[Hubu]

Hi,

I've recently gotten into this sound in my 316D F30 (N47T).

I know it might be difficult to troubleshoot, but I want to give it a shot, maybe somebody will be familiar with this sound?

The sound is coming from the front of the engine (where all the pulleys are). I've changed the harmonic balancer (because of vibrations), and today I've changed the serpentine belt tensioner and the belt itself - hoping it was the culprit. Alternator pulley seems to be fine, so is the water pump pulley + the AC pulley.

The weird thing is that this sound doesn't start when the car is cold, it only happens after driving a short distance.

Link to the video: https://www.youtube.com/shorts/hhhqJxXT9Ik

Cheers!