bmw 650i great coupe cold engine noise

[franco5068]

Hello, I am new in this forum. I have a problem with my bmw 650i grand coupe 2014 that has me quite worried. It has this sound with the cold engine. Once several minutes pass and the engine catches temperature it is completely removed. which may be?



<span tabindex="0" lang="en"> cold engine noise

<span tabindex="0" lang="en"> hot engine after a few minutes the noise has disappeared



hot engine after a few minutes the noise has disappeared

[MIKYZZ4]

Best case I'm suspecting a worn pulley,
or possibly a component such as waterpump,fan,alternator, or ac clutch.

[Niheem]

did u find out what is was

[Niheem]

wow that looks awsome were did u get your head lights and fog lights