I've recently encountered a problem with my turbo timer type-1, the old type with silver casing, blue& red color, not the new type with black casing and white color.
http://www.bmwclubmalaysia.com/wp-content/uploads/2007/09/abc37918.jpg
BMW 3-series coupes powered by the M V10 seem to be the flavor of the month with no less than three different models from three different tuners...
