BUGCR025 – Cracks in Rear Tires – 2021-2022 Bugatti Chiron Pur Sport

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December 16, 2021 NHTSA CAMPAIGN NUMBER: 21V984000

Cracks in Rear Tires

Cracks in the rear tires may result in rapid loss of tire pressure, which can lead to a loss of vehicle control, increasing the risk of a crash.

 

NHTSA Campaign Number: 21V984

Manufacturer Bugatti

Components TIRES

Potential Number of Units Affected 9

 

Summary

Bugatti is recalling certain 2021-2022 Chiron Pur Sport vehicles. After 2,500 miles of usage, the rear tires may develop cracks.

 

Remedy

As an interim repair, dealers will replace the rear tires on the affected vehicles every 1,875 miles or when tire age reaches 1.5 years. Once newly designed tires are available, the tires will be replaced again. Repairs will be performed free of charge. Owners with tires that have already reached 2,500 miles or 1.5 years should not drive their vehicle until the tires are replaced. Owner notification letters were mailed on December 30, 2021. Owners may contact Bugatti customer service at 1-703-826-7545. Bugatti’s number for this recall is BUGCR025.

 

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 Bugatti has a Recall

 


Applicability

Bugatti Chiron Pur Sport

 

VIN range

  • List at the end of the document
  • Contact your Bugatti regional service manager

 

Market Region

All ☒

 

Recall object

The rear tires must be replaced if DOT values on tires are earlier than 15/22.

 

Description

Replace the rear tires of all affected vehicles on all wheel sets delivered with the car (Al Set & Mg set).

Make sure all the wheels delivered with the car are present (Magnesium wheels and Aluminum wheels if 2 sets of wheels were delivered to the customer).

 

Warning:

Comply with the vehicle preparation measures for maintenance and repair procedures. Refer to the official Workshop Manual, “General instructions about the vehicle”.

If in any doubt regarding this procedure, please contact your Bugatti regional after sales manager with questions regarding the procedure.

 

Required Special Tools/Parts

Standard tire and balance machine is needed.

Refer to “tire replacement” chapter in Bugatti workshop manual.

Tire pressure monitoring sensors and valve stems must be replaced according to the workshop manual instructions.

See list of parts necessary:

Designation Quantity Reference
Tire 2 or 4 (if Al + Mg wheels) 5B4.601.329.E
Rim valve 2 or 4 (if Al + Mg wheels) 5B4.601.361.A (913 silver/ 916 Black)
Tire sensor for US region 2 or 4 (if Al + Mg wheels) 5B4.907.275.C
Tire sensor for Row region : 2 or 4 (if Al + Mg wheels) 5B4.907.275.B

 

Procedure

Operation

– Comply with the instructions in the chapter “General instructions” → page 27.

– Following the workshop manual instruction for every operation

– Cleanliness must be ensured all along the procedure.

Please follow the concerned vehicle list to perform the operation on car delivered with two sets of wheels

Information needed before/after operation from all sets of wheels (Al & Mg sets)

  • Total mileage of the car in the cluster
  • DOT values of the rear left and right tire
  • Serial numbers of the rear left and right tire
  • Please document the procedure with necessary pictures.

Manufacture Week 35
Manufacture Year 19

Open a technical ticket to provide all needed information mentioned above.

 

Replace the tires according to the workshop manual if DOT values are earlier than 15/22.

 

Old tires must be sent back to the factory.

 


The following section seeks to highlight the important aspects of the recall for you.

 

What is the issue?

All the concerned BUGATTI Chiron Pur Sport rear tires will have a new condition, that limits the usage period to 4.000 km or 2.500 mls/ 2 years from the tires production date (relevant DOT imprint); whichever comes first.

 

What will you do?

You will have to arrange pick up of the car from the customer and transport it to your Dealership.

All tires needs to be replaced on the vehicle regardless if the tires are defective or not. This work will take approximately two (2) days to complete and will be performed free of charge for the customer.

The current rear driving tires must be replaced when they reach 3000km or 1.875 mls or 1.5 years (relevant DOT imprint) of usage. Should they reach the above mentioned criteria (mileage or usage period) again, you must replace the current rear driving tires free of charge again, and continuously so, until new and improved tires become available, which will match the tire change criteria as described on the vehicle’s owner manual.

Please note: The customer has a set of Pur Sport Aluminium rims delivered with their vehicle, after which, a set of validated, Pur Sport Magnesium rims were delivered. The tires must be replaced on the current driving rims that belong with the vehicle and in addition, whichever set of rims that are not being used for driving must be stored until further notice! *Please see separate, attached figure.

