i really dont know the title!

[yosser]

if i describe this film to you could you tell me what it might be? its got some guy carrying an engine in a carrier bag so as he can do up a pink caddy ,he meets up with some yorkshire lass, they then drive to the country where he and her and there friend end up at some pond and some guy pretends he can kick box? it was on ch4 or bbc2 jus cant remember!

[Hugo]

Possibly VROOM (1988), but it was a Chevrolet not a 'caddy'