BMW 520i E39 M52 cold engine noise

[DrMotorDude]

So, too keep anyone else from guessing ... where was the vacuum leak and what was the fix??

[jbaroli]

vacuum leak definitely

[CosminRotaru]

ICV? did you found out what was the issue?

[Dualshock21]

Dont look like a turbo will fit in there

[TruenoSk]

@Dualshock21

what ? what turbo ? 

[MrAlex530i]

How are the idle RPMs? 800? sounds like a vacuum leak in intake manifold, maybe i am wrong, but check the pipes

[TruenoSk]

@MrAlex530i

RPMs are 800 stable, ok i check the pipes