Hey Sanj
Would that be the motor, that's attached to the right hand side of the intake manifold motor, just below it,...
it is a real bitch to get at, but can be done, just remove as much pipe work out of your way, to give you more room to access it, 4 bolts hold it in place, not that hard when you have done a few...
A few plugs in and around there need to be removed, plus if you car in a ko4, the dv and pipe work.... everything that can be moved to make it easier to get it.
Part number? Intake Flap Control Motor 06F 133 482
if this is correct
http://www.mk5golfgti.co.uk/forum/index.php/topic,67716.msg739314.html#msg739314It is a bit fiddly, but can be done with some patience matey...
Hope that helps and is the correct thing i'm talking about lol...
this went on me a short time after I replace m=y throttlebody, it was harder to do, if you have replaced a throttlebody!
goodluck...