How to Disable BMW X5 2013 N55 Oxygen Sensor Trouble Codes 2D22 2D13

In some situations,even you replace all oxygen sensors and then perform programming but the trouble code still exit.If you want to do deep diagnostics for your car or your customers cars,it will cost dozen dollars.So here is an alternative methods… Continue Reading

ECU Programming Tool KTAG & KESS V2 Explanation

As a professional mechanic, I have done a lot of research on ECU programmer, I was impressed on two products K-TAG ECU Programming and KESS V2. Here CnAutotool will Share my understanding of them. K-TAG introduces another brand new novelty to Alientech… Continue Reading