I had a similar issue to you. I changed out a coil and replaced all 6 plugs and it's running smooth right now. I would also clean out the VANOS solenoids with compressed air or MAF cleaner. Take a look at the engine camshaft sensor and the intake camshaft sensor. Try swapping them out.
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Gloss Black Kidneys/Gloss Black Spoiler/AG M359/JB4 Stage II/VRSF DP/BMS Intake/BMW PPK
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