52 13 455 Replacing Heating Elements For Left Or Right Front Seat (Basic)
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2013 BMW 128i, 2012 BMW 128i, 2011 BMW 128i, 2010 BMW 135i, and 2010 BMW 128i. However, it is still accessible from the selected car via links, so may be relevant.
Necessary preliminary tasks:
- Remove seat cover . Refer to 52 13 400 Replacing Seat Cover On Left Or Right Front Seat (Normal/Manual) .
NOTE:
Foam section and heating mat must be replaced.
Heating element is bonded to the foam section and cannot be separated from each other without incurring damaging.
Foam section and heating mat 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 mat:
- No obvious damage or material defects
- All tear-off film pieces presents
- Note variant by examining label on cable
Guide cable for backrest heating through foam hole.
Stick on main section (1):
- Pull adhesive film pieces off main section (1) and stick to upper edge of main section foam until flush
Stick on bead section (2):
- Pull adhesive film pieces off bead section (2) and stick on heating mat along bead section edges.
- Press down evenly in outwards direction
Guide cable for seat heating through foam hole.
Stick on main section (1):
- Pull adhesive film pieces off main section (1) and stick to upper edge of main section foam until flush
Stick on bead section (2):
- Pull adhesive film pieces off bead section (2) and stick on heating mat along bead section edges.
- Press down evenly in outwards direction
Check laying of heating mats:
- Heating mats laid without folds
- Heating mats correctly positioned
- All bonding surfaces stuck on
NOTE:
Carry out function check
. Refer to 52 14... Performing Function Check With Adapter Cable (For Seat Repairs)