2023-2025 BMW X5, X6 Rear Output Shaft Service Action

Symptoms of a Faulty Rear Output Shaft

BMW has released Service Information Bulletin SIB 33 03 25 to address a potential issue with the rear right driven half-shaft (also known as the output shaft or driven shaft) in certain 2023-2025 BMW X5 (G05 Sports Activity Vehicle) and X6 (G06 Sports Activity Coupe) models. This component may not have been manufactured correctly during production, leading to a risk of breakage.

Owners might experience several noticeable symptoms if their vehicle is affected by this issue. These include significant noises originating from the rear axle area. Additionally, the vehicle's driving performance could be noticeably reduced, indicating a problem with the power delivery to the wheels. If you experience these symptoms in your BMW X5 rear output shaft, it's crucial to have it inspected.

What's Being Addressed

The core of the problem lies with the rear right driven half-shaft. This critical drivetrain component, which transmits power from the differential to the wheel, may have been improperly manufactured. A defect in this part can compromise its structural integrity, making it prone to failure.

Should the half-shaft break, it would directly impact the vehicle's ability to drive properly and could lead to safety concerns due to unexpected changes in driving dynamics. This service action, SIB 33 03 25, aims to prevent such failures by ensuring the replacement of potentially defective parts.

Important Notes for Owners

BMW has designated this repair as "MOBILE FRIENDLY" and "REMOTE SOFTWARE UPGRADE (RSU) FRIENDLY," which are internal classifications for dealer operations. This service action applies to vehicles that show an “Open” status when checked in BMW's internal systems such as AIR, AWP, Campaign Summary, or Warranty Vehicle Inquiry.

It is important for owners to understand that BMW is not directly notifying consumers for this service action. Dealers are instructed to perform the procedure on affected vehicles before customer delivery. If a customer has already taken delivery, the repair should be performed the next time the vehicle is in the shop, provided a remedy is available. Owners are encouraged to check with their dealer or use BMW's online tools to see if their 2023-2025 BMW X5 or X6 is affected.

Repair Procedure Summary

The recommended correction involves replacing the rear right half-shaft. BMW technicians will follow a detailed repair instruction, specifically REP 33 21 000, which outlines the steps for "Removing and installing/replacing the left or right driven shaft." This procedure ensures that the faulty component is correctly removed and a new, properly manufactured part is installed.

The repair process is comprehensive and includes replacing not only the output shaft itself but also associated hardware and seals to ensure proper function and longevity. This addresses the manufacturing defect in the BMW X5 rear output shaft and prevents future issues.

Required Parts

To complete the repair, the following parts are specified in the bulletin:

• 3320 8487508: Output shaft at the rear right (Quantity: 1)
• 3120 6799717: Shouldered bolt with compression spring (Quantity: 1)
• 3310 8860348: Sealing kit for rear axle differential (Quantity: 1)
• 0711 9906460: Hexagon screw with washer (Quantity: 2)
• 3110 6890194: Hexagon collar nut (forced rounds to 10) (Quantity: 1)
• 3317 6760336: Hexagon screw with washer (Quantity: 1)
• 3350 6771928: Hexagon screw with washer (Quantity: 1)
• 3311 7525064: Screw plug with O-ring (forced rounds to 10) (Quantity: 1)
• 3312 7607158: Recessed nut repair kit, blue (Quantity: 1)
• 0711 9906089: Collar nut (Quantity: 2)
• 0714 5A67B87: Hexagon nut (Quantity: 1)
• 1830 5A78B15: Clamp (Quantity: 1)
• 0711 9906938: Hexagon bolt with flange (Quantity: 6)

Additional materials like fluids, lubricants, one-time use screws, nuts, and seals, not explicitly listed, will be selected from the Electronic Parts Catalog (ETK/AIR) or other approved BMW Group resources as needed for the specific vehicle type.

Claim and Warranty Information

Reimbursement for this service action is handled through normal claim entry using specific work package information. The Repair Code for this action is 0033350200.

Two primary labor operation codes are provided, depending on the vehicle's status:

• Work Package #1 (Labor Operation 00 78 778): "Replacing the rear right drive shaft" with a labor allowance of 36 FRU. This applies to vehicles completed before first customer delivery (new in-stock) or those already in the workshop for another reason.
• Work Package #2 (Labor Operation 00 78 231): "Replacing the rear right drive shaft" with a labor allowance of 38 FRU. This applies when the vehicle arrives at the service center specifically for this open service action, and no other main work is performed.

This Service Action repair is covered under the terms of the BMW New Vehicle Limited Warranty for Passenger Cars and Light Trucks. It also qualifies for Alternative Mobility Solution (AMS) expense reimbursement, which should be claimed under the specified Defect Code. Technicians are advised to reference the SIB number, issue, and work package number in their repair order notes and claim comments.

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Source: NHTSA ID: 11023120