[DAMIAN]

i have a 2000 audi s4 and in 2nd gear between 2000 and 3000 rpm there is a long hissing nosie unlike the regular sound of the turbos. does any1 kno what is the problem? :crying:

 

[bhb399mm]

could be bad diverter valves

 

[A3 KID]

or you have a split in the intercooler hoses or the intercooler itself