I clean everything with alcohol, then apply a light coat of lithium grease. Also grease door/hood/tailgate hinges, door striker pivot pins, wiper pivot arms/shaft bushings, steering shaft joints, hood/tailgate latch mechanisms, at least once a year.

__________________
'03 X5 4.4 Sport, last of the M62s (8-03 build date)
I believe in deadication to craftmanship in a world of mediocrity!