Well, if the timing chain rails are getting brittle (good odds there), and one breaks and throws the timing off, you could be looking at around 4-5k for repairs.
Other than that, you really need to check the car out. Ask the FIL what sort of work was done....doesn't he have any maintainance records??

Is this a Euro model?

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It is a truism that almost any sect, cult, or religion will legislate its creed into law if it acquires the political power to do so. Robert A. Heinlein


09 Jetta TDI
1985 300D