NHTSA ID Number: 11006724
Manufacturer Communication Number: B280124
TSB/Document Date: 2024-09-01
Summary
Micro-movements combined with frictional corrosion can increase wear on the longitudinal splinedconnection between the double clutch transmission (DCT) and the transfer box.
8/19/24, 5:57 AM
28 01 24_SERVICE ACTION: DOUBLE CLUTCH TRANSMISSION REWORK AT TRANSFER CASE (DISASSEMBLE)
SIB 28 01 24
SERVICE ACTION: DOUBLE CLUTCH TRANSMISSION REWORK AT
TRANSFER CASE (DISASSEMBLE)
2024-08-16
This Service Information Bulletin (Revision 3) replaces SI B28 01 24 dated July 2024.
What’s New (Specific text highlighted):
Parts list updated
Please perform the procedure outlined in this Service Information on all affected vehicles before customer
delivery. In the event the customer has already taken delivery of the vehicle, please perform the procedure
the next time the vehicle is in the shop if the campaigns have a status of remedy available. Otherwise,
please release the vehicle.
☐
THIS REPAIR IS MOBILE FRIENDLY
MODEL
U11 (X1 Sports Activity Vehicle)
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 dealer inventory as soon as possible. You can see a list of affected vehicles in
Inventory Campaign Details (ICD) under ROSS.
SITUATION
Micro-movements combined with frictional corrosion can increase wear on the longitudinal splined
connection between the double clutch transmission (DCT) and the transfer box.
CORRECTION
Rework the surface mating area on the double clutch transmission (DCT) at the transfer case.
PROCEDURE
Remove the transfer box in accordance with repair instructions 27 10 010 Removing and installing the
transfer box.
Contrary to the repair instructions, no oil change is required for the double clutch transmission.
Clean the inner splines of the DCT (1) with
brake cleaner and a brass wire brush (nothing
harder than brass)
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8/19/24, 5:57 AM
28 01 24_SERVICE ACTION: DOUBLE CLUTCH TRANSMISSION REWORK AT TRANSFER CASE (DISASSEMBLE)
Clean the outer splines of the transfer case
with brake cleaner and a brass wire brush (1)
(nothing harder than brass)
Replace the radial shaft oil seal for the DCT (as listed in the repair instructions).
Apply grease (MI-Setral-43N) evenly to the
inside of the input flange so that the spaces
between the teeth are filled (1).
Clean off excess grease from the end face of
the gear (1). Ensure the grease makes no
contact with the shaft seal (2).
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of North America, Inc.
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2/6
8/19/24, 5:57 AM
28 01 24_SERVICE ACTION: DOUBLE CLUTCH TRANSMISSION REWORK AT TRANSFER CASE (DISASSEMBLE)
Apply a continuous bead of Loctite 5970 to the input
shaft of the transfer case (1). The transfer case
must be installed immediately after applying the
Loctite.
Install special washers (1) between the
stabilizer link and the transfer case before
bolting the transfer case to the DCT.
PARTS INFORMATION
Use and invoice the part numbers below.
Part Number
27 10 8 627 024
27 10 9 807 707
37 14 6 869 771
31 20 6 866 022
26 11 8 681 576
18 30 5 A04 BD6
07 11 9 904 024
07 11 9 909 839
28 00 5 B31 BA6
07 14 9 894 132
22 11 8 876 816
07 11 9 909 527
07 11 9 906 927
31 10 6 876 027
33 30 6 760 587
Description
Screw plug
Retaining ring
Thread-tapping hexagon bolt
Shouldered bolt with compression spring
Output repair kit
V clip
Hexagon nut (rounds to 10)
Hexagon bolt
Inner shaft sealing ring, driven shaft
Multi-purpose bolt ASA (M12x90x1.5)
Adapter washer kit
Hexagon bolt
Hexagon bolt
ASA-Bolt (M10x55)
Hex nut with flange (M10-10 ZNS3)
Quantity
1
1
1
1
1
1
2
2
1
2
2
1
1
1
1
Bulk Supply Materials - Sublet
Part Number
83 19 0 404 517
83 23 2 152 082
Description
BMW
Group Loctite 5970 Liquid Sealant- (50 mL)
Grease MI-Setral-43N (50 g)
Quantity
Sublet
Sublet
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28 01 24_SERVICE ACTION: DOUBLE CLUTCH TRANSMISSION REWORK AT TRANSFER CASE (DISASSEMBLE)
CLAIM INFORMATION
Reimbursement for this Recall will be via normal claim entry utilizing the applicable work package
information below.
