928 S4 V8-4957cc 5.0L (1987)
Tires: Technical Service Bulletins
Tires/Wheels - Summer/Winter Tire and Wheel Rim Summary
Group
4
Number
8903
Model
911 Carrera 4
Part Identifier
4405
May 5 1989
Subject:
Summer/Winter Tire and Wheel
Rim Summary
This bulletin contains information on
A.
Summer tires and wheel rims
B.
Winter tires and wheel rims
C.
Wheel rim summary
This information will be consolidated into the respective summer and winter tire bulletins for all models in the future.
A.
Summer Tires and Wheel Rims
Summer wheel rim sizes, tire sizes, and tire makes presently approved by Porsche:
Rim Size
Tire Size
Front axle
6J x 16H2
2O5/55ZR16
Rear axle
8J x 16H2
225/5OZR16
Tire Makes and Types
Bridgestone
RE 71 N1
Goodyear Eagle
ZR N1
B.F. Goodrich Comp.
T/A NO
B.
Winter Tires and Wheel Rims
The wide ZR tires installed on the 911 Carrera 4 are developed for highest safety on dry or wet roads only. When driving on winter condition roads
winter tires should be used.
Winter wheel rim sizes, tire sizes and tire makes presently approved by Porsche: