Just noticed this noise in my car today. It's present when cold, at low fan speed (goes away if speed is increased) and under braking.
Will execute the WD-40 procedure asap. Did you spray the WD-40 while fan was turned on or off?
BMW 320 dA LCI, BMW PPK - 197HP, 2010, sapphire black, steptronic
Last edited by EQUANT; 01-30-2012 at 03:55 PM.