moktar 7 Report post Posted May 27, 2008 Hey all, I recently found this out and some of y'all will probley know about it but its a handy lill hint if ya dont If you press the trip odometer button and turn the ignition key to accessory position and release the button you get some interesting diagnostic codes and a full instrumentation test of the VDO gauges and the LEDs Heres what they mean: 1st display: BMW PART NUMBER (6 digits) (my buddy thought it would be funny to tell me that this was ACTUAL kms that the car has done 360260kms i nearly died) 2nd display: CODE NUMBER (5 digits) Internal Coding Plug # 3rd display: K NUMBER (4 digits) 4th display: CHASSIS NUMBER (5 digits) this is part of your VIN 5th display: SOFTWARE VERSION (3 digits) 6th display: REVISION INDEX (2 digits) Hardware # Have fun! Quote Share this post Link to post Share on other sites