NHTSA ID Number: 11034461
Manufacturer Communication Number: B520725
TSB/Document Date: 2026-07-03
Summary
The decorative trims on the head restraints ofthe driver’s seat
and front passenger seatcause groaning noises on any route, at anytemperature, even in a slightly reclinedposition.
6/5/26, 9:36 AM
52 07 25_M5 HEAD RESTRAINT GROANING NOISE
SIB 52 07 25
M5 HEAD RESTRAINT GROANING NOISE
2026-06-03
This Service Information Bulletin (Revision 3) replaces SI B52 07 25 dated January 2026.
What’s New:
Claim Information updated
☒
☐
THIS REPAIR IS MOBILE FRIENDLY
THIS REPAIR IS REMOTE
SOFTWARE UPGRADE (RSU) FRIENDLY
MODEL
E-Series
Model Description
G60
5 Series Sedan
G90
G99
M5 Sedan
M5 Touring
Production Date
Vehicles with option S4MAA (M Multifunction
seat
) produced up to February 1, 2026
Produced up to February 1, 2026
SITUATION
The decorative trims on the head restraints of
the driver’s seat
and front passenger seat![]()
cause groaning noises on any route, at any
temperature, even in a slightly reclined
position.
See attached video BV52 01 25 M5 Head
Restraint Groaning noise to hear the noise.
CAUSE
The edge of the aperture trim rubs against the seat
leather upholstery at the point of contact.
CORRECTION
Replace the aperture trim on both seats
in case of a noise concern with revised part number
52 10 7885235.
PROCEDURE
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6/5/26, 9:36 AM
52 07 25_M5 HEAD RESTRAINT GROANING NOISE
If the decorative trim causes groaning noises,
replace the decorative seat
aperture trim (1)
with an improved part.
To remove the front decorative seat
aperture trim,
you must first remove the trim (2) from the rear of
the seat
. There are 6 retainer clips
(1).
Follow Repair Instruction REP-TAT-P-5217-01
Disconnect the electrical connector
for the trim M
light (1).
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6/5/26, 9:36 AM
52 07 25_M5 HEAD RESTRAINT GROANING NOISE
The revised front aperture trim can be identified
by a green dot sticker.
The improved part with the green dot sticker has
strips of felt attached.
Do not install the part if the felt is missing.
PARTS INFORMATION
Part Number
52 10 7885235
Description
Trim aperture head restraint
Quantity
2 (for both
front seats
)
CLAIM INFORMATION
Covered under the terms of the BMW
New Vehicle Limited Warranty for Passenger Cars and Light Trucks.
Repair Code:
5210153900
Front seat
backrest panel with net pocket / backrest bag
(incl. decorative trim) Unpleasant noises
Diagnosis
Labor
Operation
52 00 001*
Or:
00 58 500*
Description
Labor Allowance
Seat
- locating complaint(s)
WT FRU
Diagnosis Worktime Flat Rate
2 FRU
And, with the diagnosis above that applies to your center together with the work performed below.
Replacing Both Sides
Labor
Operation
Description
Labor Allowance
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6/5/26, 9:36 AM
52 07 25_M5 HEAD RESTRAINT GROANING NOISE
52 17 214
Replace left or right seat
trim in backrest (Seat
trim,
aperture) (Main work)
As applicable
Replace left or right seat
trim in backrest (Seat
trim,
aperture) (Plusposition)
As applicable
Work time for replacing the seat
trim in backrest (Seat
trim,
aperture) on the other side (Associated work)
2 FRU
Or:
52 17 714
And:
52 99 000
If you are using a Main labor operation code for another repair, then use the Plusposition labor operation
code 52 17 714 instead of 52 17 214.
Work time labor operation codes 52 00 001, 00 58 500, and 52 99 000 are not considered Main labor
operations.
(*) 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.
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 (last seven (7) characters of the VIN), and click on the
“Search” icon. If the “Vehicle Selection” window displays two or more model possible vehicle choices, select
the applicable Model, or enter the full VIN (17 characters) instead to proceed. Click on the “Flat Rate Units”
button and enter a flat rate labor operation code number “without spaces” in the field to the right, click on the
“Search” icon to display the corresponding listing of “Flat rate unit group details” that are available and their
corresponding FRU allowances.
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
Supporting Materials
Videos
52 01 25
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OF NORTH AMERICA, LLC. ALL RIGHTS RESERVED
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TSB/Document ID: B520725
Replacement Service Bulletin Number:
MFR Communication Date: 2026-06-04
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: SEATS![]()
MFR Component System:
MFR Component Subsystem:
Previous TSB | Next TSB |
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