hi guys ,, I have a problem with my 2004 BA XT Futura LPG,, when driving in cruise control up a hill, it will drop back two gears- rev its head off then select the correct gear, everyone I have spoken to doesn't know why , it doesn't do this when in not in cruise control, do you guys have any idea.. I want to put a turbo in it but I need to fix this problem first . If it dose this and hits boost it could get messy at speed or in the wet.. your input would be appreciated.. Thank you look forward to your feedback..

I would suggest getting yourself to an Auto Electrician and have him look at the BEM. BA/BF are known for problems with them. The Cruise on your car is purely electrical and is controlled through the BEM. Have a look at the cruise switch on the brake pedal as well.