Originally Posted by Nigelo
Oh please no! Just got my dct M3 driveshaft delivered - think I'd shed a tear if there's 'complications' Northern Ireland is not a great place for reasonably priced automotive engineering!
The interchangeability of the suspension arms between M3 and us leads me to suspect it'll all be okay for 335i drivers however.
I really drove my car hard after fitting the diff with no issues so I'm hoping that it will ok for you. I've stripped the rear down completely so will hopefully be able to shed some light on the situation. marconi118 did this conversion, so it's interesting to see what he did