I've not founf anything non BMW worth using.
That area needs sealed up, non BMW crap leaks.
Leaks = check engine light.

We replace the CCV on these probably 10 times pr month fyi.

Sent from my Pixel 4 XL using Tapatalk

__________________
04 E53 4.8
98 E38 4.4
04 Touareg 4.2 (x2)
87 E30 (getting a 4.4/6spd swap)
89 E30, selling it
96 E36 parts car
MK2 jetta with a 1.9alh swap
90 XJ Crawler
2000 XJ crawler in the works
63 Ragtop bug
64 Bug
06 F-350 to drag all the above when they brake.