For the ones who does care
:
Front left side: 28mm.
Rear left side: 39mm
Front right side: 25mm
Rear right side: 52mm
This should support the M60 and M62 engine on original BMW rubber mounts.
It is also necessary to relocate/change the cooling for the automatic transmission from pipes to hydraulic hoses, caused by conflict of the steeringrod and exhaust-hedders.