2023-2024 BMW X5/X7/X6 Cracking Steering Noise TSB

Symptoms

Owners of affected 2023-2024 BMW models may experience distinct noises from the front axle or steering system. The primary symptoms include "cracking, creaking, or knocking noises" heard when turning the steering wheel while the vehicle is stationary or when driving on uneven road surfaces. If you notice a "BMW X5 cracking steering noise" or similar sounds, your vehicle may be affected.

Cause

The root cause of the noises is identified as excessive breakaway torque in the thrust bearing of the tie rod. This condition leads to the unpleasant sounds during steering input or when the suspension is articulating over uneven terrain.

Important Warnings

BMW has issued specific instructions regarding this issue:

• "Do not replace any parts until further notice for the following vehicles: G20, G22, G23, G26, G29, G42, G80, G82, G83 and G87."
• "Use of the current tie rod part numbers will not provide a remedy to the issue and is not permitted."
• "It is not necessary to replace the EPS for any of the listed affected models."

Defect Code

This issue is associated with the defect code 3221043900, described as "Track rod, side (incl. ball joint) Unpleasant noises."

Repair Procedure Summary

To resolve the cracking, creaking, or knocking noises, technicians will follow a specific procedure outlined in Service Information Bulletin SIB 32 01 23:

1. Verify EPS Type: The first step is to confirm that the vehicle is equipped with a ThyssenKrupp Presta Steering (TKPS) EPS system using ISTA control unit functions.
2. Tie Rod Replacement: If a TKPS EPS is confirmed, one or both tie rod assemblies will be replaced as per BMW repair instructions (REP 32 21 231). For G20 vehicles produced up to April 2019, both tie rods (left and right) must always be replaced.
3. Wheel Alignment: After tie rod replacement, a wheel alignment check must be performed with ride height measurement, without loading the vehicle, according to REP 32 00 155.

This repair directly addresses the "BMW X5 cracking steering noise" by replacing the faulty tie rod components.

Parts Information

Specific part numbers for the left and right tie rods must be obtained through ETK or AIR by entering the vehicle's chassis number. This ensures the correct parts are ordered based on the vehicle's equipment and options. Additional small parts, such as one-time use screws, nuts, and seals, must also be replaced according to ISTA repair instructions and the Electronic Parts Catalog.

Claim Information

This repair is covered under the terms of the BMW New Vehicle Limited Warranty for Passenger Cars and Light Trucks. Dealers should refer to the following labor operations for claiming purposes:

• Diagnosis: 32 99 000 (Verifying the noise) or 00 58 500 (Diagnosis Worktime Flat Rate)
• Verifying TKPS EPS: 00 00 006 (Carrying out vehicle test - Main work) or 00 00 556 (Carrying out vehicle test - Plus work)
• Replacing One Side: 32 21 231 (Replacing left or right tie rod - Main work) or 32 21 734 (Plusposition)
• Replacing Both Sides: 32 21 251 (Replacing tie rods left and right - Main work) or 32 21 737 (Plusposition)
• Wheel Alignment/Toe-In: 32 00 595 (Kinematics Diagnosis System wheel alignment), 32 00 601 (Adjusting toe-in on front axle), 32 13 905 (Commissioning of electromechanical steering gear), and optionally 32 00 650 (Additional work for integral active steering).

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Source: NHTSA ID: 11009555