BMW X5 E70 New Panoramic Sunroof Slipstream Wind Deflector 54137171811. Title: BMW X5 E70 New Panoramic Sunroof Slipstream Wind Deflector 54137171811. Year of Vehicle: 2013. This part is brand new and sourced directly from the factory. Unlike some alternatives available at similar prices, it is neither a Chinese replacement nor a refurbished item. It is guaranteed to be 100% suitable and original. We offer a 60-day return period. We value our feedback reputation and strive to ensure our customers are satisfied. We are here to help and resolve any problems.