Only the diesels are BMW engines and they're in both the ZT and the 75.

*Edited to add* the only diesel in the ZTs and 75 are BMW, so it's easy to identify.

Petrol are various [none BMW], V8 from the mustang iirc, V6 [2.0 or 2.5] or 2 x 1.8 K series [one with a turbo].