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Hi group,
I've had my 635CSi for about 12K miles now and in the last 1K or less, the car has developed some hesitation while under steady throttle. I purchased the car after a tune-up and was wondering what to do here rather than just throw money at it. The hesitation is like a rhythmic hiccup that happens every few seconds as though the gas supply was cut off. Seems to be affected by the cold a little bit, only during steady throttle. The car is a totally stock U.S. model and I haven't fiddled with anything under the hood aside from changing the oil and air filter. I need your help or pointers here. For all I know, this could be very basic. I'd like to get the car running as smoothly as it was when I bought it. Thanks in advance.
Chris
'85 635CSi