2016 AUDI S4 CGWB (8W)
8W / Sedan / Global / main markets: Europe, USA, Canada, Australia
CGWBExact year/trim recordSilver
Engine identity
Oils and fluids
Service and parts data
Common and chronic problems
- Oil consumption issues in early B9 engines noted by some owners
- Carbon buildup from direct injection
First checks
- Inspect supercharger belt condition and tension
- Check for carbon deposits on intake valves
- Verify DSG transmission fluid condition and service history
Before replacing parts
- Save fault codes and freeze-frame data before clearing anything.
- Check engine oil, coolant and transmission fluid using the correct temperature and service procedure.
- Verify power, ground, connectors, hoses, leaks and live data before replacing expensive parts.
Important notes
- Engine tuning and power vary slightly by market due to emission regulations and fuel octane ratings.
- Supercharger system improves low-end torque and responsiveness compared to previous turbocharged S4 models.