2021 BMW X3/X4 Whistling Noise TSB
BMW has issued Manufacturer Communication 10190864 to address a whistling noise originating from the fresh air inlet area in the engine compartment of 2021 BMW X3 and X4 vehicles, especially noticeable at speeds above 40 mph.
Marcus Weber2021 BMW X3
Also applies to
- BMW X4
- 2021
Symptoms
Owners of certain 2021 BMW X3 and X4 vehicles may experience a distinct whistling noise. This sound typically originates from the fresh air inlet area, located in the engine compartment bulkhead area on the right front side of the vehicle. The 2021 BMW X3 whistling noise is most noticeable when driving at speeds exceeding 40 mph.
Diagnosis / Trigger Conditions
The primary condition for this issue is vehicle speed. The whistling sound consistently appears when the vehicle reaches speeds above 40 mph, indicating an aerodynamic or air pressure-related cause within the fresh air intake system. Technicians should focus their diagnosis on the fresh air inlet and surrounding engine compartment areas.
Repair Procedure Summary
BMW Manufacturer Communication 10190864 has been issued to provide guidance for technicians addressing this whistling noise. While specific repair steps are not detailed in the summary, the communication aims to help resolve the 2021 BMW X3 whistling noise by identifying and correcting the source of the sound within the fresh air inlet system.
Owner Action
If you own a 2021 BMW X3 or X4 and are experiencing a whistling noise from the engine compartment at speeds above 40 mph, it is recommended to schedule an appointment with an authorized BMW dealership. Inform them about the specific symptoms and mention BMW Manufacturer Communication 10190864, as it provides relevant information for diagnosing and resolving this particular issue.
Source: NHTSA Manufacturer Communication 10190864
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