52 14... Replacing heating element for left or right front seat

WARNING: This page is about a different car, the 2013 BMW 550i GT, 2012 BMW 550i GT, 2011 BMW 550i GT, and 2010 BMW 550i GT. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks

Remove seat fabric . See 52 16 402 REPLACING SEAT COVER FOR DRIVER'S SEAT (SPORT) , 52 17 402 REPLACING SEAT COVER FOR DRIVER'S SEAT (COMFORT) , 52 14 402 REPLACING SEAT COVER FOR DRIVER'S SEAT (NORMAL/ELECTRIC) , 52 14 403 REPLACING SEAT COVER FOR FRONT PASSENGER SEAT (NORMAL/ELECTRICAL) (UP TO 09/09) , 52 16 403 REPLACING SEAT COVER FOR FRONT PASSENGER SEAT (SPORTS, 09/09 ON) or 52 17 403 REPLACING SEAT COVER FOR PASSENGER SEAT (COMFORT) (FROM 09/09) .
Remove backrest cover . See 52 14 407 REPLACING BACKREST COVER FOR DRIVER'S SEAT (NORMAL/ELECTRIC) , 52 14 408 REPLACING BACKREST COVER FOR FRONT PASSENGER SEAT (NORMAL/ELECTRICAL) , 52 17 407 REPLACING BACKREST COVER FOR DRIVER'S SEAT (COMFORT) , 52 17 408 REPLACING BACKREST COVER FOR FRONT PASSENGER SEAT (COMFORT) , 52 16 407 REPLACING BACKREST COVER (SPORT) FOR DRIVER'S SEAT or 52 16 408 REPLACING BACKREST COVER FOR FRONT PASSENGER SEAT (SPORT) .

NOTE: Side heating elements (side sections) are bonded with a foam section and cannot be separated from each other without causing damage.
Foam section and heating elements must be replaced.

Check new foam section:

No obvious damage or material defects
All trim wires present in foam
No bubbles in foam section
No dirt/contamination on foam or residual foam
Pay attention to foam section on left and right

Check new heating elements:

No obvious damage or material defects
All tear-off film pieces presents
Note variant by examining label on cable

Stick on bead parts at top (1) and bottom (2):

Detach adhesive film from left or right bead parts in succession and stick on heating elements along bead part edges.
Press down evenly in outwards direction

Fig 1: Identifying Sticking On Bead Parts At Top And Bottom
Courtesy of BMW OF NORTH AMERICA, INC.

Stick on bead parts (1):

Detach adhesive film from left or right bead part (1) and stick on heating element along bead part edges.
Press down evenly in outwards direction

Fig 2: Identifying Sticking On Bead Parts
Courtesy of BMW OF NORTH AMERICA, INC.

Check laying of heating elements:

Heating elements laid without folds
Heating elements correctly positioned
All bonding surfaces stuck on