01E was fitted to quite a few models:

Audi Coupe S2 B3.
Audi Avant S2 B4.
Audi RS2.
Audi 100 S4 C4.
Audi S6 C4.
Audi S4 B5.
Audi A4 1,8TQ B6.
Audi RS4 B5.
Audi A6 2,7TQ C5.
Audi S8 D2.