122-S2L6W-09

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Technical Information
16/19
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Approved Wheels and Tires (16/19)
Revision:
This bulletin replaces bulletin, Group 4, #6/19, dated March 21, 2019.
Model Year:
As of 2017
Vehicle Type:
718 Boxster, 718 Cayman (982)
Concern:
Start of new model year 25/19
Sizes:
Permissible tire and wheel sizes
(RO = rim offset in mm, FA = front axle, RA = rear axle)
Tires
Tire sizes
Wheel sizes
Snow
chains
718 Boxster, 718 Boxster S, 718 Cayman, 718 Cayman S
Summer
FA: 235/45 ZR18 94Y
RA: 265/45 ZR18 101Y
FA: 8.0J x 18, RO 57
RA: 9.5J x 18, RO 49
No
FA: 235/40 ZR19 (92Y)
RA: 265/40 ZR19 (98Y)
FA: 8.0J x 19, RO 57
RA: 10J x 19, RO 45
No
FA: 8J x 20, RO 57
RA: 10J x 20, RO 45
No
FA: 8.5J x 20, RO 57
RA: 10.5J x 20, RO 47
No
FA: 235/45 R18 94V M+S
RA: 265/45 R18 101V M+S
FA: 8.0J x 18, RO 57
RA: 9.5J x 18, RO 49
RA only
FA: 235/40 R19 92V M+S
RA: 265/40 R19 98V M+S
FA: 8.0J x 19, RO 57
RA: 10J x 19, RO 45
No
FA: 235/35 ZR20 (88Y)
RA: 265/35 ZR20 (95Y)
FA: 235/35 ZR20 (92Y)
RA: 265/35 ZR20 (99Y)
FA: 235/35 ZR20 (88Y)
RA: 265/35 ZR20 (95Y)
FA: 235/35 ZR20 (92Y)
RA: 265/35 ZR20 (99Y)
Winter
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Tires
Tire sizes
Wheel sizes
Snow
chains
718 Boxster GTS, 718 Boxster T, 718 Cayman GTS, 718 Cayman T
FA: 235/35 ZR20 (88Y)
RA: 265/35 ZR20 (95Y)
Summer
FA: 8J x 20, RO 57
RA: 10J x 20, RO 45
No
FA: 8.5J x 20, RO 57
RA: 10.5J x 20, RO 47
No
FA: 235/45 R18 94V M+S
RA: 265/45 R18 101V M+S
FA: 8.0J x 18, RO 57
RA: 9.5J x 18, RO 49
RA only
FA: 235/40 R19 92V M+S
RA: 265/40 R19 98V M+S
FA: 8.0J x 19, RO 57
RA: 10J x 19, RO 45
No
FA: 235/35 ZR20 (92Y)
RA: 265/35 ZR20 (99Y)
FA: 235/35 ZR20 (88Y)
RA: 265/35 ZR20 (95Y)
FA: 235/35 ZR20 (92Y)
RA: 265/35 ZR20 (99Y)
Winter
Wheels:
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Overview of Porsche wheels for summer and winter tires
Identification on inside of wheel:
Wheel size, rim offset (RO) in mm, part number (without color code FFF) and Porsche logo
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18-inch "Boxster 4" wheel
FA: 8J x 18, RO 57
Part No. 982.601.025.M_FFF
RA: 9.5J x 18, RO 49
Part No. 982.601.025.N_FFF
18-inch Boxster 4
18-inch "Cayman 3" wheel
FA: 8J x 18, RO 57
Part No. 982.601.025.P_FFF
RA: 9.5J x 18, RO 49
Part No. 982.601.025.Q_FFF
18-inch Cayman 3
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19-inch "Boxster S 4" wheel
FA: 8J x 19, RO 57
Part No. 982.601.025_FFF
RA: 10J x 19, RO 45
Part No. 982.601.025.A_FFF
19-inch Boxster S 4
19-inch "Cayman S 4" wheel
FA: 8J x 19, RO 57
Part No. 982.601.025.B_FFF
RA: 10J x 19, RO 45
Part No. 982.601.025.C_FFF
19-inch Cayman S 4
20-inch "Carrera S 4" wheel
FA: 8J x 20, RO 57
Part No. 982.601.025.H_FFF/
982.601.026.A_FFF
RA: 10J x 20 H2, RO 45
Part No. 982.601.025.J_FFF/
982.601.026.B_FFF
20-inch Carrera S 4
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20-inch "Carrera Classic 2" wheel
FA: 8J x 20, RO 57
Part No. 981.362.160.14_FFF
RA: 10J x 20, RO 45
Part No. 982.601.025.S_FFF
20-inch Carrera Classic 2
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20-inch "Carrera Sport" wheel
FA: 8.5J x 20, RO 57
Part No. 982.601.025.K_FFF/
982.601.026.C_FFF
RA: 10.5J x 20, RO 47
Part No. 982.601.025.L_FFF/
982.601.026.D_FFF
20-inch Carrera Sport
20-inch "911 Turbo 4" wheel
FA: 8.5J x 20, RO 57
Part No. 982.601.025.F_FFF
RA: 10.5J x 20, RO 47
Part No. 982.601.025.G_FFF
20-inch 911 Turbo 4
Information
Improper handling can damage the wheel surface.
