[Discosal]

HI,
Does everyone have this turbo whining sound from the engine every time you hit the gas pedal when the DS start moving?
I Was expecting to get it somewhat improved in all the recent updates and recalls but unfortunately no major change with that....

 

[4sallypat]

At high altitude - yes on the DS.
The noise was very pronounced during acceleration only - sounded like a high pitched scraping or whistling sound like the brake pad bolts were scraping on super worn rotors.
I figured it was just the lack of oxygen in the air at 9,000 feet above MSL.
Made the car sound cheap while driving around the mountain roads.
I haven't heard it since returning from the mountains,
Can you record this sound for us and post it ?

I had this same issue on my 2013 BMW X5 diesel - the twin power turbos would whistle when accelerating at sea level and a recall fixed it - something about putting a damper sound panel on a turbo hose...

 

[Discosal]

It indeed seems to be related to air/temperature as today it was a little bit tricky for me to reproduce the sound (It got warmer - middle 40's here today).
The recording is in the below link - You can hear the whining during acceleration only between 11-14 sec. and also in 1:11.
https://www.dropbox.com/s/bkf62tvy709wrlh/recording03.wav?dl=0