Mfactory Helical 215k
MF-TRS-05E46A -lifetime warranty
Brand New in box - bought from another member on here for a '08 335i 6AT but ended up finding a fully assembled diff and fitting that
$1300 including postage
fits heaps of different models...
http://www.teammfactory.com/catalog/.../MF-TRS-05E46A
https://www.ecstuning.com/b-team-mfa...trs-05e46a~tm/
https://www.ebay.com.au/itm/BMW-215k...cAAOSw5dNWsIa