No. 52-22 Service Bulletin/Repair Instructions

981
Manufacturer's Certificate
52/22
ENU
4400
4
Approved: Wheels, Tires and Spacers (52/22)
Revision:
This bulletin replaces bulletin Group 4 42/21, dated June 21, 2021.
Model Year:
As of 2013 up to 2016
Vehicle Type:
Boxster (981) / Boxster S (981) / Boxster GTS (981) / Boxster Spyder (981) / Cayman (981) /

Cayman S (981) / Cayman GTS (981)
Information:
Approval status: September 2022
WARNING

Driving with different tires (mixed tires)

•
Uncontrollable vehicle handling

Only use tires of the same make and type, with the same speed index and the same specification code

(N0, N1, N2, ...) on a vehicle.
Summer Tires:
Model
Tire sizes
Tire make and type /

Label value (link to EU database)

Goodyear Eagle F1 Asymmetric 2 N0

(inside/outside)

FA/RA: Data currently not available

Pirelli P Zero N0

(inside/outside)
Boxster,

Boxster S

Cayman,

Cayman S
235/40 ZR 19 (92Y)

and

265/40 ZR 19 (98Y)
FA/RA: Data currently not available

Pirelli P Zero N1

(inside/outside)

FA: https://eprel.ec.europa.eu/qr/595050

RA: https://eprel.ec.europa.eu/qr/595049

Yokohama Advan Sport V105 N0

(inside/outside)

FA: https://eprel.ec.europa.eu/qr/578237

RA: https://eprel.ec.europa.eu/qr/578239
235/35 ZR 20 (88Y)
Goodyear Eagle F1 Asymmetric 2 N0
AfterSales
Oct 7, 2022

Page 1 of 12
4
981

4400
ENU
Manufacturer's Certificate
52/22
Model
Tire sizes
Tire make and type /

Label value (link to EU database)

(inside/outside)

FA: https://eprel.ec.europa.eu/qr/531119

RA: https://eprel.ec.europa.eu/qr/531115
and

265/35 ZR 20 (95Y)
Pirelli P Zero N0

(inside/outside)

FA/RA: Data currently not available

Pirelli P Zero N1

(inside/outside)

FA: https://eprel.ec.europa.eu/qr/595048

RA: https://eprel.ec.europa.eu/qr/595047

Goodyear Eagle F1 Asymmetric 2 N0

(inside/outside)

FA: https://eprel.ec.europa.eu/qr/531119

RA: https://eprel.ec.europa.eu/qr/531115
Boxster GTS,

Cayman GTS
235/35 ZR 20 (88Y)

and

265/35 ZR 20 (95Y)
Pirelli P Zero N0

(inside/outside)

FA/RA: Data currently not available

Pirelli P Zero N1

(inside/outside)

FA: https://eprel.ec.europa.eu/qr/595048

RA: https://eprel.ec.europa.eu/qr/595047

Pirelli P Zero N0

(inside/outside)
Boxster Spyder
235/35 ZR 20 (88Y)

and

265/35 ZR 20 (95Y)
FA/RA: Data currently not available

Pirelli P Zero N1

(inside/outside)

FA: https://eprel.ec.europa.eu/qr/595048

RA: https://eprel.ec.europa.eu/qr/595047
Oct 7, 2022

Page 2 of 12
AfterSales
981
Manufacturer's Certificate

Winter Tires:
Model
52/22
Tire sizes
ENU
4400
4
Tire make and type /

Label value (link to EU database)

Dunlop SP Winter Sport 3D N0

(inside/outside)
Boxster,

Boxster S,

Boxster GTS,

Boxster Spyder,

Cayman,

Cayman S,

Cayman GTS
235/45 R 18 94V

M+S and

265/45 R 18 101V

M+S
FA: https://eprel.ec.europa.eu/qr/528922

RA: https://eprel.ec.europa.eu/qr/528923

Pirelli Winter 240 Sottozero Series II N0

(inside/outside)

FA: https://eprel.ec.europa.eu/qr/594296

RA: https://eprel.ec.europa.eu/qr/594298

Continental WinterContact TS 830 P N0

(inside/outside)
235/40 R 19 92V

M+S and

265/40 R 19 98V

M+S
FA: https://eprel.ec.europa.eu/qr/506096

RA: https://eprel.ec.europa.eu/qr/506089

Michelin Pilot Alpin PA4 N0

(rotation)

FA: https://eprel.ec.europa.eu/qr/409286

RA: https://eprel.ec.europa.eu/qr/409268
Information
Information

N... = Specification code of the tire, e.g. "N0", "N1", "N2" ... The complete "N ..." code of the tires in

question must be shown on the tire sidewall near the tire type designation.