 

What do we recommend to the customers?

Should the vehicle have already reached the above mentioned limitation: To avoid any potential issue – BUGATTI recommends that the car shouldn’t be driven until the rear tires have been replaced. The customers are requested to contact their authorized BUGATTI Partner without delay to schedule a repair appointment and refer to BUGATTI’s recall number BUGCR02525.

 

How to charge Bugatti SAS for the repair costs?

You should treat this recall work as any other Warranty related claim the Warranty Claim Ticketing System in Salesforce and following Bulletin guidelines – ensuring compliance to the new Warranty process effective from 24th December 2021.

 

How to charge Bugatti SAS for the transportation costs?

Please note that all transport related costs to the nearest BUGATTI partner will be covered by BUGATTI for this recall. You should treat the related transportation costs as you would for any other Warranty related claim – using Salesforce Warranty Claim Ticket, again ensuring compliance to the new Warranty process effective from 24th December 2021.

 

When do customers receive their letters?

It is planned to send physical letters to all Customers in the coming days – the customer details may be validated with you as their recognised BUGATTI Partner – in this instance we would ask for your full support so as to ensure BUGATTI Molsheim are able to reach all impacted customers as soon as possible.

We would ask wherever possible and where it is evident that you have a potential impacted Customer vehicle in your Car Parc that you support with proactive management of the Customer in this instance.

 

Do we need any special tools for this replacement of parts?

As per the workshop manual information you already have all required tools for such a replacement.

 

What happens after the repair?

You should arrange return to the Customer at a convenient point in time.

 


Chronology :

September 28 2021:
On one prototype Pur Sport model, some cracks have been observed on the rear tires which are specific to vehicle model.
Immediate report/inquiry to the supplier, about the irregularity on the Pur Sport tires and what production run of tires are affected.

September 29 2021:
Supplier stated that only Prototype Manufacturing Slots DOT 19/20 and 26/20 should be affected The Manufacturing Slots DOT 41/20 used for Supplier and Bugatti Approval is not affected. No further Action to be taken according to Supplier

Further supplier analysis results November 26 2021:
Supplier provided recommendations for further investigation after it was noted that additional DOT weeks could be impacted.

Supplier notified that tire mileage should be reduced based on the analysis of the initial two tires

Final analysis review with Supplier December 07 2021:
Supplier recommended a limit on tire mileage and max usage age of the tires to prevent crack propagation as seen with the initial two tires.

Final determination made by Bugatti on 12/09/2021 to issue safety recall.

 


2 Affected Products

Vehicle

MAKE MODEL YEAR
BUGATTI CHIRON PUR SPORT 2021-2022

 


17 Associated Documents

Manufacturer Notices(to Dealers,etc) – Recall Letter re Defect Recall Reduction of mileage/ usage period for Chiron Pur Sport rear tires

RCMN-21V984-8134.pdf 396.33KB

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Recall 573 Report

RCLRPT-21V984-4811.PDF 214.708KB

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Recall 573 Report

RCLRPT-21V984-1457.PDF 214.564KB

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Recall 573 Report

RCLRPT-21V984-8900.PDF 214.544KB

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ISSUED Owner Notification Letter(Part 577)

RCONL-21V984-5657.pdf 143.918KB

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Recall Acknowledgement

RCAK-21V984-4066.pdf 645.964KB

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Defect Notice 573 Report

RCLRPT-21V984-9577.PDF 213.92KB

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Recall 573 Report

RCLRPT-21V984-4052.PDF 214.564KB

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Recall 573 Report

RCLRPT-21V984-1243.PDF 214.494KB

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Recall Quarterly Report #1, 2021-4

RCLQRT-21V984-2231.PDF 211.122KB

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ISSUED Owner Notification Letter(Part 577)

RCONL-21V984-0553.pdf 165.082KB

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Manufacturer Notices(to Dealers,etc) – Rear Tire Replacement

RCMN-21V984-0232.pdf 1499.241KB

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Recall Quarterly Report #2, 2022-1

RCLQRT-21V984-8851.PDF 211.214KB

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Recall Quarterly Report #3, 2022-2

RCLQRT-21V984-0799.PDF 211.29KB

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Recall 573 Report – 2/15/22

RCLRPT-21V984-5295.PDF 215.053KB

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Recall 573 Report – 2/15/22

RCLRPT-21V984-5878.PDF 215.053KB

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Recall 573 Report – 6/24/22

RCLRPT-21V984-9007.PDF 214.407KB

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Latest Recalls Documents

https://www-odi.nhtsa.dot.gov/acms/cs/documentList.xhtml?docId=21V984&docType=RCL

 


 

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