Large and luxurious grand tourer, but it's pricey
PROS
- Instant, relentless acceleration from M850i
- Excellent cruising ability
- High-tech chassis with great handling
- Lots of modern technology available
CONS
- Steep asking price - M850i costs £100k+
- It feels quite big on the road
- Interior not much more special than a 3 Series
- Low roof means less headroom, poorer visibility