Thanks Steamyrotter,
Are you saying they may not be fitted correctly or could have been possibly damaged in the re-fitting?
I will call the garage tomorrow and book it in again..
I've also been doing some research and other suggestions are:


Change the diff fluid - however as this is new I'm not ...

Thanks for your reply Shreksta.

The garage checked the ratio with the diff that came off the car and with BMW when they ordered it... that isn't to say it is the correct one.. I think it was the 3.91 ratio they ordered.. Any further advice / thoughts?

Steamyrotter - is there any other advice why ...

After my X5 (3.0d 2005) broke down last week with a destroyed front diff, I decided to purchase a new one from BMW to be fitted by my usual garage (Total cost £1660).
I now have another issue.
When the steering is at full lock and I move either forwards or reverse there is a rumble/juddering.
My ...