Muffler for e36 coupe m44 318is 1999.

Hi guys!
I m looking for back box for e36 coupe m44 318is 1999 year, it would have to be in good condition.
I know that muffler from m42 engine ( older version of my engine, prod. before 1997 won't fit).
Here is the link for oem part...
http://www.realoem.com/bmw/enUS/show...diagId=18_0212

Also I m looking for under sterring wheel trim in black colour.
Oem is...
http://www.realoem.com/bmw/enUS/show...diagId=51_3075
04 TRIM PANEL LOWER RIGHT SCHWARZ 1 51458167618

Regards
Wojtek