I have had my 2010 TDV8 off the road for the last 4 months while I do some upgrades in the engine bay area. During the last 4 months I have only driven the car twice (about 20km).

What is obvious is that the hoses for the intercooler discharge are sweating a oily substance badly (after being cleaned and driven once) and the hoses attached to the dynamic response fluid container are also sweating an oily substance. There is no leak from the dynamic response fluid reservoir.

The car has 33,000km on the clock.

The hoses for the intercooler discharge are not hard (very flexible actually). Same with teh dynamic response hoses.

Would replacing them solve this problem. I would add the intercooler discharge hoses have always been very oily on the outside from new.

As long as coolant hoses aren't sweating oil I wouldn't worry