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Service bulletin No. 50-21-2

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10202065
Published by NHTSA2021-10-06
Manufacturer's numberNo. 50-21-2
Manufacturer's date2021-09-15
NHTSA componentTIRES; WHEELS

NHTSA's summary

List of approved wheels and tires for the new Panamera.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Tires, Wheels

Vehicles listed
PORSCHE PANAMERA2021

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
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40/26 44072026-07-07. Service bulletin. Wheel Bolt Replacement Requirement - Change from Wheel Bolts with Aluminum Washers to Wheel Bolts with Steel Washers (40/26)
No. 24-232026-04-07. Service bulletin. Manufacturers certificate for approved wheels and tires on the Panamera
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No. D7712026-04-06. Service bulletin. Parts information for Parts Withdrawal - Hub Cap. Part numbers involved are 9Y0601149F, 9Y0601149G, 9Y0601149H, 9Y0601149J, 9Y0601149L, and 9Y0601149M. The vehicles affected are ones that use the part numbers mentioned.
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D92025-03-05. Service bulletin. Parts Information - Thatcham Wheel Lock Information
No. 204-242025-01-07. Service bulletin. Technical information for ARC4 - wheel mounting with central lock
No. 34-162024-01-03. Service bulletin. Installation and conversion instructions for the snow chain