No serive history or any other papers work

[Jay wilko]

Ive just bought an a3 sline 2007 with 190k miles I bought it from my hart not my head what can I do to the engine to have peace of mind it will run for another 70k please need some advice thank you 

[Steve Q]

Well, I'd advise speaking to Audi to see what service history they have on it. That'll give you some service history at least. 

But with no history, you'll need to do a full service including Cambelt and water pump change. You may as well change the thermostat whilst you're at that. Then do a gearbox oil change too. 

[Magnet]

Hello Jason, 

Many thanks for joining and posting your question.

Although that’s a high mileage for any car, it’s not to say the engine won’t continue to give good service - but for another 70k -? 
You don’t give us much to go on Jason, to be able to advise - petrol or diesel, your anticipated annual mileage, typical journey length, whether you do your own servicing and repairs etc. etc.etc? So answering your question is a bit like like waving a magic wand. 
Apologies if it goes without saying, but although an engine is a major component, every other moving component on the car will wear/ be worn, so you will need to assess the serviceability of everything else. 
My suggestion is to have the car ‘health’ checked, or if you are able - fully assess it yourself. Following that, I too would do as Steve suggests. 
Perhaps you could let us us have the answers to the questions Jason. 
Kind regards,

Gareth.