I've just carefully reviewed the advertisement: it is somewhat confused...
First, it is an autobox, the gear position indicator on the transmission tunnel is visible.
Second, the engine is NOT lifted from the M5, but from the X5 truck and 745 car.
The red dash is horrid. It is painted MDF. One reason ours looks OK is that the colour is "wood like". I have expensive upgrade plans...
The mileage is very low.. less than 1000 miles a year. Why? Hs it been serviced every year? Even if it has I wouldn't trust the tyres. They are Yokahama's and are likely to be from 2012. So 7 years old, mostly effectively in storage. There will be no wear...and precious little grip. The Plus 8 needs all the grip it can get and the rears wear about 2x the fronts. My rears lasted about 18,000 miles and the last 2000 were "interesting"