E46 318i idling & steering knock

Ash777

Active member
Good day Gents
If anyone has experience on this...?
I started having an idling problem. The car would continually dip in idling, causing the car to shudder, and sometimes stall. My mechanic replaced the air mass meter. The problem seems to be 70% solved. the idling doesnt dip as often, or by as much rpm. Now Its alot smoother now and the car doesnt stall, but the idling still dips occasionally. IF i stop at a red light, the idling may typically dip two or three times causing the motor to shake slightly, then picking up to normal rpm again.
Any advise? injectors? vacuum leaks? also how to check for vacuum leaks besides a competent inspection?

Other information:
car is at 215 000 kms
air mass meter new
Just serviced

Ta
 
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