Awsome bmw e46 trick
I was just sitting in the and decided to push buttons and this is what I found...
E46 3series OBC Hidden Functions (unlock n test)
Instructions to access the hidden OBC functions: 1. Hold Trip Reset while turning ignition key to on position 2. OBC should show "Test" 3. Use Trip Reset to select function 19.0 that unlocks all the f
BMW DIAGNOSTIC CODES
A built-in BMW, self diagnostic code gives the benefit of troubleshooting a failure car component, the method to retrieve the faulty codes after Check Engine light turns on. This method helps car lovers to pin point the problem and replace the defecting component quickly and cost effectively. It works on models that have same instruments and LED's layout. Below here is the code table to interpret the meaning: http://pelicanparts.com/bmw/techarticles/Mult-Code_Reading/Mult-Code_Readin g.htm
BMW E46 How to do dashboard diagnostic test without tools.
How to do dashboard test on BMW E46 1999-2005