Despite having 3 coils, 2 injectors, a nox sensor, 4 new plugs and a 'cat clean out' in the last 8 months, I still get an occasional stutter just before 2000 rpm. The problem is it may only happen once every other 20 minute journey and my local dealers can't seem to fix it. It's not a major problem by any means but I'm now constantly worrying if the problem is going to get worse which is spoiling my ownership of my loverly e93 320i M Sport somewhat.
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