Low performance and lots of blue oil smoke = dead turbo leaking lots of oil into the exhaust from ruined bearings and leaking seals.

Mine didn't blow the blue smoke, but believe me, you NOTICE the lack of power.

Peter

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1972 220D ?? miles
1988 300E 200,012
1987 300D Turbo killed 9/25/07, 275,000 miles
1985 Volvo 740 GLE Turobodiesel 218,000
1972 280 SE 4.5 165, 000 - It runs!