NHTSA ID Number: 11024340
Manufacturer Communication Number: B540525
TSB/Document Date: 2025-10-16
Summary
A “popping” sound is heard coming from the Roof/B-pillar area when driving over small driveway curbs.
If the PDF is very large, it may not load in the preview below.
Some older TSBs had multiple PDFs — visit the NHTSA Website to view all PDFs.
If the TSB PDF does not show, download or view it on the NHTSA Website.
Click on the (+) Plus Sign
Then Click on Associated Document(s)
- 💝【Questions? We’re Here Anytime】MK808S is a...
- 🔥🔥🔥【2026 NEWLY RELEASED BI-DIRECTIONAL...
- 【28+ MOST POPULAR RESET SERVICE FOR 150 MAKES】Autel...
- 【ALL SYSTEM DIAGNOSTICS, FACTORY-LEVEL SCANNER】The...
- 【AUT0 SCAN & AUT0V1N, 10X FASTER】How much have you spent...
- 💯【Conta.ct us for Support Directly】If you met any...
- 🔥🔥🔥【2026 AUTEL FLAGSHIP MK900BT MK900-BT, NEW...
- 🚗【3000+ ACTIVE TESTS (50➡3000+), SAME AS MS...
- 🚗【40+ HOT SERVICES FOR 150 MAKES (28+➡40+)】Full...
- 🚗【OE ALL SYSTEM DIAGNOSE, AUTO SCAN 2.0: SCAN LICENSE...
This product presentation was made with AAWP plugin.
Search NHTSA Database for Recalls
Search NHTSA Database for Vehicle Investigations
View Latest Vehicle Investigations
Search NHTSA Database for Vehicle Complaints
View Latest Vehicle Complaints
TSB/Document ID: B540525
Replacement Service Bulletin Number:
MFR Communication Date: 2025-10-08
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: STRUCTURE:BODY
MFR Component System:
MFR Component Subsystem:
Previous TSB | Next TSB |
10/16/25, 1:39 PM
54 05 25_POPPING SOUND IS HEARD COMING FROM THE ROOF/B-PILLAR
SIB 54 05 25
POPPING SOUND IS HEARD COMING FROM THE ROOF/B-PILLAR
2025-10-08
☐
☐
THIS REPAIR IS MOBILE FRIENDLY
THIS REPAIR IS REMOTE SOFTWARE UPGRADE (RSU) FRIENDLY
MODEL
E-Series
G01
G02
Model Description
X3 Sports Activity Vehicle
X4 Sports Activity Coupe
SITUATION
A “popping” sound is heard coming from the Roof/B-pillar area when driving over small driveway curbs.
CORRECTION
Apply blue Loctite to the sunroof cassette
bolts.
The exact locations of the affected bolts
are indicated in the repair instructions
referenced below
PROCEDURE
1. Verify the customer’s concern.
2. Remove the headliner following repair instructions listed in ISTA/AIR 51 44 011.
3. Remove one sunroof cassette bolt at a time and apply blue 242 Loctite.
Torque the sunroof cassette bolt(s) to the proper torque spec listed in COM-AZD-5410
4. Continue to the next bolt with applying the Loctite and the torqueing.
5. Reassemble the vehicle.
6. Allow the Loctite to cure per the container’s instructions (guideline 24 hours) before verifying the repair.
PARTS INFORMATION
Copyright ©2025 BMW
of North America, Inc.
about:blank
1/4
10/16/25, 1:39 PM
54 05 25_POPPING SOUND IS HEARD COMING FROM THE ROOF/B-PILLAR
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
Source locally
Description
Blue 242 Loctite (Varying container sizes)
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 BMW
New Vehicle Limited Warranty for Passenger Cars and Light Trucks.
Repair Code:
5144123700
Frame of panorama sunroof Loose
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 center together with the performed work below.
Repair
Labor
Operation
Description
Labor Allowance
51 44 011
Removing and installing/replacing headlining (for equipment
specification with panorama roof) (Main work)
As applicable
Removing and installing/replacing headlining (for equipment
specification with panorama roof) (Plusposition work)
As applicable
Work time to remove one sunroof cassette bolt at a time
and apply blue 242 Loctite (Associated work)
5 FRU
Or:
54 44 511
And:
51 99 000
If you are using a Main labor operation code for another repair, then use the Plusposition labor operation
code 51 44 511 instead of 51 44 011.
Work time labor operation codes 51 00 00, 00 58 500, and 51 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.
Sublet – Bulk Supply Material (RO and Claim Comments Required)
Copyright ©2025 BMW
of North America, Inc.
about:blank
2/4
10/16/25, 1:39 PM
Sublet Code 4
54 05 25_POPPING SOUND IS HEARD COMING FROM THE ROOF/B-PILLAR
Reimbursement for the repair-related bulk supply material
(NPN)
See below
Sublet reimbursement calculation No Part Number (NPN)
Locally sourced bulk supplies (Items not available through BMW
NA Only) are reimbursed at the cost of the
proportional quantity used plus 20 percent (WPPM Section 8 Page 25).
