BMW’s M57 and N57 inline-six diesel engines are widely regarded as some of the finest diesel powerplants ever made. Smooth, torquey, and engineered to tolerances most factory 4×4 diesels can’t touch — they’re significantly overbuilt for the chassis they came in. That overengineering is exactly what makes them ideal for transplanting into heavier, harder-working vehicles.

A Nissan Patrol or Land Rover Defender with an M57 under the bonnet gets a serious upgrade in power delivery, fuel efficiency, and long-term reliability. We handle every aspect — engine, gearbox, wiring, ECU integration, cooling, and NZ compliance. The result drives like it was always meant to be that way.