Everything I find shows that bowden cable as part of the outside door handle carrier, which is part #51217044839.

Here’s the RealOEM diagram: http://www.realoem.com/bmw/enUS/sho.../bmw/enUS/showparts?id=AN37-USA-09-2000-E46-BMW-325i&diagId=41_1354#51217044839.
And here’s the part from FCP: https://www.fcpeuro.com/products/bmw-carrier-outside-door-handle-front-left-51217044839.

For example:



That video playing in your first attachment is from Bimmer Merchant and you might be able to find the cable sold as a separate item from them or other auto dismantlers.

 

Everything I find shows that bowden cable as part of the outside door handle carrier, which is part #51217044839.



Here’s the RealOEM diagram: http://www.realoem.com/bmw/enUS/sho.../bmw/enUS/showparts?id=AN37-USA-09-2000-E46-BMW-325i&diagId=41_1354#51217044839.

And here’s the part from FCP: https://www.fcpeuro.com/products/bmw-carrier-outside-door-handle-front-left-51217044839.



For example:







That video playing in your first attachment is from Bimmer Merchant and you might be able to find the cable sold as a separate item from them or other auto dismantlers.

Hey thanks man
I was looking at the diagrams and couldn't find it .
I might just buy the handle carrier with the cable .

 

Found it ! Part # 51217044839 like he said ^
Door handle Carrier comes with the Bowden cable for anybody that may be looking for this part .
Pic for name search don't get ripped off

sorry for the shitty pics