Strengths
- Coupé, Convertible, Gran Coupé
- M850i V8 fast
- Cabin solid
Weaknesses
- Heavy
- Run-flat tyres
- Boot smaller than 7 Series
Notable tech
- CLAR platform
- Coupé (G15), Convertible (G14), Gran Coupé (G16)
- M8 above (covered separately)
- B58/N63 petrol, B57 diesel
- xDrive on V8 / inline-six
- iDrive 7
Common issues
- N63 V8 oil consumption
- Run-flat tyres
- iDrive 7 software
- Air suspension
Engine derivatives
US-spec trims and engines offered across G15's life. Click any two rows to compare them side-by-side.
Pick two engines to compare
840i 3.0 inline-6
BHP340
Torque500 Nm
0–604.9 s
Top155 mph
MPG (US)30 mpg
DriveRWD / xDrive
Gearbox8AT
M850i xDrive 4.4 V8
BHP530
Torque750 Nm
0–603.7 s
Top155 mph
MPG (US)20 mpg
DriveAWD
Gearbox8AT
840d xDrive 3.0 diesel
BHP320
Torque680 Nm
0–605.2 s
Top155 mph
MPG (US)39 mpg
DriveAWD
Gearbox8AT