> wrote in message
ups.com...
>
>
> I used Redline D4 in my E36 and a year later the transmission failed.
> That's just an anecdote - I can't say whether it was the oil or not.
>

May be anecdotal, but as I posted earlier there were concerns about tranny
failure in M5's with Redline products. No proof, but enough stories that I
didn't pursue putting in Redline or Royal Purple products in my M5.