I don't understand why when I press the brakes before starting the car it doesn't do it? I even developed a habit of turning the ignition on press the brakes for a while then start the car

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The dealers here are clueless and I didn't want them to tear my engine apart not knowing the fix.
I'm not convinced it is normal.
Quote:
Originally Posted by ///M Power-Belgium
Yes,in #6 above someone said it's the cold start cycle and so normal,i'm not agreed with this, because for the moment my cold start cycle is removed with the BPM/Tune and i have still the same clunk noise !
Now i will say it again,when our cars are driven daily than there is no clunk noise !
Also it's realy strange to hear when you tap the brakes a few times and after press them for 30 secondes you don't get the clunk noise,so i realy need to try this a few weeks and will post the result ! And asking my self now what has the brake to do with this problem ?
So now the mystery is even bigger !
When can read,write, and think about it,but what we need is a solution,because we are not alone with this problem ! And i would love to see more reactions on this forum about this problem !
My car was 2 times at my BMW/Dealer but without result !
And after 2 years there is still "no" solution for this clunk noise ?!?! 
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