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Thanks -
You've confirmed my feelings re. the turbo - occasional high maintenance costs, high fuel cost, thus not the reliability champ we love.
Re. the 16-valve, I've heard from more than one working mechanic to avoid it.
Also heard that they used the lessons learned for the 5-cyl.
So yes, the 5-cyl is in many ways the same, and also the same as the 6-cyl, but it seems the 5-cyl has the solutions to the issues that plagued both of its progeny, and apparently even the latest and best of its progeny (the 4-cyl 16-V and the 6 cyl) did not have those issues resolved.
I did hear that there were lots of update-fixes available to the 16V. That is, if you owned one and kept taking it in to the dealer. Dunno who paid for the work. But apparently still not worth looking for and buying.
I did see and test drive a 740 wagon w/16V that had some upgrades. I noted radiator hoses with big arrows on them indicating coolant flow direction - direct opposite to the standard direction! Into the radiator from the exhaust side of block, and out the radiator to the intake side. I believe the thermostat was in its usual place, receiving flow in the reverse direction. Also had R134 (R134A??) A/C refrigerant.
Unfortunately the tranny grunted and growled when put into gear, with rotten tranny fluid on the dipstick. That did it for me.
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