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March 5, 2021 Service bulletin

List of approved C20 engine oils for all new and classic Porsche models 1984 and newer.

Porsche technical service bulletin No. 03-21 for 2003-2021 Porsche Cayenne, 2020-2021 Porsche Taycan and 2014-2021 Porsche Macan and others.

Bulletin number
No. 03-21
Component
Engine and engine cooling
Summary
List of approved C20 engine oils for all new and classic Porsche models 1984 and newer.

Owners of these vehicles have filed 569 complaints in the engine category.

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