Questions & Answers for: BMW motor surges

engine surging Engine has begun to surge 200-300 RPM at idle, never done it in the past, If I rev the motor it stops. look for the holes in air intake tube.at the bend

BMW R1150 RT i'm wondering if you're getting the surging effect at low speed with the 2004 RT. I was looking for a used RT but your comment got my attention, I also hate low speed surging. I just read

BMW R1150 RT i'm wondering if you're getting the surging effect at low speed with the 2004 RT. I was looking for a used RT but your comment got my attention, I also hate low speed surging. I just read

BMW R1150 RT i'm wondering if you're getting the surging effect at low speed with the 2004 RT. I was looking for a used RT but your comment got my attention, I also hate low speed surging. I just read

...to the required setting, hence the surging idle. Use carb cleaner around the butterfly and stepper motor areas and see if that sorts

...you explaining sounds like an engine that is "surging" which could be an IAC(Idle Aior Control) motor...code should be stored to verify this...what happens is the inside of this part, that is ...

...and from time to time the idle increase until 3000 rpm, if in this moment you throttle , the motor stop. Hi, Jose for this situation I would call my local dealer or reputable shop's ...