What is difference between TSI and TFSI?

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Tags

1. #direct
2. #acronym
3. #turbo
4. #gasoline
5. #having
6. #subsidiary
7. #concept
8. #injection
9. #stratified
10. #forced
11. #engine
12. #stated
13. #induction
14. #charger
15. #previously
16. #volkswagen
17. #petrol
18. #while