Opel ZAFIRA 2017 Owner's Manual page 313

International service schedule
Required engine oil quality
Engine oil quality
dexos1 Gen2
dexos2
In case dexos quality is unavailable you may use the oil qualities listed below:
Engine oil quality
ACEA A3/B4
ACEA C3
All countries with international service interval 3 304
Petrol engine
B14NET
✔
–
All countries with international service interval 3 304
Petrol engine
B14NET
–
–
All other petrol engines
(including CNG, LPG, E85)
–
✔
All other petrol engines
(including CNG, LPG, E85)
✔
✔
Technical data 311
Diesel engines
–
✔
Diesel engines
✔
✔