My dash is non leather and severally cracked in several places. My rear window shelf looks just as bad. Can someone please advise me (step by step) on how to remove both the dash board and the rear window shelf? I want to have them both covered in fake leather or fake swede.

1991 525i
1995 840ci
1996 328i
1997 328i
1999 528iT
1985 635csi