Carry out tire removal and mounting using a bead holding-down device only.
Use a leather pad on the rim flange to support the valve insertion tool.
Only use the Porsche centering clamping set for balancing.
Do not use brushes to clean the wheels because brushes can cause deep scratches that cannot be
removed by polishing.
Never use solvents or other chemical substances on tires.
Information
Only fit wheels with identical part numbers on one axle.
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Technical Information
Wheel
Mounting:
16/19
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Tightening torque 160 Nm (118 ftlb.)
WARNING
Driving with different tyres (mixed tyres)
•
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
718 Boxster, 718
Boxster S, 718
Cayman, 718
Cayman S
Tire size
Tire make and type
FA: 235/45 ZR18 94Y
RA: 265/45 ZR18 101Y
Pirelli PZero N1
(Inside/Outside)
FA: 235/40 ZR19 (92Y)
RA: 265/40 ZR19 (98Y)
Pirelli PZero N1
(Inside/Outside)
Yokohama Advan Sport V105 N0
(Inside/Outside)
FA: 235/35 ZR20 (88Y)
RA: 265/35 ZR20 (95Y)
Pirelli PZero N1
(Inside/Outside)
FA: 235/35 ZR20 (92Y)
RA: 265/35 ZR20 (99Y)
Michelin XL Pilot Sport 4S N0
(Inside/Outside)
Model
Tire size
Tire make and type
718 Boxster GTS,
718 Boxster T,
718 Cayman GTS,
718 Cayman T
FA: 235/35 ZR20 (88Y)
RA: 265/35 ZR20 (95Y)
Pirelli PZero N1
(Inside/Outside)
FA: 235/35 ZR20 (92Y)
RA: 265/35 ZR20 (99Y)
Michelin XL Pilot Sport 4S N0
(Inside/Outside)
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Winter Tires:
ENU
Technical Information
16/19
Model
Tire size
Tire make and type
718 Boxster, 718
Boxster S, 718
Boxster GTS, 718
Boxster T, 718
Cayman, 718
Cayman S, 718
Cayman GTS, 718
Cayman T
FA: 235/45 R18 94V M+S
RA: 265/45 R18 101V M+S
Pirelli Winter 240 Sottozero Series II N0
(Inside/Outside)
Continental ContiWinterContact TS830P N0
(Inside/Outside)
FA: 235/40 R19 92V M+S
RA: 265/40 R19 98V M+S
Michelin Pilot Alpin PA4 N0
(Rotation)
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 both inscriptions “Rotation” and “Left”
or “Right”
= directional mounting on specified side only.
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.
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.
Tire Pressure:
WARNING
Incorrect tire pressure
•
Uncontrollable vehicle handling
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
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.
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
718 Boxster, 718 Boxster S, 718 Cayman, 718 Cayman S
FA
RA
2.0 bar
200 kPa
29 psi
18-inch wheels
2.0 bar
200 kPa
29 psi
19-inch wheels
2.1 bar
210 kPa
30 psi
2.3 bar
230 kPa
33 psi
20-inch wheels
718 Boxster GTS, 718 Boxster T, 718
Cayman GTS, 718 Cayman T
Wheel size
FA
RA
2.3 bar
230 kPa
33 psi
20-inch wheels
Standard tire pressure for winter tires
Wheel size
718 Boxster, 718 Boxster S, 718 Boxster GTS,
718 Boxster T, 718 Cayman, 718 Cayman S,
718 Cayman GTS, 718 Cayman T
FA
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18-inch wheels
2.2 bar
220 kPa
31 psi
19-inch wheels
2.2 bar
220 kPa
31 psi
Comfort tire pressure for summer tires up to 165 mph (270 km/h) – only for vehicles with
Tire Pressure Monitoring (TPM) and “Comfort pressure” menu in the multi-function display
(depending on the country)
WARNING
Driving at high speed with low tire pressure
•
Irreparable damage to tires

Set Comfort air pressure for tires only on vehicles with Tire Pressure Monitoring (TPM) and “Comfort”
selected in the "Tire pressure" main menu in the multi-function display.
