This is what seems to have happened in Bulgaria, where a teen racer decided that he must place a 5.0 liter V10 engine (the one from the outgoing BMW M5) under the hood of a BMW Z3 coupe ...

Apparently, they put very large engines in very small cars. BMW recently took the wraps off a V12-powered Z3 roadster built by the M division several years ago. The Z3, predecessor to today’s Z4 ...

There are shoes bigger than the Z3. And yet, in 1999, the mad scientists at BMW decided it would be fun to stuff a massive V12 engine under the hood of one. Not only did BMW give its smallest car ...

That's what this BMW Z3 M Coupe owner from South Africa thought, but since these cars are becoming a bit of a collector's item, he decided not to mess with its original engine and transmission pair.

It's a BMW Z3 roadster fitted with a massive V-12 engine. Although BMW offers precious few details on the wild mash-up, the engine in question is believed to be the 5.4-liter V-12 from the 750iL ...

The BMW Concept Touring ... inline-six engine in the M40i, delivers an impressive 382 hp (285 kW / 388 PS). This output surpasses the most powerful version of the Z3 M Coupe from 2002, which ...