2024-2025 BMW Wiring Harness Return Bulletin C32-0126-0607

BMW has issued Parts Bulletin C32-0126-0607, identified as TEC827, concerning the inspection and return of certain wiring harness part numbers. This bulletin is primarily an internal communication for BMW dealers and parts logistics to manage inventory. The goal is to ensure that potentially affected components are removed from the supply chain.

This bulletin impacts specific wiring harness part numbers that could be used in 2024-2025 BMW 530i, X3, and 740i models. The 2024 BMW 530i wiring harness return is part of a proactive measure to maintain quality standards.

Affected Wiring Harness Part Numbers

BMW has requested the return of the following specific wiring harness part numbers:

• 61 29 5 A63 B30
• 61 29 5 A63 B42
• 61 29 5 A6D B63
• 61 29 5 B32 B73
• 61 29 5 B32 BA1
• 61 29 5 B35 091
• 61 29 5 B35 0B1
• 61 29 5 B3A 3F9

Important Warnings

Dealers are explicitly instructed that "Affected available inventory must not be sold." This highlights the importance of removing these specific parts from the sales pipeline to prevent them from reaching customers.

Affected AI Index Numbers

The bulletin specifies certain AI Index Numbers to differentiate between affected and non-affected parts. This table helps identify which versions of the wiring harnesses are subject to return.

Affected Parts (NOT OK)	AI Index	Non Affected Parts (OK)	AI Index
5A63B30	05 and lower	5A63B30	06
5B32BA1	04 and lower	5B32BA1	05
5B32B73	02 and lower	5B32B73	03
5B3A3F9	02 and lower	5B3A3F9	03
5B350B1	04 and lower	5B350B1	05
5B35091	02 and lower	5B35091	03
5A63B42	06 and lower	5A63B42	07
5A6DB63	04 and lower	5A6DB63	05

Return Procedure for Dealers

Dealers are required to return all affected part(s) to their Regional Distribution Center (RDC). The return process involves submitting a YR26 damage claim with the order reason BM2. It is crucial to include a valid BMW delivery and delivery item number. The bulletin number TEC827 must also appear in the text of the TEC claim. If a delivery number cannot be located, dealers should submit an IDS ticket to Parts Logistics>Returns>Claims>Quality>Claims for assistance.

This TEC827 bulletin is valid from January 21, 2026, through February 04, 2026. The deadline for filing a claim under TEC827 is February 04, 2026, and all parts must be returned to the RDC no later than February 18, 2026. Dealers are advised to reorder the same part number as needed once the return is complete.

Owner Action

This bulletin, TEC827, is an internal communication for BMW dealers and parts logistics. It focuses on inventory management and the return of potentially affected parts before they are installed in vehicles. Therefore, BMW owners are not required to take any direct action. If you have concerns about a 2024 BMW 530i wiring harness return or other related models, you may contact your authorized BMW dealer for more information.

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Source: NHTSA ID: 11028161