I have a '82 733i that i recently got and i am very happy with. However on minor annoyance is the fact that it has a top speed of 120 something mph but it has a speedo that only goes up to 85 mph. The previous owners said it had something to do with the fact that it is grey market or something. Does anyone know an easy way to get a newer speedometer which would go higher than my current one? Thanks.