Bit of a random question but my S3 is close to the 141k mileage mark and over the past 6 months I have started replacing tired parts in the engine bay. The latest edition is the huge pipe that connects to the air filter as it was old and the smaller pipes that come off it had collapsed. Also, I have a whine on my turbo but I'm hoping this is due to the pipe I'm waiting on.
Why I'm asking about mileage is is there a point where the engines become unreliable or if I keep looking after it, it should look after me sort of thing? The S3 is a decent car as everyone knows but the thought has crossed my mine to trade it in for a newer one due to the mileage...
Pic (not my actual engine) - http://img717.imageshack.us/img717/9234/non249.jpg