What to look for? Passat Estate

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Hi all, I am looking to buy a 2009 / 2010 ish Passat Estate 2.0 Diesel. As I understand it, the horror stories regarding VW group 2 Litre Diesels have been largely ironed out by these model years but is there anything else to look out for? I understand the rear callipers can be an issue. Are these engines good for high mileage? My little 1.9 Mk4 Golf workhorse is still buzzing about on 175,000!! All helpful comments appreciated.