Metallic Noise BMW M47

[IKilledyou2b]

Hello everyone, I am calling on all the Bmw specialists on this forum because I have a metal noise problem on my car, it is a BMW 1 series 18d 122hp engine code M47 V.I.N: WBAUG31000PU47817 I will give you a YouTube link to listen to this noise I vehicle is well maintained the oil change was done 2 weeks ago the clutch is new the oil separator as well and the pulley damper to I was replaced yesterday but the noise is still present, according to my mechanic the timing chain is good, the vehicle works perfectly despite this noise, please help me Youtube vidéo

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Can you tell in what area of the engine the noise is coming from? Back, front or top of engine? An automotive stethoscope might be helpful. Was the noise present before all the work you described was done? Maybe an injector? Really hard to say.

[IKilledyou2b]

The problem appeared long before the work was done, the noise is not audible with the hood open from the top, the noise comes from the bottom of the vehicle rather from the rear of the engine