Engine Oil Recommendation - Porsche Boxster 2006 Owner's Manual

Engine Oil Recommendation

Recommended oil viscosity ranges dependent on ambient temperatures
Ambient temperature SAE Viscosity Range
seasonal engine oils
generally above –13°F/–25 °C SAE 0W-40, 5W-40, 5W-50
approved by Porsche
generally below –13°F/–25 °C SAE 0W-40 approved by Porsche
f Use only engine oils approved by Porsche.
If in doubt ask your authorized Porsche dealer for Porsche tested and approved all-season oils.
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Maintenance, Car Care