2022-2024 BMW iX Hood Hinge Groaning Sound TSB

Owners of 2022-2024 BMW iX Sports Activity Vehicles may notice an unusual groaning sound emanating from the front of their vehicle. This noise is often more pronounced when driving and making turns, indicating a potential issue with the hood's moving components. BMW has released Technical Service Bulletin SIB 41 01 24 to provide guidance for diagnosing and correcting this specific concern, which is described as a "groaning sound between the hood and the hood hinges."

Symptoms

The primary symptom of this issue is a distinct groaning sound originating from the front of the vehicle. This noise is most noticeable while driving, especially when the vehicle is cornering or turning. The presence of this groaning sound suggests a friction-related problem within the hood mechanism.

Cause of the Groaning Sound

BMW has identified the root cause of the 2022-2024 BMW iX groaning sound as tight clearance between the hood and its hinges. Specifically, the adjusting screws on the hood hinges can develop friction due to insufficient lubrication or tight tolerances, leading to the audible groaning noise when the hood shifts slightly during vehicle movement, such as cornering. An attached video, V41 01 24, is referenced in the bulletin to further illustrate the issue.

Repair Procedure Summary

The repair for this groaning sound involves a straightforward lubrication process. This repair, detailed in BMW Technical Service Bulletin SIB 41 01 24, is classified as "MOBILE FRIENDLY," indicating it can be performed efficiently. The procedure focuses on applying a specific grease to the hood hinge adjusting screws to alleviate the tight clearance and eliminate the noise.

Detailed Repair Procedure

1. Open the Front Hood: Technicians must first open the front hood, adhering to the repair instructions and precautions outlined in BMW's internal document ISTA/AIR 41 61 516. This ensures proper access and safety during the procedure.
2. Apply Lubricant: Using a small brush, a thin layer of Syntheso Glep 1 grease is to be applied directly to the top of the adjusting screws located on the hood hinges. This lubrication helps to reduce friction and eliminate the groaning sound.

Required Parts and Materials

To perform this repair, the following material is specified:

• Part Number: 83 23 9 407 778
• Description: Grease Syntheso Glep 1 (100 gr / 3.53 ounces)

Owners should note that specific part numbers for their vehicle should be confirmed by entering the chassis number into BMW's Electronic Parts Catalog (ETK) or Aftersales Information Research (AIR) system, as equipment and options can vary.

Warranty and Claim Information

This repair is covered under the terms of the BMW New Vehicle Limited Warranty for Passenger Cars and Light Trucks. Dealers should use the following information for claiming the repair:

• Repair Code: 4161013900
• Repair Code Description: "Bonnet (Hood) hinge Unpleasant noises"

Labor Operations

Labor Operation	Description	Labor Allowance
51 00 001	Localizing body complaint(s) (Main or Plus as applicable)	WT FRU
00 58 500	Diagnosis Worktime Flat Rate (Plusposition)	2 FRU
00 58 000	Diagnosis Worktime Flat Rate (Main work)	3 FRU
41 61 516	Moving the hood to the service position (Associated work)	As applicable
51 99 000	Work time to apply a thin layer of Syntheso Glep 1 grease to the top of the adjusting screws on the hood hinges	2 FRU

Only one "Main" type of labor operation code can be claimed per workshop repair visit. For specific procedures regarding documenting diagnosis worktime, centers should refer to SI B01 01 20 or B01 07 20.

Sublet for Bulk Supply Materials

• Sublet Code: 4
• Reimbursement: Up to $10.00 for repair-related bulk supply materials.

Sublet reimbursement is calculated based on the dealer net price of the proportional quantities used, plus the center's handling fee. This material cost must be itemized on the repair order and in the claim comment section.

Important Warnings

When performing this repair, technicians are advised to "Exclude if the hood had to be opened to perform another repair." This means the labor operation for moving the hood to the service position (41 61 516) should not be claimed if the hood was already opened for a different, unrelated repair.

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Source: NHTSA ID: 10253325