Yes, the hub is identical
Same 5x120 PCD and same 72.5 mm centre bore: wheels from Bentley Brooklands bolt on and centre on BMW M6 F12 Convertible without rings. You still need to check the offset and tyres, detailed below.
≈: width estimated from the original tyre size.
Wheel by wheel: offset and tyres
Each original wheel from Bentley Brooklands is compared with the one from BMW M6 F12 Convertible of the same diameter: how much closer the wheel gets to the shock absorber or how far it sticks out of the wheel arch, and whether the tyre keeps the same overall diameter.
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≈8Jx19 ET47 · 255/45R19 — Check on the car
Compared with the original ≈8Jx19 ET32 on BMW M6 F12 Convertible: shock absorber side +15 mm, wheel arch side −15 mm, tyre diameter +3.7 % : fit it with the original tyre size of BMW M6 F12 Convertible (255/40R19), not that of Bentley Brooklands.
Comparison for guidance only (estimated width). Check in detail
Before fitting the wheels
An identical hub is not enough: offset, width and diameter change the position of the wheel, and larger calipers can touch a smaller wheel. Original wheels often use bolts or nuts with a specific seat: keep the fixings intended for the wheel, with the thread of BMW M6 F12 Convertible (M14x1.25), tightened to the torque shown on its vehicle page. Finally, check that the size is among the approved fitments for your vehicle. This comparison is for guidance only: have the fitting approved by a professional.
And the other way round: wheels from BMW M6 F12 Convertible on Bentley Brooklands?