Got a bigger bonnet!

Parked beside a strange one today. Lurking in the darkness is this oddly extended shortie with a massive bonnet. My immediate thought was blimey! Is there a V12 in there or maybe even a Merlin?
We had to leave before the owners were up - after a bit or research I found that it now has a BMW V6 with a bit of excess room in the engine bay.

One year younger than our ‘Brick’, despite the SII grille.