Never seen this site before...

[genphreak]

http://www.exx.se/

... but it has some quality links- not all of which are old.

Some nice e34 info and write-ups.

Maybe you've seen it before, but I had to post about it- it's always good to find good work being done on the most practical large car chassis ever made... ;-)

[shogun]

Link is on my website quite some time already, he even used pics from me to explain the cluster versions. Good site

[genphreak]

I should have known, or checked as I'm not surprised it is! Thanks Shogun! It really is cool that someone has gone to the trouble you have to share and curate links to all this knowledge!

[genphreak]

Link is on my website quite some time already, he even used pics from me to explain the cluster versions. Good site

All kinds of LSDs and diff parts...

http://www.difflab.com.au

Diffs, all kinds, all types for almost any BMW... and with the AU dollar sooooo low, these will be cheap to you overseas Bimmernuts!