German skills from a school class. I don't how available these are, but if they can already be found in English, please let me know to save me the challenge. Likewise, if you think these would be of value to the community, encouragement welcome too.
Paul
Paul