4/28/25, 2:19 PM

41 02 25_POPPING SOUND FROM THE BOTTOM OF THE C-PILLAR

SIB 41 02 25
POPPING SOUND FROM THE BOTTOM OF THE C-PILLAR
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2025-04-25

THIS REPAIR IS MOBILE FRIENDLY
THIS REPAIR IS REMOTE SOFTWARE UPGRADE (RSU) FRIENDLY

MODEL
E-Series
U10
U11

Model Description
X2 Sports Activity Coupe
X1 Sports Activity Vehicle

SITUATION
Please see pdf bulletin in Supporting Materials.

Supporting Materials
picture_as_pdf B41 02 25_SR.pdf
Videos
41 01 25

Copyright ©2025 BMW of North America, Inc.
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4/28/25, 2:19 PM

41 02 25_POPPING SOUND FROM THE BOTTOM OF THE C-PILLAR

Copyright ©2025 BMW of North America, Inc.
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Service Information Bulletin

April 25, 2025

Body

B41 02 25

POPPING SOUND FROM THE BOTTOM OF THE C-PILLAR
☐
☐

THIS REPAIR IS MOBILE FRIENDLY
THIS REPAIR IS REMOTE SOFTWARE UPGRADE (RSU) FRIENDLY

MODEL
E-Series
U10
U11

Model Description
X2 Sports Activity Coupe
X1 Sports Activity Vehicle

SITUATION
While driving on a smooth and/or uneven road,
a “popping” sound is heard from the bottom of
the C-pillar area. This can occur on one and/or
both sides on the vehicle C-pillars.
Note: See attached video BV 41 01 25.

CAUSE
Movement within the mounting bracket
(highlighted in orange) that secures the
torsion strut to the vehicle’s body.

CORRECTION
Apply adhesive to the top of the mounting bracket that secures the torsion strut to the vehicle’s body.

PROCEDURE
1. Verify the customer’s concern.

CONFIDENTIAL

2. On the side of the vehicle from which the
sound is generating, remove the rear bolt
that secures the torsion strut to the rear
axle (red arrow points to the bolt).
Note: The sound can be recreated by
moving the torsion strut up and down by
hand.
Note: All photos show the passenger side.
Procedure is the same for the noise from
the driver’s side.

Swivel the torsion strut outward as shown.

3. Remove the rocker panel (highlighted in
orange).

CONFIDENTIAL

4. Remove the two body plugs (circled in red).

5. Remove the third clip that secures the
rocker panel to the vehicles body (red
arrow pointing to the clip).

6. Using a borescope, insert the borescope
head through slot A (blue arrow).
Note: See photos below on what to look
for when using the borescope.
Arrows B & C are shown here for their
specific locations and will be utilized in
some of the steps below.

CONFIDENTIAL

CONFIDENTIAL

7. Using a mixing nozzle (83 19 2 468 929),
insert the mixing nozzle in slot B while
looking through slot C.
Note: Review step 4 to know the slot
locations.
Note: This step is for prepping the nozzle
positioning only.

Note: The mixing nozzle tip needs to be sitting
on top of the mounting bracket (highlighted in
orange with the blue arrow).

8. Using a mixing nozzle (83 19 2 468 929),
insert the mixing nozzle in slot C while
looking through slot B.
Note: Review step 4 to know the slot
locations.
Note: This step is for prepping the nozzle
positioning only.

CONFIDENTIAL

Note: The mixing nozzle tip needs to be sitting
on top of the mounting bracket (highlighted in
orange with the blue arrow).

9. Using filling adhesive (83 19 5 A71 4B0),
place the cartridge in boiling water at 212
ºF for 10 minutes.

10. Install the mixing nozzle on the adhesive
tube and adhesive gun.
Note: Discard the first 50 mm of adhesive
bead.

CONFIDENTIAL

11. With the borescope head still inserted in
slot A, apply the adhesive from both slots
B and C at the rate of one quarter of the
cartridge.
Refer to steps 5 and 6 for the correct
seating position of the mixing nozzle when
applying the adhesive.

12. After the adhesive has been applied, a
curing time of 24 hours is required before
moving the vehicle.
Note: Make sure to clean both B and C
slots before reinstalling the body plugs that
were removed.

13. Reassemble the vehicle, and verify the effectiveness of the repair.

PARTS INFORMATION
To determine the part number(s) 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
83 19 2 468 929
83 19 5 A71 4B0

Description
Mixing nozzles (DN = Set of 10 nozzles)
Fullmaterial F1 (DN = 175 ml)

CONFIDENTIAL

Quantity
Sublet 1 nozzle per vehicle
Sublet used qty

CLAIM INFORMATION
Covered under the terms of the BMW New Vehicle Limited Warranty for Passenger Cars and Light
Trucks.
Repair Code:

4121023900

C-pillar Unpleasant noises

Diagnosis
Labor Operation
51 00 001*
Or:
00 58 500*

Description
Localizing body complaint for one or both sides, recreating
the noise issue by moving the unbolted torsion strut up and
down by hand. (Work time)

Labor Allowance

Diagnosis Worktime Flat Rate

2 FRU

WT FRU

(*) 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.
Work time labor operation codes 51 00 001 and 00 58 500 are not considered Main labor operations.
And with the diagnosis above that that applies to your center together with the work below that was
performed.
Obtain the flat rate unit (FRU) allowances for the following that applies.
Repairing One Side
Labor Operation
51 71 447

Description
Removing and installing left or right door sill trim panel
(Main work)

Labor Allowance
As applicable

Or:
51 71 947

Removing and installing left or right door sill trim panel
(Plusposition work)

As applicable

Work time to insert borescope and apply the adhesive from
both slots (One side)

6 FRU

And:
51 99 000

If you are using a Main labor operation code for another repair, then use the Plusposition labor
operation code 51 71 947 instead of 51 71 447.
Or:
Repairing Both Sides
Labor Operation
51 71 449

Description
Removing and installing/replacing both door sill trim panels
(Main work)

Labor Allowance
As applicable

Or:
51 71 949

Removing and installing/replacing both door sill trim panels
(Plusposition work)

As applicable

Work time to insert borescope and apply the adhesive from
both slots (Both sides)

12 FRU

And:
51 99 000

CONFIDENTIAL

If you are using a Main labor operation code for another repair, then use the Plusposition labor
operation code 51 71 949 instead of 51 71 449.
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)

See the sublet
reimbursement
calculations
below

Sublet reimbursement calculation for claiming the applicable repair-related bulk supply materials
(BMW part numbers) is at the dealer net (DN) price for the 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.

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

CONFIDENTIAL