the car is 4x4 285bhp spec.

i use the car everyday and sometimes when it is started, i have some blue smoke coming from exhaust, what is this and why? when i look under bonnet, from turbo to manifold area there is small smoke/steam, what is this?

also when engine is idling, there is small rattle type sound, it is not constant, and is mostly when cold, the idle goes low a bit then i hear a rattle, is this engine mount? or inside engine problem?

the problems come in 3's the dream car is now the nightmare car