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M2 Technical Topics > N55 Engine / Drivetrain / Exhaust / Bolt-ons / Tuning > Alternator Issue?

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      05-31-2017, 02:25 PM   #1
bMira23
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Alternator Issue?

Hi, after 2/3 weeks of owning the car this sound comes out... the sound comes and goes it is not permanent, the sound appears in cold or warm engine...
Do you guys can help me...?

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      06-05-2017, 05:25 AM   #2
3rdcoast228i
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Quote:
Originally Posted by bMira23 View Post
Hi, after 2/3 weeks of owning the car this sound comes out... the sound comes and goes it is not permanent, the sound appears in cold or warm engine...
Do you guys can help me...?

Dude take that thing to the dealer!

Hard to tell from a video what it could be, but it isn't good.

The fact that it comes and goes has me suspecting it's the a/c compressor.

Try turning the a/c off and see if the sound stops.
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      06-05-2017, 02:02 PM   #3
switlikbob
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It almost sounds like fan blades hitting something.
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      06-06-2017, 04:14 PM   #4
bMira23
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Quote:
Originally Posted by 3rdcoast228i View Post
Quote:
Originally Posted by bMira23 View Post
Hi, after 2/3 weeks of owning the car this sound comes out... the sound comes and goes it is not permanent, the sound appears in cold or warm engine...
Do you guys can help me...?

Dude take that thing to the dealer!

Hard to tell from a video what it could be, but it isn't good.

The fact that it comes and goes has me suspecting it's the a/c compressor.

Try turning the a/c off and see if the sound stops.
Quote:
Originally Posted by switlikbob View Post
It almost sounds like fan blades hitting something.
The car its already in the dealer for like 10 days and still don't know...

I thought it was the a/c fan the alternator pulley but sill the sound...

I just wanted to know if anyone had this issue or similar sound... lets see how it ends

Thanks
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