This really isn't a very good thread at all, but it's the best I could find, looks like the dealer can do it..http://www.e90post.com/forums/showthread.php?t=8903 ..maybe..

 

or ya go to a scrappy and get the metal bit that goes in off a old seat belt..slot it in.

 

Found it

yes theres a way to delete that noise speaker chime
is a very easy diy it took me like 15 minutes

tools :

3m electrical tape

cost
2.59 : )

hope this helps others like me

i do it in a E87 120i hatchback but the cluster is the same



step 1 . take out the cluster

step 2 . disconect the cable from back

step 3 . with the cluster in your hand , open the cluster in the back are some black clips

step 4. now are 3 white clips and tthe black plug for the harness

step 5 . now you see the little black speaker

step 6 cover the speaker with electrical tape

now your done enjoy!!!


PICS are here:
http://www.1addicts.com/forums/showthread.php?t=246056

Maybe it's an easyer way, but I think you haveto get a dealer to do it.. In norway they whould never ever accept that

 

i would do as above just go to a scrappy and get the buckle bit off and old seat belt and pop it in.