Any update on this?
I have recently changed the spark plug again. While I am at it, I have also changed the coil, motor oil, rear differential oil, cleaned the VANOS.
The problem still persisted. Sometime it hits so hard it almost throw my face into the steering wheel. Again, no code was stored at all. I have talked to BMW, and they still fed me the same BS that if anything is wrong, DME will have code, which is not true.
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