NHTSA ID Number: 11028929
Manufacturer Communication Number: M310126
TSB/Document Date: 2026-02-23
Summary
When driving over an uneven road surface, a “thumping” noise can be heard from the front axle. Seeattached video V 31 02 26. Under certain weather conditions, a “groaning” noise may be heard during steering movements. CAUSE
2/9/26, 10:35 AM
31 01 26_THUMPING AND/OR GROANING NOISE FROM FRONT AXLE
SIM 31 01 26
THUMPING AND/OR GROANING NOISE FROM FRONT AXLE
2026-02-04
MODEL
E-Series
F55
Model Description
MINI
Hardtop 4 Door
Production Date
Start of Production
SITUATION
When driving over an uneven road surface, a “thumping” noise can be heard from the front axle. See
attached video V 31 02 26.
Under certain weather conditions, a “groaning” noise may be heard during steering movements.
CAUSE
The auxiliary damper (aka additional shock
absorber) detaches from the support bearing
(aka guide support).
CORRECTION
Replace the left and right support bearing and auxiliary damper.
PROCEDURE
Remove and dismantle the left and right front spring strut shock absorbers as per REP 31 31 031.
Apply window adhesive P/N 83 19 2 289 181
to the new support bearings as shown.
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Important: Install the new auxiliary
dampers into the support bearing, and
press together in a vice for at least 10
hours.
Be sure to center the damper and bearing
before securing in the vice for setup.
Avoid getting the windshield adhesive in the
center of damper and support bearing
through-holes for spring strut.
Reassemble the spring struts and install back to vehicle.
PARTS INFORMATION
When applicable, to determine the part number that applies to the specific vehicle being repaired, enter the
VIN/chassis number into either ETK or AIR, this will consider the specific equipment and/or options that are
fitted to the vehicle.
Part Number
Refer to ETK/AIR
Refer to ETK/AIR
Refer to ETK/AIR
Refer to ETK/AIR
Description
Guide support
Hex bolt with washer (When “Only in conjunction with:”)
Self-locking collar nut (When “Only in conjunction with:”)
Additional shock absorber, front
Quantity
2
As required
As required
2
Sublet - Bulk Supply Materials
Part Number
83 19 2 289 181
Description
Window-glass adhesive (DN = 300 mL of adhesive)
Quantity
Sublet as
needed
Additionally, other materials and small parts that are not specified above, such as fluids, lubricants (in
sublet), one-time use screws, nuts, and seals, which must be replaced or installed (according to the ISTA
repair instructions/ETK/AIR), are to be selected from the Electronic Parts Catalog, and/or other approved
BMW Group’s resources according to the respective vehicle type. Invoiced these items separately under the
Repair Code listed in this bulletin.
CLAIM INFORMATION
Covered under the terms of the MINI New Vehicle Limited Warranty for Passenger Cars and Light Trucks.
© 2026 MINI USA, a division of BMW of North America, LLC. All Rights Reserved
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Repair Code:
3133900100
F55 Groaning / rumbling noise from the front section area
(auxiliary damper)
Diagnosis
Labor Operation
51 00 001*
Description
Localizing body complaint(s) (Work time)
Labor Allowance
WT FRU
Diagnosis Worktime Flat Rate
2 FRU
Or:
00 58 500*
And, with the diagnosis above that applies to your dealer together with the work below that was performed.
Repair
Labor Operation
31 31 051
Description
Replacing both spring struts at front (Main work)
Labor Allowance
As applicable
Replacing both spring struts at front (Plusposition work)
As applicable
Replacing both spring struts at front (Associated work,
both spring struts completely removed)
As applicable
Additional work/bonding auxiliary damper to strut mount
As applicable
Or:
31 31 517
Or:
31 31 511
And:
00 78 971
If you are using a Main labor operation code for another repair, then use the Plusposition labor operation
code 31 31 517 (or 31 31 511 when applicable) instead of 31 31 051.
Work time labor operation codes 51 00 001 and 00 58 500 are not considered Main labor operations.
Sublet – Bulk Supply Materials (RO and Claim Comments Required)
Sublet Code 4
Reimbursement for the supported repair-related bulk supply
materials (Do not use the MINI part numbers for claim
submission)
Up to $30.00
Sublet reimbursement calculation for claiming the applicable repair-related bulk supply material (MINI part
number) is at the dealer net (DN) price for the proportional quantity used plus your dealer’s handling.
Enter this material cost in sublet and itemize the amount on the repair order and in claim comment section.
(*) Based on which one applies to your dealer, please refer to SI M01 01 20 or M01 04 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 dealer performed, unless otherwise required by State law.
FEEDBACK REGARDING THIS BULLETIN
Technical 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
Warranty Feedback
ticket to the Warranty Department, or use the chat available in the
Warranty Documentation Portal
Parts Feedback
To submit feedback for the PARTS section of this bulletin: Submit an IDS
Parts of
Department
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division
BMW of North America, LLC. All Rights Reserved
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Supporting Materials
Videos
31 02 26
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TSB/Document ID: M310126
Replacement Service Bulletin Number:
MFR Communication Date: 2026-02-04
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: SUSPENSION
MFR Component System:
MFR Component Subsystem:
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