Go to
www.realoem.com and enter the last 7 characters of the car's vehicle identification number (VIN). Hit enter and bookmark the page. Scroll down to instruments and measuring systems to see what cluster is in your car. Then, go back to
www.realoem.com but this time use the dropdown menus to build a car like your car. Scroll down to instruments and measuring systems to see what other clusters were installed in your model year bimmer.