So the 2.3 has a chain rather than a belt? Do the tensioners need doing every so often? To be honest the 130k engine in my sharan is a peach - more poke than the other options and not too thirsty either. It's rust that's killing it. Failed mot on corrosion for 2nd year running. Is that so common or was I just unlucky? Also, did the wiring through the doors improve at any particular point or can I still expect a 2004 model to flash it's lights every time I hit the brakes?