http://www.azmotorsports.com prices are lower than list. List prices (Current AZ price)

E128 rack $64.20 ($57.78)
E36/E45
E45 top case and E36 side cases
E36 $158.36 ($142.52)
E45 $161.04 ($144.94)
for E36/E45 $36.92 ($33.23)

E36 w/E68 pad $195.28 ($175.75) ~ total w/rack $259.48 ($233.53)
E45 w/E68 pad $197.96 ($178.17) ~ total w/rack $262.16 ($235.95)

E360/460
E360 E460
E360 case $179.23 ($161.31) - E460 case $200.00 ($180.00)
for E360 $42.80 ($38.52)
for E460 $35.31 ($31.78)

E360N w/E83 pad $222.03 ($199.83) ~ total w/rack $286.23 ($257.61)
E460N w/E79 pad $235.31 ($211.78) ~ total w/rack $299.51 ($269.56)

See here for installation
or here
Tires