I think he is out of the bidding on this car... someone else made a bid...and he is worried about where he is moving to needing a car better at integrating into traffic from on ramps....
Which I agree with... even with my good running manual trans 240 there are onramps without enough distance provided for getting up to speed before they run out...

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1980 240d ,

chain elongation, cam marks reference:
http://www.peachparts.com/shopforum/showthread.php?threadid=10414

http://www.peachparts.com/shopforum/diesel-discussion/305365-9-degrees-chain-stretch.html

evap fin cleaning:

http://www.peachparts.com/shopforum/showthread.php?t=156207&highlight=evaporator

A/C thread

http://www.peachparts.com/shopforum/diesel-discussion/297462-c-recommendations-mb-vehicles.html