NHTSA ID Number: 11020926
Manufacturer Communication Number: B640425
TSB/Document Date: 2025-07-28
Summary
The following air flap and/or air temperature sensor faults are stored in the BCP. 80114D - Stepper motor: Unexpected error in Driving Cycle 801168 - Temperature sensor ventilation left or ventilation: short to ground 80116A - Temperature sensor ventilation right: short to ground 80116B - Temperature sensor ventilation right: short to plus or open circuit 80116C - Temperature sensor footwell left or footwell: short to ground 80116D - Temperature sensor footwell left or footwell: short to plus or open circuit 80116E - Temperature sensor footwell right: short to ground 80116F - Temperature sensor footwell right: short to plus or open circuit 80435B - Stepper motors: short-circuit by mass To prevent harness damage the wiring harness will receive a new retention strap the next time the vehicle comes to the shop for its cabin air filter service.
7/28/25, 10:23 AM
64 04 25_SERVICE ACTION: HARNESS DAMAGE POSSIBLE WHILE CHANGING CABIN NANOFILTER
SIB 64 04 25
2025-07-25
SERVICE ACTION: HARNESS DAMAGE POSSIBLE WHILE CHANGING
CABIN NANOFILTER
This Service Information Bulletin (Revision 2) replaces SI B64 04 25 dated April 2025.
☒
☐
THIS REPAIR IS MOBILE FRIENDLY
THIS REPAIR IS REMOTE SOFTWARE UPGRADE (RSU) FRIENDLY
What’s New (Specific text highlighted):
This bulletin has now become a Service Action
Model: G73 Embassy Vehicles, 7 Series Protection added
Affected Vehicles added
Situation updated
Correction updated (new harness retainer)
Procedure updated (new harness retainer)
Parts Information added
Claim Information added
MODEL
E-Series
G60
G70
G73
G90
G99
Model Description
5 Series Sedan
7 Series Sedan
7 Series Protection (“Embassy” vehicles)
M5 Sedan
M5 Touring
Please perform the procedure outlined in this Service Information on all affected vehicles the next time the
vehicle is in the shop for the cabin air filter service if the campaigns have a status of remedy available.
AFFECTED VEHICLES
Vehicles which require this campaign to be completed will show it as “Open” when checked either in AIR,
AWP, Campaign Summary, or Warranty Vehicle Inquiry
Please make sure you check your center’s inventory as soon as possible. You can see a list of affected
vehicles in Inventory Campaign Details (ICD) under ROSS.
For centers that qualify, this Service Action’s repair is eligible to be performed via Mobile Assistance
SITUATION
The following air flap and/or air temperature sensor faults are stored in the BCP.
80114D - Stepper motor: Unexpected error in Driving Cycle
801168 - Temperature sensor ventilation left or ventilation: short to ground
80116A - Temperature sensor ventilation right: short to ground
80116B - Temperature sensor ventilation right: short to plus or open circuit
80116C - Temperature sensor footwell left or footwell: short to ground
80116D - Temperature sensor footwell left or footwell: short to plus or open circuit
80116E - Temperature sensor footwell right: short to ground
80116F - Temperature sensor footwell right: short to plus or open circuit
80435B - Stepper motors: short-circuit by mass
To prevent harness damage the wiring harness will receive a new retention strap the next time the vehicle
comes to the shop for its cabin air filter service.
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of North America, Inc.
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7/28/25, 10:23 AM
64 04 25_SERVICE ACTION: HARNESS DAMAGE POSSIBLE WHILE CHANGING CABIN NANOFILTER
CAUSE
When servicing the cabin air microparticle nanofilter, it is possible to damage the vehicle’s wiring harness
while re-installing the retaining screws for the cabin air nanofilter’s plastic cover.
CORRECTION
Use caution when re-installing the plastic cover for the cabin air filter to ensure no damage is done to the
vehicle’s wiring harness.
Add a retainer to the harness to prevent it being
pinched under the air filter plastic cover.
PROCEDURE
When following Repair Instructions REP 64 31
010 to change the cabin air nanofilter, check the
vehicle wiring harness routing (circled) before
fastening the plastic cover over the filter.
This is where the harness can be damaged when
installing the cabin air filter cover screw.
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64 04 25_SERVICE ACTION: HARNESS DAMAGE POSSIBLE WHILE CHANGING CABIN NANOFILTER
This shows the harness damage; the sheathing
has been abraded.
With the harness pulled out of the way, you can
see the screw mounting hole for the cabin air filter
cover.
Double check the routing of the harness prior to
installing the screws for the cabin air filter cover.
If the wiring harness has already been damaged
during the installation of the cabin air filter cover,
the damaged section of the wiring harness must
be repaired.
The original harness retainer must be disconnected. This is shown by the red arrow below. It can be
left clipped into vehicle but must be disconnected from harness for strain relief.
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64 04 25_SERVICE ACTION: HARNESS DAMAGE POSSIBLE WHILE CHANGING CABIN NANOFILTER
Install a new harness retainer with cable strap on the Instrument Panel wiring harness, see green
arrow.
PARTS INFORMATION
Use and invoice the part number listed below.
Part Number
Description
61 13 9 200 225
Cable Strap with Bracket
Quantity
1
CLAIM INFORMATION
Reimbursement for this Service Action will be via normal claim entry utilizing the work package information
below and the part number listed above.
Defect Code:
0061270900
Below is the special flat rate labor operation code choice for this action.
Completion in conjunction with performing the BMW Maintenance Service Task to Replace
Microfilter (Recommend or Due), or another repair that required the removal and installation of the
cabin air nanofilter’s plastic cover (vehicle is already in the workshop).
Labor Operation
00 78 779
Description
Install new cable retainer
Labor Allowance
1 FRU
Claim Repair Comments
Reference the SIB number, the issue (briefly), and the work package (WP) number performed in the
technician’s RO notes, and in the claim comments (For example: B64 04 25 Retrofit the new cable retainer
WP 1), unless otherwise required by State law.
FEEDBACK REGARDING
THIS ©2025
BULLETIN
Copyright
BMW of North America, Inc.
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Technical Feedback
Warranty Feedback
Parts Feedback
64 04 25_SERVICE ACTION: HARNESS DAMAGE POSSIBLE WHILE CHANGING CABIN NANOFILTER
To submit feedback for the technical topic of this bulletin: Submit your
feedback in the rating box at the top of this bulletin
To submit feedback for the CLAIMS section of this bulletin: Submit an IDS
ticket to the Warranty Department, or use the chat available in the
Warranty Documentation Portal
To submit feedback for the PARTS section of this bulletin: Submit an IDS
ticket to the Parts Department
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64 04 25_SERVICE ACTION: HARNESS DAMAGE POSSIBLE WHILE CHANGING CABIN NANOFILTER
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TSB/Document ID: B640425
Replacement Service Bulletin Number:
MFR Communication Date: 2025-07-25
MFR Internal Campaign ID/Software Version: 0061270900
Communication Type: Service Campaign
NHTSA Components: ELECTRICAL SYSTEM
MFR Component System:
MFR Component Subsystem:
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