View Single Post
      03-18-2013, 05:43 AM   #2
Private First Class
Drives: '08 BMW 135i
Join Date: Apr 2010
Location: Moraga, CA

Posts: 162
iTrader: (1)

There is a system in the car that automatically drops it into neutral after a certain period of time when you come to a stop. I occasionally notice the slight "throb" you describe when I'm sitting at a traffic light and I always automatically check my rear-view to make sure it wasn't someone lighting bumping me from behind. If it is the same sensation, you're just feeling the car drop into neutral.
Little1er is offline   United_States
Reply With Quote