I have similar bad experience having bought in 2011. Dealers service centre is so crowded that even maruti service centre looks better.
Hence my car got damaged when it went to service centre for service but they refused to entertain my damage claim. Some one has rightly pronounced the full form of BMW Biggest Money Waste. So dear friends you should opt for value for money brands like Toyota, Maruti. If u happen to see how cars are stored or serviced at Bird Automotive u will never buy this car