hi there , have bought a 320 d se 04 few months ago , loved the car but recently ive developed a rattle in the steering column and while driving over speed bumps one day with window open i heard a metallic rattle at the back off the car which has got worse recently , its going to the garage on wed for mot and wondered if anyone got any sugestions to wot the problems are , i dont want the guys at the garage charging me labour for looking for rattles but there very annoying ne thought much appreciated