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 (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
Powered by Froala Editor
Copyright ©2025 BMW
of North America, Inc.
about:blank
3/4
10/16/25, 1:39 PM
54 05 25_POPPING SOUND IS HEARD COMING FROM THE ROOF/B-PILLAR
Copyright ©2025 BMW
of North America, Inc.
about:blank
4/4
- [2026 Top-Tier Hardware and Software Upgrade]: Topdon ArtiDiag900 Lite scanner has enhanced hardware and latest features, including Android 11.0, 5x faster CPU, 10000mAh battery for 12 hours of continuous operation, stable wireless diagnosis with Bluetooth 5.0, 8-inch touchscreen. Added bi-directional control, wireless diagnosis, battery testing (optional), and DTC repair guide
- [TOPDON Bidirectional Scan Tool]: This bidirectional obd2 scanner sends commands to the vehicle's ECU for active testing, enabling users to accurately and quickly locate faulty components such as injectors, coolant pumps, windows, wipers, headlights, mirrors, etc. The bidirectional control scanner is the ideal choice for workshops/automotive repair shops as it significantly reduces mechanic's diagnostic time.
- [Wireless Bluetooth Diagnostic Experience]: The AD900 Lite scan tool comes with a Bluetooth 5.0 VCI, supporting a wireless diagnostic range of up to 33 feet (10 meters), allowing you to diagnose without being confined to cables or tight spaces. Stable and fast wireless diagnosis provides a comfortable repair environment. It also offers VCI cables to increase connectivity options.
- [DTC Repair Guide Function]: Easily diagnose issues with your vehicle and receive guidance on repairs with the topdon scan tool's fault code definitions for all systems,maximize your diagnostic capabilities. This function is compatible with Chrysler
/Dodge
/Jeep
/Fiat
2010-2014 and expanding with continual updates,the AritDiag 900 Lite car diagnostic scanner is the must-have tool for any technician or DIY enthusiast. - [OE-Level Full System Diagnostics]:AritDiag900 Lite full system diagnostic scanner can scan ALL available modules(Engine, Transmission, Airbag, ABS, ESP, TPMS, Gateway, Steering, Radio, Air conditioning, ect.) to✔read ECU info, ✔read/clear codes, ✔view live data stream, ✔retrieves freeze-frame, ✔perform active tests, and more. With just a simple click, it provides you with accurate and in-depth diagnostics.
- Dual WiFi & 10.1" Touchscreen: Provides a stable, high-speed wireless link 3x faster than bluetooth, and a responsive, professional interface. Topdon ONE obd2 scanner diagnostic tool ensures smooth, non-lagging diagnostic scan, boosting mechanic efficiency
- J2534 Pass-Thru Support: The included ONE VCI supports the J2534 standard, allowing it to function as a pass-thru device when paired with OEM diagnostic software.Through TOPDON’s RLink platform, technicians can perform dealer-level coding, expanding in-house capabilities without investing in multiple factory automotive scan tools
- OE Topology Mapping: Visualize the vehicle’s ECU network exactly as it’s built.Zoom, pan, and highlight specific modules to pinpoint component issues with precision.Topology mapping displays real-time communication between modules
- Topfix AI Assistant: Covers 5 million plus fault codes and delivers instant causes, symptoms, and repair guidance with professional wiring diagrams for each code.Slashes diagnostic time, boosts first-time fix accuracy, and increases shop revenue
- 50 Plus Service Functions: Covers high-demand services like ADAS calibration, DPF regen, TPMS reset, ABS bleed, and throttle adaptation.Expands your service menu, allows you to charge premium rates, and turns away zero jobs due to lack of tooling. Vehicle-specific functionality may vary.
- Bi-Directional Control, Quickly Locate Problems: Turn your phone into a professional diagnostic tool. You can send commands from your phone to the ECU to test injectors, cooling fans, headlights, A/C clutch, windows, wipers, and more. See which one doesn't respond. Helps you quickly locate the problem and save time. No need to tear things apart, avoid blind disassembly.
- Full System Diagnostics, No Fault Hides: Unlike basic diagnostic tools that only cover 4 systems, TopScan can scan all systems. Read and clear trouble codes, view live data streams, and generate a complete vehicle health report – all issues are clear at a glance. Covers 10,000+ vehicle models and is compatible with 99.99% of vehicles.
- Flexible Subscription, Choose Advanced Features as Needed: TopScan Lite provides free-for-life access to core diagnostics, including full system scan, code reading, performance tests, and repair information. After purchase, advanced features (bi-directional control, service operations, live data, code clearing, and AI functions) are free-for-the-first-year. After the first year, if you want to use advanced features, you need to subscribe on a monthly, quarterly, or yearly basis. As new models and reset functions are updated, the tool will also be continuously upgraded.
- AI Assistant - TopFix: Think of TopFix as your personal AI mechanic. It leverages a repair database and OEM data to deliver clear, step-by-step repair solutions. Features include AI Q&A, one-click translation, and a full repair log, making your diagnostic process simpler and more efficient.
- 8+ Hot Resets, Keep Your Car in Top Shape: One-tap resets for oil, throttle, EPB, steering angle, DPF, ABS, BMS, and airbag. It enables car owners to easily perform essential maintenance, ensuring the vehicle stays in optimal condition and extends its service life.
This product presentation was made with AAWP plugin.
Last update on 2026-05-12 / Affiliate links / Images from Amazon Product Advertising API




