Thread: What is this robotic/whistle sound/noise from engine after shut off
View Single Post
      05-16-2017, 12:46 AM   #8
wcr3d
Captain
461
Rep
659
Posts

Drives: 2013 535i XDrive M Sport
Join Date: Aug 2012
Location: Indiana

iTrader: (0)
Quote:
Originally Posted by S1ammin View Post
Did anyone read this?
It was a vavle in the ac compressor.
Mine doesn't do this so I would say it is not normal. Critical? Not that either, but it would be an irritant.
Appreciate 1
S1ammin44.00
Quote