52 13 020 Removing and installing / replacing seat frame on left/right front seat (normal/ manual): Installation:
Note routing of line (1) for seatbelt tensioner.
Secure rubber ring (2).
Secure line (1) for seatbelt tensioner with cable tie (2).
Unclip connector (1) and secure line (2) with cable tie (3).
Version with seat heating / lumbar support:
Secure line (4) with cable tie (5).