It is highly applicable to these cars:
AUDI A3(8L1)1.8
SEAT LEON(1M1)1.8 20
V SKODA OCTAVIA(1U2)1.8
VW BORA(1J2)1.8
VW BORA(1J2)1.84 motion
VW GOLF IV(1J1)1.8
Throttle Body/Throttle Valve