so my 93 318is has a idle issue. i started the car and took off the oil filler cap with ease. Idle increased and sounded better. I unplugged the vacuum line the run from the valve cover to the throttle body, and also had a slight increase. When I plugged the tb and vc hose in the idle surged and was bouncing for about a minute and same with the oil cap. I tried to pull the oil dipstick, but that mofo is not coming out. I've checked for vacuum issues constanly and repaired them. Still no idle fix. Ideas?
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