High Voltage Battery Damage from Water Intrusion – 2021-2023 MINI Hardtop 2 Door (Cooper SE)

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April 29, 2024 NHTSA CAMPAIGN NUMBER: 24V302000

High Voltage Battery Damage from Water Intrusion

A high voltage battery with water damage can cause a fire or a vehicle stall, increasing the risk of injury or a crash.

 

NHTSA Campaign Number: 24V302

Manufacturer BMW of North America, LLC

Components ELECTRICAL SYSTEM

Potential Number of Units Affected 128

 

Summary

BMW of North America, LLC (BMW) is recalling certain 2021-2023 MINI Hardtop 2 Door (Cooper SE) vehicles. The high voltage battery housing may not have been sealed properly, allowing water to enter the battery.

 

Remedy

Dealers will inspect and leak test the high voltage battery, and repair the battery as necessary, free of charge. Owner notification letters are expected to be mailed June 21, 2024. Owners may contact BMW customer service at 1-866-825-1525.

 

Notes

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.

 

Check if your MINI has a Recall

 


Chronology :

In October 2023, BMW became aware of a field incident in the U.S. involving a MINI Hardtop 2 Door (Cooper SE) in which the vehicle experienced a thermal event. An engineering analysis of this vehicle was initiated.

In January 2024 BMW AG was informed of an additional field incident in Germany. Engineering analysis of the vehicle identified isolation faults within the high voltage battery. Additional analysis was started to further understand the root cause of the isolation fault.

In March 2024, root cause analysis continued, which indicated that it was likely that the thermal events were triggered by multiple isolation faults in the high voltage battery system.

In April 2024, supplier production and process records were examined, as well as further review of the field situation regarding isolation faults in the high voltage battery. An insufficient sealing process of the high voltage battery during production, for specific and limited time periods, was identified.

Vehicle assembly information and supplier production and process records were reviewed to determine the potentially affected vehicles.

On April 22, 2024, BMW decided to conduct a voluntary safety recall for certain vehicles produced with an insufficient sealing of the high voltage battery. Additional field monitoring of isolation faults is planned.

 


3 Affected Products

Vehicle

MAKE MODEL YEAR
MINI COOPER SE 2021-2023

 


2 Associated Documents

Recall Acknowledgement

RCAK-24V302-5849.pdf 645.986KB

 


Defect Notice 573 Report

RCLRPT-24V302-1629.PDF 214.628KB

 


Latest Recalls Documents

https://www-odi.nhtsa.dot.gov/acms/cs/documentList.xhtml?docId=24V302&docType=RCL

 


 

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Last update on 2024-07-22 / Affiliate links / Images from Amazon Product Advertising API

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