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Advanced Auto Design built this 2005 545I for a local client. We first installed Asanti AF128's on the car. After driving the car for a week the customer decided to have us airbag the car. There is no company that makes a airbag kit for that car so we had to custom make all of the bag brackets. The car took around 5 weeks to completely bag the suspension because of all the trial and error. The BMW rides great, and there were only 2 small holes drilled in the trunk under the spare tire.
