TickerMine surveyed BMW dealerships nationwide about their bestselling vehicles, promotions or other dealer incentives for trucks, and offers for free satellite radio. The survey revealed that BMW's 3 Series is the brand's best-selling car right now, according to 43% of BMW dealerships surveyed. The 5 Series and the Z4 were the next best-selling cars, both named by 14% of respondents. Dealerships are not currently offering special deals on trucks, but 68% of dealerships are offering free satellite radio, some for limited times, and some in particular models such as the X-series.