Porsche Boxster 1997–2004 — technical service bulletin
Bulletin No. 63-20 · NHTSA communication 10199870 · issued Jul 30, 2021
Technical service bulletin
communication type
Tires
component
1997–2004
model years
12
vehicle entries
Official summary
List of approved wheels, tires, and spacers for the 986 generation Boxster.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.