Instructions for correct mounting of the tires are also given on the tire sidewall. If there are no mounting

instructions on the tire sidewall, the tire must be mounted so that the DOT marking is visible from the

outside.

Arrow with inscription “Rotation”
= directional mounting
“Inside/outside” inscription or “Left” or “Right”
= mounting on specified side only
Arrow with both inscriptions “Rotation” and

“Inside/Outside”
= directional mounting on specified side only.
Arrow with inscriptions “Rotation” and “Left” or

“Right”
= directional mounting on specified side only.
AfterSales
Oct 7, 2022

Page 3 of 12
4
981

4400
ENU
Manufacturer's Certificate
52/22
Information

If a tire is damaged and it is not possible to determine with absolute certainty that there is no ply damage

- with all of its consequences - or if the tire was thermally and/or mechanically overloaded due to a loss of

pressure or other prior damage, replace the tire in question for safety reasons.

Repairs to "V", "W", "Y" and "ZR" tires are not permissable, as well as the use of inner tubes in tubeless

tires. Please inform your customers accordingly. It is advisable to mount winter tires at temperatures

below 45° F/7°C , because the driving characteristics of summer tires are reduced at low temperatures.

Extremely low temperatures can cause permanent damage to summer tires.

WARNING

Incorrect tire pressure

•
Uncontrollable vehicle handling

Adjust the tire pressure according to specifications. Never allow the pressure to fall below the minimum

pressure.

Check age of tires. Replace tires that are more than 6 years old.

Perform visual inspections.

Use only tires recommended by Porsche.
Tire Pressure:

Information

The tire pressure applies only to the tire makes and types approved by Porsche, and is specified for cold

tires (approx. 68° F/20°C ). The tire pressures must never be lower than the specified values.

Standard tire pressure for summer tires
Wheel size
Oct 7, 2022

Page 4 of 12
Boxster / Cayman
Boxster S / GTS /

Cayman S / GTS
Boxster Spyder
FA
RA
FA
RA
FA
RA
18-inch

wheels
2.0 bar

200 kPa

29 psi
2.0 bar

200 kPa

29 psi
–
–
–
–
19-inch

wheels
2.0 bar

200 kPa

29 psi
2.1 bar

210 kPa

30 psi
2.0 bar

200 kPa

29 psi
2.1 bar

210 kPa

30 psi
–
–
20-inch

wheels
2.3 bar

230 kPa

33 psi
2.3 bar

230 kPa

33 psi
2.3 bar

230 kPa

33 psi
2.3 bar

230 kPa

33 psi
2.3 bar

230 kPa

33 psi
2.3 bar

230 kPa

33 psi
AfterSales
4
981
Manufacturer's Certificate
52/22
ENU
4400
Standard tire pressure for winter tires
Wheel size
Boxster / Cayman
Boxster S / GTS / Boxster Spyder

/ Cayman S / GTS
FA
RA
FA
RA
18-inch wheels
2.2 bar

220 kPa

31 psi
2.2 bar

220 kPa

31 psi
2.2 bar

220 kPa

31 psi
2.2 bar

220 kPa

31 psi
19-inch wheels
2.2 bar

220 kPa

31 psi
2.2 bar

220 kPa

31 psi
2.2 bar

220 kPa

31 psi
2.2 bar

220 kPa

31 psi
Comfort tire pressure for summer tires up to 270 km/h (165 mph) – only for vehicles

with 20-inch wheels, Tire Pressure Monitoring (TPM) and “Comfort pressure” menu in the

multi-function display (depending on the country)
Wheel size
20-inch wheels
Sizes:
Boxster / Cayman
Boxster S / GTS / Boxster Spyder

/ Cayman S / GTS
FA
RA
FA
RA

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Last update on 2026-05-12 / Affiliate links / Images from Amazon Product Advertising API

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