2022 BMW X3, M3, M4, X4 Main Bearing Shell Issue
BMW has issued a manufacturer communication (TSB 10204535) regarding a main bearing shell concern affecting 2022 BMW X3, M3, M4, and X4 vehicles. This issue relates to the power train and may require dealer attention.
S'applique également à
- BMW M3
- 2022
- BMW M4
- 2022
- BMW X4
- 2022
Why This Matters: Main Bearing Shell Concerns
Main bearing shells are critical components within a vehicle's engine, supporting the crankshaft and enabling its smooth rotation. They are essential for the engine's proper function and longevity. A problem with the BMW X3 main bearing shell or those in related models can lead to significant engine damage if not addressed promptly.
Issues with main bearing shells can manifest as unusual engine noises, reduced engine performance, or even complete engine failure. Given their vital role in the power train, any concern highlighted by the manufacturer should be taken seriously to prevent more severe mechanical problems.
What the Communication Covers
BMW has issued a manufacturer communication, identified by NHTSA ID 10204535, addressing a concern labeled as "MAIN BEARING SHELL." This communication pertains to the POWER TRAIN component group in several 2022 BMW models. While specific details regarding the nature of the concern (e.g., manufacturing defect, wear issue, or diagnostic procedure) are not provided in the summary, its issuance indicates that BMW is alerting its dealerships to a potential issue with this critical engine part.
This TSB serves as an internal alert, guiding technicians on how to identify, diagnose, or potentially repair issues related to the BMW X3 main bearing shell and those in other affected vehicles. Owners should be aware that such communications are often precursors to service campaigns or provide essential information for technicians performing routine maintenance or diagnostics.
What Owners Should Do
If you own a 2022 BMW X3, M3, M4, or X4, and are experiencing any unusual engine noises, vibrations, or a decrease in engine performance, it is advisable to contact your authorized BMW dealership. Mentioning the BMW X3 main bearing shell concern and NHTSA ID 10204535 may help your service advisor or technician quickly identify relevant information.
Even if you are not experiencing symptoms, staying informed about manufacturer communications like this TSB is good practice. Your dealership can check for any open service campaigns or specific advisories related to your vehicle's VIN.
Source: NHTSA ID: 10204535
Frequently Asked Questions
- What is a main bearing shell in a car engine?
- Main bearing shells are thin, curved components located between the crankshaft and the engine block. They provide a smooth, low-friction surface for the crankshaft to rotate on, which is crucial for the engine's operation and power delivery.
- What are the potential consequences of a main bearing shell issue?
- A problem with a main bearing shell can lead to excessive friction, overheating, and eventual damage to the crankshaft and engine block. This can result in severe engine knocking, loss of oil pressure, reduced engine performance, and potentially catastrophic engine failure requiring extensive and costly repairs.
- How do I know if my 2022 BMW X3, M3, M4, or X4 is affected by this main bearing shell concern?
- The manufacturer communication (NHTSA ID 10204535) indicates a general concern with the main bearing shell for these models. The best way to determine if your specific vehicle is affected, or if any action is recommended, is to contact your local BMW dealership with your vehicle's VIN. They can check for any applicable service bulletins or campaigns related to the main bearing shell.
What BMW X3 owners report
Counted from the records in our database across 23 model years.
- 2,295
- Owner complaints
- 64
- Recalls
- 1,126
- Service bulletins
- 114
- Crashes reported
- 133
- Fires reported
- 118
- Injuries reported
The 2022 model year
86 complaints, the 13th most of 23 model years on file. Owners reported 2 crashes, 4 fires and 6 injuries for this year, which also has 7 recalls on file.
Power Train, the system this article covers, accounts for 247 of 2,295 complaints (11%), including 9 for 2022.
Complaints by model year
| 2004 | 138 | |
|---|---|---|
| 2006 | 143 | |
| 2007 | 258 | |
| 2008 | 122 | |
| 2011 | 126 | |
| 2013 | 226 | |
| 2019 | 171 | |
| 2020 | 110 | |
| 2021 | 113 | |
| 2022 | 86 |
Most-reported systems
- Engine — 494
- Electrical System — 450
- Air Bags — 404
- Power Train — 247
- Seats — 218
Latest recalls for the 2022 model year
- 26V056000 — Electrical System (Jan 2026)
- 25V636000 — Electrical System (Sep 2025) — Park outside
- 25V106000 — Latches/Locks/Linkages (Feb 2025)
Recent owner reports about power train
The contact owns a 2022 BMW X3. The contact stated that while pulling into a parking spot, the vehicle experienced hard braking and then stalled. The vehicle was taken to the local dealer and the battery was replaced.
Read owner complaints →Purchased BMW X3 Feb 2025. On test drive left wheel shimmy on left turn noted. Salesman stated it "was a safety feature he could not turn off". Vehicle continues to have shimmy/vibration on left front wheel with left turns.
Complaints are owner reports filed with NHTSA. They are unverified, and counts depend on how many vehicles were sold, so they are not a failure rate.
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