Man there are soooo many things out there....

I have 162k on the e34 525i and was wondering if any of your guys/gals have tried any of the following...

Seafoam
Luiqi Moly (motor clean)
Auto RX
1/2 qrt. ATF fluid (?WTF)


are they worth it? do they do more bad than good? results?

thanks!