I just installed a Jim C chip on my '95 530i / 5 speed/ has air pump to intake box. When I come to a stop the rpm's drop to 500 causing a slight surge in rpm's. Also, when just crawling in 1st or even 2nd the car has tendency o buck much more than with the original chip. Any clue what's wrong or is this normal. Otherwise it is much smoother, and more respnsive especially between 2300 - 3500 rpm's
Also couldn't get orignal computer holding(what a bitch)clips back in, I temporarily wedged two small pieces of paint stick until I can get help.
Thanx in advance for any help or advice