2024 BMW X3 and 530i Exterior Mirror Squeaking TSB

Owners of certain 2024 BMW X3 and 530i vehicles may notice a distinct squeaking sound when their exterior mirrors are folded in or out. This condition is addressed by BMW Service Information Bulletin SI B51 02 24, which provides a repair procedure for technicians.

This bulletin, identified as SI B51 02 24 (Revision 2, dated February 20, 2025), replaces a previous version from January 2025. It specifically targets the "SQUEAKING SOUND FROM THE EXTERIOR MIRROR ASSEMBLY WHEN FOLDING IN OR OUT" and the OEM fault label "Exterior mirror flap motor Unpleasant noises."

Symptoms

The primary symptom is a noticeable squeaking sound emanating from either of the exterior mirror assemblies when they are being folded inwards or outwards. This 2024 BMW exterior mirror squeaking can occur during normal operation or when manually adjusting the mirrors.

Diagnosis / Trigger Conditions

To diagnose the 2024 BMW exterior mirror squeaking, technicians are instructed to verify the customer's complaint by listening for the squeaking sound during mirror operation. The bulletin also references an attached video, V51 02 24, which likely aids technicians in identifying the specific sound.

Repair Procedure Summary

The repair procedure outlined in SI B51 02 24 primarily involves cleaning and lubricating the sliding surfaces of the exterior mirror assembly. The steps are as follows:

1. The technician first verifies the customer's complaint regarding the squeaking sound.
2. The exterior mirror assembly is manually folded inwards.
3. The sliding surface on the exterior mirror assembly is cleaned, and PF1 lubricant is applied.
4. The mirror assembly is then manually folded outwards.
5. The sliding surface is cleaned again, and PF1 lubricant is reapplied.
6. If the squeaking sound persists after these steps, the affected exterior mirror assembly will need to be replaced.

Required Tools or Parts

For this repair, specific parts and materials are required:

• Lubricant PF1 (50 gr/1.75 oz): Part Number 83 23 0 309 627.
• Exterior mirror assembly (Driver): Refer to ETK/AIR for specific part numbers.
• Exterior mirror assembly (Passenger): Refer to ETK/AIR for specific part numbers.

Technicians must obtain and confirm the correct part numbers for the mirror assemblies using the vehicle's chassis number in the ETK or AIR systems, which account for specific equipment and options.

Important Warnings

When claiming reimbursement for bulk supply materials related to this repair, such as the PF1 lubricant, technicians are advised not to use the BMW part numbers for claim submission. Instead, they should follow the sublet reimbursement calculation for the applicable repair-related bulk material, claiming the dealer net price amount for the proportional quantity used plus their center's handling.

Owner Action

If your 2024 BMW X3 or 530i is experiencing a 2024 BMW exterior mirror squeaking sound when the mirrors fold, you should schedule an appointment with an authorized BMW service center. This repair is covered under the terms of the BMW New Vehicle Limited Warranty for Passenger Cars and Light Trucks.

NHTSA ID: 11014508