bmw 330i

I recently bought a 2001 new 330i, and I quickly noticed that when you turn the headlights on they will cut out and back in every 10 or so seconds. I did have an aftermarket stereo in it, and when I turned the headlights on the lights on the stereo kind of dimmed. I then thought it had something...

Hello everyone. I need help. I tried the search function but it was of no avail. Problem: Engine light came on... Car (2002 330i) stutters and feels like if it is going to turn off on idle. When I drive, car is not responsive and accelerates at a slow rate. I step on the gas pedal but car...