52 13 030 Removing and installing / replacing backrest frame on left or right front seat (normal / manual).
Remove backrest cover with support, refer to 52 13 405 REPLACING BACKREST COVER FOR FRONT SEAT (NORMAL/MANUAL), LEFT OR RIGHT .
Model with lumbar supports:
If necessary, remove lumbar support, refer to 52 13 050 REPLACING LEFT OR RIGHT LUMBAR SUPPORTS ON FRONT SEAT (NORMAL/ MANUAL) .
If necessary, remove valve housing, refer to 52 13 560 REMOVING AND INSTALLING/REPLACING VALVE HOUSING FOR FROM LEFT OR RIGHT LUMBAR SUPPORT (NORMAL/ MANUAL) .
Disconnect tabs (1) from headrest supports.
Press together interlocks (2) and remove left / right headrest support.