BMW: rattling noise ?, 320i 1993, throtle

Question
i have a six cylinder e36 320i 1993 model its an automatic  , for some reason everytime i press the pedal i hear a rattling noise coming from somewhere under the car ? all i know is its something rattling of the actual floor of the car and the more i press the throtle the faster the noise gets the noise is located somewhere underneath the gearstick / front console area ? please help as i have tried askin evry 1 and no 1 knows ?

Answer
John
 I'm not familiar with the noise on the floor, but if it increases when you press the throttle its likely something connected to the engine.  I know that the tensioner for the serpantine belt will rattle when it starts getting aged.  
 Good luck,
 Josh