2011 BMW 128i Questions

All 2011 BMW 128i Questions

Ask a Question
engine was chugging; got worse and engine light came on; mechanic said computer said coil 1 misfiring, replaced coil 1 and 6 spark plug (expensive plugs); still chugged a little; chugging getting progressively worse; ...
She has brought to the dealership and number of times and they have put on new tires and rotation, but nothing seems to fix the problem Any ideas???? Thank you