found it
curtesy of irishrover
standard height 100mm from bump stops
Front Rear
Extended 120-180 105-150
Standard 95-150 85-130
Low 75-140 75-120
Access 50-110 50-100
Here are the values from the wheel arch to the wheel CENTRE with front tyre pressure 28psi and rears 38psi,
car must be on firm level ground.
STANDARD height 470mm +/- 7mm
HIGH profile 510mm +/- 7mm
ACCESS height 405mm +/- 7mm