BMW Z4 Roadster E89 Left Wind Deflector 54347200803 7200803 NEW. Title: BMW Z4 Roadster E89 Left Wind Deflector 54347200803 7200803 NEW. Model: Z4 Roadster (E89). Part Number: 7200803 54347200803. Year of Vehicle: 2011. 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.