Porsche intranet posting with information on WSR4
Porsche technical service bulletin WSR4 for 2026 Porsche 911.
- Bulletin number
- WSR4 (WSR4)
- Component
- Engine
- Summary
- Porsche intranet posting with information on WSR4 - Workshop campaign with individual claiming - Retrofitting charge air cooler support sleeve
Vehicles covered
- Porsche 911 2026 2026
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