In Reply to: weird thing about X5 posted by yuppie on January 28, 2001 at 11:39:48:
(posted from: (148.74.251.190))
The ATC computer may have been reset to default settings during your recent reprogram, losing the adaptive learning of your driving style. The car could have felt sluggish, etc until it re-learned your driving style and optimzed the settings for you.