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August 12, 2025 Service bulletin

Manufacturers certificate for an overview of approved Porsche C30 engine oils

Porsche technical service bulletin No. 34-25 for 2021-2026 Porsche Cayenne, 2021-2026 Porsche Taycan and 2021-2026 Porsche Macan and others.

Bulletin number
No. 34-25
Component
Engine
Summary
Manufacturers certificate for an overview of approved Porsche C30 engine oils. Starting at model year 2021 vehicles.

Owners of these vehicles have filed 50 complaints in the engine category.

Vehicles covered

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