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2024 BMW iX Combined Charging Unit Return (TEC657)

BMW has issued Parts Bulletin TEC657 (C32-0624-0644) for the 2024 BMW iX, requesting the return of specific Combined Charging Unit part numbers from dealer inventory. This ensures that only approved parts are used for service and new vehicle builds.

ByAhmet Topcu — Founder & Editor-in-ChiefAutomated summary2024 BMW iX
2024 BMW iX — manufacturer_communication document image 1
Source: NHTSA manufacturer_communication 11003039
C32-0624-0644TEC657Combined Charging Unit Return61 44 5 A5A DE361 44 5 A73 E28BMW iX charging unitBMW parts returnYR26 damage claimBM2 order reasonBMW dealer bulletin

Important Warnings for Dealers and Owners

BMW has issued a critical directive with Parts Bulletin TEC657, stating, "Affected inventory must not be sold." This means that any Combined Charging Unit with the specified part numbers currently in a dealer's stock must not be installed in vehicles or sold to customers. This measure is crucial for maintaining the high quality and safety standards expected from BMW vehicles.

Furthermore, the bulletin clarifies that "Parts invoiced on and after June 5th 2024 are ok for use." This indicates a specific production batch or period is affected, and newer inventory has been cleared for use. For owners, this means that any service involving the combined charging unit should utilize parts from the approved, later production runs.

What is the BMW TEC657 Bulletin?

BMW Parts Bulletin C32-0624-0644, identified as TEC657, addresses a proactive measure concerning the Combined Charging Unit for the 2024 BMW iX. This bulletin mandates the return of specific part numbers from dealer inventory to BMW's Regional Distribution Centers (RDCs). The primary goal is to ensure that only compliant and high-quality components are used in vehicles, preventing potential issues down the line.

The specific part numbers requested for return are 61 44 5 A5A DE3 and 61 44 5 A73 E28. This action is part of BMW's ongoing commitment to product quality and customer satisfaction. The 2024 BMW iX combined charging unit return process is a critical step in managing the supply chain effectively.

Why is the Combined Charging Unit Being Returned?

While the bulletin does not explicitly state the reason for the return, such actions are typically initiated due to identified quality concerns, manufacturing deviations, or potential performance issues with a specific batch of parts. By requesting the return of these Combined Charging Units, BMW is taking a preventative approach to ensure that only fully validated components are integrated into their vehicles. This helps to safeguard the long-term reliability and safety of the 2024 BMW iX and other affected models.

How Dealers Return Affected Combined Charging Units

Dealers are instructed to return all affected part(s) to their Regional Distribution Center (RDC). The process involves submitting a YR26 damage claim, using the order reason BM2. It is essential for dealers to include a valid BMW delivery and delivery item number. Critically, the bulletin number TEC657 must be clearly stated in the text of the TEC claim to ensure proper processing.

If a dealer cannot locate the delivery number for the affected parts, they are advised to submit an IDS ticket. This ticket should be directed to the Parts Logistics department, specifically under the path Returns>Claims>Quality>Claims, for assistance. This detailed procedure ensures that all returns are properly documented and processed, contributing to the overall effectiveness of the 2024 BMW iX combined charging unit return program.

Key Deadlines for TEC657 Returns

This Parts Bulletin TEC657 is valid for a specific period, from June 05, 2024, through June 19, 2024. Dealers must adhere to these dates for processing returns. The deadline for filing a claim under TEC657 is June 19, 2024. All affected parts must be physically returned to the facing RDC no later than July 03, 2024. Dealers are also advised to reorder the same part number as needed to ensure continuity of service and parts supply.

What This Means for 2024 BMW iX Owners

For owners of the 2024 BMW iX, this bulletin primarily impacts the parts supply chain and dealer inventory. While it is not a recall directly affecting vehicles already delivered to customers, it is a crucial quality control measure. It ensures that any Combined Charging Unit installed as a replacement part or in new vehicles built after the specified dates will be free from the potential issues that prompted the 2024 BMW iX combined charging unit return. If your vehicle requires a charging unit replacement, you can be assured that dealers are instructed to use only approved, compliant parts.

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Frequently Asked Questions

What is the purpose of BMW Parts Bulletin TEC657?
BMW Parts Bulletin TEC657 (C32-0624-0644) is a directive for dealers to return specific Combined Charging Unit part numbers (61 44 5 A5A DE3 and 61 44 5 A73 E28) from their inventory. This action is taken to ensure that only high-quality, compliant parts are used in vehicles.
Which specific parts are affected by the TEC657 bulletin?
The bulletin specifically targets Combined Charging Unit part numbers 61 44 5 A5A DE3 and 61 44 5 A73 E28. Parts invoiced on and after June 5th, 2024, are not affected and are cleared for use.
Does this bulletin affect my 2024 BMW iX if I already own it?
This bulletin primarily concerns dealer inventory and the parts supply chain, not necessarily vehicles already delivered to customers. It ensures that any replacement Combined Charging Unit installed in your 2024 BMW iX, or new vehicles being built, will be from an approved production batch.
What are the deadlines for dealers to return the affected parts under TEC657?
The TEC657 bulletin is valid from June 05, 2024, through June 19, 2024. Dealers must file claims by June 19, 2024, and all affected parts must be returned to the Regional Distribution Center no later than July 03, 2024.

What BMW iX owners report

Counted from the records in our database across 5 model years.

120
Owner complaints
12
Recalls
204
Service bulletins
34
Crashes reported
2
Fires reported
19
Injuries reported

The 2024 model year

34 complaints, the 2nd most of 5 model years on file. Owners reported 13 crashes, 2 fires and 10 injuries for this year, which also has 4 recalls on file.

Electrical System, the system this article covers, accounts for 34 of 120 complaints (28%), including 14 for 2024.

Complaints by model year

Model years with the most complaints for the BMW iX
202232
202338
202434
202513
20263

Most-reported systems

  1. Electrical System — 34
  2. Forward Collision Avoidance — 29
  3. Vehicle Speed Control — 17
  4. Power Train — 14
  5. Air Bags — 13

Latest recalls for the 2024 model year

  • 25V395000 — Electrical System (Jul 2025)
  • 25V470000 — Electrical System (Jul 2025)
  • 23V409000 — Vehicle Speed Control (Jun 2023)
All 2024 recalls →

Recent owner reports about electrical system

I was driving on Single Pedal Drive on a freeway with the 2024 BMW IX, there was a slow down ahead of me. I removed my foot from the pedal and waited for car to slow down, but car didn't slow down enough.

2024 BMW iX owner, Apr 2025

While driving my vehicle, the vehicle completely shut down and stopped. The seatbelt pulled me back tightly. A notification displayed on my dash Continue driving possible: High-Voltage system. Cont, driving possible: Drivetrain. You can continue driving.

2024 BMW iX owner, Oct 2024
Read owner complaints →

Complaints are owner reports filed with NHTSA. They are unverified, and counts depend on how many vehicles were sold, so they are not a failure rate.

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