Anyone know what this is??

[jay1]

Did the n249 bypass and found this the wire snapped car runs fine tho
its the little black box just In front of the coil pack

 

[Nilz]

Looks like there is a part number on it, have you tried to google it??

 

[A3-Lee]

Looks to be a suppressor to stop signal interference

 

[epox]

The Audi TT Forum :: View topic - What does part no. 0310 025 015 do?

 

[jay1]

Thank you