NHTSA ID Number: 11025830
Manufacturer Communication Number: B121425
TSB/Document Date: 2025-12-01
Summary
In certain driving situations there can be a loss of traction or wheel slip followed by a throttle or torque requirement that can potentially damage the axle shafts. Damage of the drive shaft can cause it to break.
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TSB/Document ID: B121425
Replacement Service Bulletin Number:
MFR Communication Date: 2025-12-01
MFR Internal Campaign ID/Software Version: 0012540600
Communication Type: Service Campaign
NHTSA Components: STEERING
MFR Component System:
MFR Component Subsystem:
Previous TSB | Next TSB |
11/29/25, 6:43 AM
12 14 25_SERVICE ACTION: PROGRAMMING THE CONTROL UNITS (ELECTRIC DRIVE UNIT)
SIB 12 14 25
SERVICE ACTION: PROGRAMMING THE CONTROL UNITS (ELECTRIC DRIVE UNIT)
2025-11-24
This Service Information bulletin (Revision 02) supersedes SI B12 14 25 dated November 2025
What’s New:
Claim Information section updated
MODEL
E-Series
G26 BEV
Model Description
I4 eDrive35, i4 eDrive40, i4 xDrive40,
i4 M50, i4 M60
Production Date
March 17,2021 – November 6, 2025
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.
SITUATION
BMW
AG is conducting a Service Action on certain Model Year 2025 - 2026 BMW
vehicles that were
produced between March 17, 2021 – November 6, 2025.
In certain driving situations there can be a loss of traction or wheel slip followed by a throttle or torque
requirement that can potentially damage the axle shafts. Damage of the drive shaft can cause it to break.
CAUSE
Unfavorable software in the Electric Drive Unit (eDrive motor).
CORRECTION
Program the Electric Drive Unit (eDrive motor).
PROCEDURE
Determine what the vehicle’s current I-level is by either using AIR or the Key Reader/Aftersales Workplace
(AWP) application.
Update the vehicle software via Remote Software Upgrade or ISTA programming.
· Required I-level: S18A-25-11-530 or later
Remote Software Update (RSU) is the preferred method of vehicle software update for this Service Action.
To carry out the procedure via Remote Software Update, follow the instructions in SI B09 01 25
(Attachment).
If RSU software upgrade method is not available for this vehicle, then the vehicle software needs to be
updated via ISTA.
Program control units with ISTA
· I-level S18A-25-11-530 or higher (available from ISTA 4.56.3x planned from 11/11/25)
CLAIM INFORMATION
During this workshop visit, the affected vehicle may also show one or more programming and encoding
Technical Campaign repairs open, the programming and encoding procedure may only be invoiced one
time.
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of North America, Inc.
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11/29/25, 6:43 AM
12 14 25_SERVICE ACTION: PROGRAMMING THE CONTROL UNITS (ELECTRIC DRIVE UNIT)
Select this open Technical Campaign to perform and submit for updating the vehicle to the required
I-level or higher instead when applicable (This includes 00 00 006 or 00 00 556, 61 21 528, and 61 00
730).
Please be sure to also perform any additional before and/or after work (including attaching labels) as
required by the open campaigns on the vehicle. Close any remaining programming and encoding
Campaign repairs as outlined in the corresponding Service Information Bulletin.
Reimbursement for this Action will be via normal claim entry, as determined by the above, by selecting and
submitting for the work package information below that applies.
Plusposition (+)
Main work
Completion before the first vehicle delivery to a customer (New in-stock/No inservice date), or the vehicle is already in the workshop for another reason
and/or repair, identified by the “(Plusposition)” reference in the descriptions
below.
The vehicle arrives for this Recall, no other Main work will be
performed/claimed during this workshop visit, identified by the “(Main work)”
reference in the descriptions below.
Below are the special flat rate labor operation code choices for this action.
Repair Code:
0012540600
G26 BEV Programming control units (eDrive motor)
Remote Software Upgrade (RSU) Status - Ready to be Installed.
Work Package
Labor Operation Description
Labor Allowance
#1
00 78 835
Remote Software Upgrade performed
(Plusposition)
2 FRU
00 78 272
Remote Software Upgrade performed
(Main work)
3 FRU
Or:
#2
Or:
Vehicle Programming and Encoding (FRU Allowances Updated with REV02)
Work Package
#3
Labor Operation Description
Labor Allowance
00 78 834
Programming and encoding the vehicle
control units, includes Carrying out
vehicle test (00 00 556/61 21 528)
(Plusposition)
00 78 271
Programming and encoding the vehicle
control units, includes Carrying out
9 FRU
vehicle test (00 00 006/61 21 528) (Main
work)
7 FRU
Or:
#4
Please only use the new FRU allowances listed above for labor operation codes 00 78 834 / 721, AIR will be
updated shortly.
Or the:
Vehicle is already at the Specified
Target
Integration
Level
or America,
Higher Inc.
Copyright
©2025
BMW
of
North
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11/29/25, 6:43 AM
Work Package
#5
12 14 25_SERVICE ACTION: PROGRAMMING THE CONTROL UNITS (ELECTRIC DRIVE UNIT)
Labor Operation Description
Labor Allowance
00 78 836
Either in conjunction with another
campaign/repair prior to or during
this workshop visit (The RSU is
excluded), the vehicle is already at the
specified Target integration level or
higher, no repair is necessary
(Plusposition)
1 FRU
00 78 273
Either in conjunction with another
campaign/repair prior to or during
this workshop visit (The RSU is
excluded), the vehicle is already at the
specified Target integration level or
higher, no repair is necessary (Main
work)
1 FRU
Or:
#6
Only one of the flat rate labor operation codes listed above can be used for claim submission/reimbursement
purposes. Also, only one Main work flat rate labor operation code can be claimed per workshop visit.
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: B12 14 25 eDrive motor software update
WP 3), unless otherwise required by State law.
Programming and Encoding – Additional Work (RO and Claim Comments Required)
This procedure automatically reprograms and encodes any vehicle control modules that do not have the
latest software I-level.
If one or more control modules fail during the reprogramming procedure, claim the required consequential
repair work procedures to address this issue (including performing the IRAP Control Unit Recovery first as
required, refer to the SIB in AIR) under the Repair Code in this bulletin together with the corresponding labor
operation codes and their flat rate unit (FRU) allowance(s), including the diagnosis* that applies.
Please explain the additional work procedures that were performed (The why and the what) on the repair
order and in the claim comments.
For covered repairs that address preexisting control module failures that occurred prior to performing this
repair-related programming and encoding procedure, claim this work with the Repair Code listed in AIR
together with the corresponding labor operation codes and their flat rate unit (FRU) allowance(s), including
the diagnosis* that applies.
(*) Based on which one applies to your center, please refer to SI B01 01 20 or B01 07 20 for the applicable
procedure for documenting, claiming, and explaining, on the RO and in the claim comments, your diagnosis
work time (WT), job/repair work time (WT), and the vehicle repairs your center performed, unless otherwise
required by State law.
FEEDBACK REGARDING THIS BULLETIN
Technical Feedback
Warranty Feedback
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
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of North America, Inc.
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11/29/25, 6:43 AM
Parts Feedback
12 14 25_SERVICE ACTION: PROGRAMMING THE CONTROL UNITS (ELECTRIC DRIVE UNIT)
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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12 14 25_SERVICE ACTION: PROGRAMMING THE CONTROL UNITS (ELECTRIC DRIVE UNIT)
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