Originally Posted by GenePoole
I did a complete update a while back with SSS Progman. It took all night and my 50 amp Astron kept up (pegged the meter when I first hooked it up but settled down to about 30-40 amps) so you should be good with 50 amp or better. If you can, go with the recommended 70-80 amp though; Astrons are pretty much bullet-proof and could handle being pegged at 50 for a few minutes until it settled down. I don't know about some of the cheap switching PS's.
Nice, thanks for the info. What spec is your car? I believe the load will greatly depend on what modules you have. If yours is top spec with idrive etc etc that astron sound great. How much did you he it for?