I purchased a 2015 328I GT about about 9 months ago. This is a nice looking car and the performance thus far is good. I get numerous compliements about how nice the car looks. My biggest complaint is the "Wind Noise" which affects the driving experince is away that is soooooo annoyingto the point of frustration . I strongly feel BMW of North America needs to address this flaw. When … the radio and/ other media isnt turned on, the noise is unbearable so I find myself turning on and up music to in order to not hear the noise. There are so many days I want to drive without music etc yet toomuch winds noise I always have some type of media playing. I place my hand near the roof to get a feel of where the air is coming from. It's as though it isnt sealed tight to prevent outside niise and wind. I had a Infinity with a sunroof and the ride-noise free-no wind which leads me to believe this is a Big problem BMW doesn't want to deal with. The reason for saying this, I verbally brought this to the attnetion of my service advisor, Service Director numeroustimes to no avail. I was told by the service Director, he would test drive a car like mine to see if he experience the same, I havent gotten ffedback,. Service advisor said bring in back in so a techinician could ride along with me. Well my car has been in the service dept for regular maintence so why dealership cant follow-up on my concern. I plan to address this matter in wiritting soon. For the price, i shouldn't have ride uncomfortable. Additionally, while traveling on the interstate, local roadway with speed greater than 40, noise is evident. I curious to know if others who own a 328I GT experience this as well. As months and years past, this good result in water penetrating through the roof and burning gas because heat and or cold air can be felt when you put your hand where the wind noise is. Feel the car will depreciate faster because of this flaw. I want to ride in comfort for the price made. There are many other makes and models I have ridden in that have sun roof-double that yoy Do Not hear wind noise. Something gone wrong in designing.