[PrematureApex]

I'd call Quaife, I'm sure they could set you up. Probably have to read them off your current diff part number.

https://shop.quaife.co.uk/quaife-bmw...auto-328i-auto

http://www.realoem.com/bmw/enUS/show...diagId=33_1517

Realoem.com shows that you have the same diff as all of these cars:

• 1' E88   (03/2008 — 10/2013)
• 3' E90   (02/2004 — 08/2008)
• 3' E90 LCI   (07/2007 — 12/2011)
• 3' E91   (02/2004 — 08/2008)
• 3' E91 LCI   (03/2008 — 05/2012)
• 3' E92   (05/2005 — 02/2010)
• 3' E92 LCI   (09/2009 — 06/2013)
• 3' E93   (09/2005 — 02/2010)
• 3' E93 LCI   (09/2009 — 09/2013)
• X1 E84   (06/2009 — 08/2015)

PN:

33107591023

So anything for any of those will work.