How to Reset a BMW E46
1. Attach the tool to the data link connector, located under the BMWs dashboard. 2. Switch on the BMWs ignition. 3. Watch for the screen on the tool to illuminate and select BMW using the scroll buttons on the tool and then push the reset tools OK button. 4. Select the E46 model with the scroll buttons and push the OK button. 5. Select Reset of Service Warning Light with the scroll buttons and push the OK button. 6. Anticipate for screen to read Reset Ok! 7. Switch off the BMW E46s ignition and remove the tool from the vehicle.