Wheel size
718 Boxster, 718 Boxster S, 718 Boxster GTS,
718 Boxster T, 718 Cayman, 718 Cayman S,
718 Cayman GTS, 718 Cayman T
FA
RA
2.1 bar
210 kPa
30 psi
20-inch wheels
Snow Chains:
WARNING
Incorrectly installed snow chains
•
Uncontrollable vehicle handling

Do not exceed the maximum speed of Speed 30 mph/50 km/h.

Observe installation instructions from the chain manufacturer.
Porsche offers the following snow chains as accessories:
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Tire size
Porsche Part No.
Type of snow chain
265/45 R 18 M+S
982.044.600.00
Link-type chain, quick fit
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Wheel Storage: Tires must be stored in a cool, dry and dark room with adequate ventilation. Tires must never come into
contact with fuel, oil, grease or chemicals.
Complete wheels can be stacked for storage; it is advisable to increase the tire pressure by 0.4 bar (6
psi).
If the tires are not mounted on wheels, it is best to store them in a vertical position. We recommend that
you turn tires stored in this position every two weeks in order to prevent flat spots. Tires that are stacked
in a horizontal position will become severely deformed and cannot be seated properly in the rim flange
when they are mounted.
General
Information:
Always use new valves when changing tires.
Always observe any possible instructions concerning the rolling direction and/or specifying which side
the tires must be mounted on. Refer to notes on page 1 (if applicable).
Coat the tire beads and humps with mounting lubricant before mounting the tire. This ensures that the
tire beads will slide over the humps easily. In order to prevent the tire from turning on the wheel, avoid
extreme driving maneuvers (acceleration and braking) during the first 100 to 200 miles with new or
recently mounted tires.
In order to optimize smoothness of rolling, it is appropriate - and necessary in individual cases - to mount
the tire in a certain (favorable) position with respect to the wheel (matching).
Matching (uncontrolled and controlled) is explained below:
Uncontrolled matching: Turning the tire on the wheel by 90° or 120° if necessary in order to achieve an
acceptable value with regard to rolling smoothness (true running, imbalance and weight distribution of
balance weights).
Controlled matching: With a balancing machine with matching program. In most cases, this produces an
even better result with regard to the rolling smoothness (true running, imbalance and weight distribution
of the balance weights) than can be achieved with uncontrolled matching. Maximum permissible radial
runout and lateral runout of the wheels < 0.7 mm. Maximum permissible radial runout and lateral runout
of the wheels with tires < 1.25 mm. Values < 1.50 mm - ideally approx. 0.5 mm - are desirable.
The mounting pressure (seating pressure) of 58 psi/4.0 bar overpressure must not be exceeded before
both tire beads are evenly seated on the rim flange.
If new tires are to be mounted or the tires of one axle are to be replaced, tires of the same make, the
same type and with the same specification code must always be used on each of the two axles. If tires
are replaced on one axle only, the different tread depth from that on the other axle can cause a noticeable
change in the familiar handling. This is especially the case if new tires are mounted on the rear axle. This
effect decreases with increasing tire mileage.
When replacing a tire on an axle, make sure that the tread depth of the new tire does not differ from that of
the other tire by more than 30 %.
If a tire is damaged and it cannot be determined with absolute certainty that there is no ply damage - with
all of its consequences - or if the tire was thermally or mechanically overloaded due to a loss of pressure
or other prior damage, we recommend replacement of the tire in question for safety reasons.
Repairs on “ZR” tires are not permissible, as is the use of inner tubes in tubeless tires. Tires age due
to chemical and physical processes, which can impair their function. Tires that are stored unused for
an extended period harden and become brittle faster than tires that are in continual use. Hairline aging
cracks can occur on older tires. On tires in continual use, the kneading action activates the plasticizer in
the rubber and thereby prevents hardening and cracking.
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Therefore, attention should be paid not only to the tread depth but also to the age of the tire. Tires should
not be older than 6 years. The age of the tire can be determined via the DOT code on the sidewall, which
indicates the production date of the tire: e.g. DOT 2201= 22nd week of 2001.
Important Notice: Technical Bulletins issued by Porsche Cars North America, Inc. are intended only for use by professional automotive technicians who have attended Porsche service training
courses. They are written to inform those technicians of conditions that may occur on some Porsche vehicles, or to provide information that could assist in the proper servicing of a vehicle. Porsche special
tools may be necessary in order to perform certain operations identified in these bulletins. Use of tools and procedures other than those Porsche recommends in these bulletins may be detrimental to the
safe operation of your vehicle, and may endanger the people working on it. Properly trained Porsche technicians have the equipment, tools, safety instructions, and know-how to do the job properly and
safely. Part numbers listed in these bulletins are for reference only. The work procedures updated electronically in the Porsche PIWIS diagnostic and testing device take precedence and, in the event of a
discrepancy, the work procedures in the PIWIS Tester are the ones that must be followed.
© 2019 Porsche Cars North America, Inc.
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