Repair
Code:
0028230100
U11 Reworking DKG connection - transfer box
Below are the special flat rate labor operation code choices for this action.
Completion before the first vehicle delivery to a customer or the vehicle is already in the workshop.
Work Pkg
Labor
Operation
Description (Plusposition work)
Labor
Allowance
#1
00 75 870
Reworking the interface between the double
clutch transmission and the transfer box
As applicable
Or:
The vehicle arrives at your center and this Service Action shows open (No other Main work will be
performed or claimed during this workshop visit).
Work Pkg
Labor
Operation
Description (Main work)
Labor
Allowance
#2
00 75 283
Reworking the interface between the double
clutch transmission and the transfer box
As applicable
Only one of the flat rate labor operation codes listed above can be used for claim submission and reimbursement. Also, only
one Main work flat rate labor operation code can be claimed per workshop visit.
Claim Repair Comments
Only reference the SIB number and the work package (Pkg) number performed in the RO technician notes and the claim
comments (For example: B28 01 24 WP 1), unless otherwise required by State law.
And:
Sublet – Bulk Supply Materials (RO and Claim Comments Required)
Sublet Code 4
Reimbursement for the repair-related bulk supply materials
(Do not use the BMW
part numbers for claim submission)
Up to $150.00
Sublet reimbursement calculation for claiming the applicable repair-related bulk supply materials (BMW
part
numbers) is at the dealer net price amount for the full and/or proportional quantities used plus your center’s
handling.
Enter this material cost in sublet and itemize the amount on the repair order and in claim comment section.
BMW
Group’s AIR Application Resource for Flat Rate Labor Operation Codes
To obtain the corresponding flat rate unit (FRU) allowance information from the BMW
Group AIR application
resource, start by entering the Chassis Number (the last seven (7) characters of the VIN, select the
applicable Model if two or more vehicle choices show), or enter the full VIN (17 characters), click on the
“Search” button. Next, click on the “Flat Rate Units” button and enter the flat rate labor operation code in the
field to the right, click “Search” to display the Flat Rate Unit Group detail choices.
Alternative Mobility Solution (AMS) for Vehicle Owners (RO and Claim Comments Required)
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8/19/24, 5:57 AM
28 01 24_SERVICE ACTION: DOUBLE CLUTCH TRANSMISSION REWORK AT TRANSFER CASE (DISASSEMBLE)
This Service Action repair qualifies for Alternative Mobility Solution (AMS) expense reimbursement, claim
this item under the Repair Code noted above as follows:
Sublet Code 2 - Itemize the AMS sublet amount on the repair order and in the claim comment section.
Please refer to SI B01 29 16 for additional information.
FEEDBACK REGARDING THIS BULLETIN
Technical Feedback
Warranty Feedback
Parts 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
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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28 01 24_SERVICE ACTION: DOUBLE CLUTCH TRANSMISSION REWORK AT TRANSFER CASE (DISASSEMBLE)
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TSB/Document ID: B280124
Replacement Service Bulletin Number:
MFR Communication Date: 2024-08-16
MFR Internal Campaign ID/Software Version: 0028230100
Communication Type: Service Campaign
NHTSA Components: POWER TRAIN
MFR Component System:
MFR Component Subsystem:
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