Spotted for the first time in Heathrow
| Topspeed | 306 km/u |
| Acceleration 0-100 km/u | 3.90 s |
| Power | 440 pk |
| Torque | 660 Nm @ 3000 tpm |
| Weight | 1755 kg |
Bob_W - 2019-09-27 at 21:17
This is the prototype/press-launch B4 S which was on long-term loan to Autocar at the time that it was spotted.
