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BMW N51 bouncing rpms
I'm trying to figure out why my RPMs keep jolting the car at idle. At first I thought it was my EGR valve (I have an N51), but after cleaning it the cars RPMs still would still bounce up and down. At this moment I am cleaning my vanos solenoids to see if this will fix the problem. Is there anything else I'm missing? Could be the PVC?
Engine codes so here they are: P0420, P0430, P0140a
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