How do you bypass the engine immobilizer on a 1996 astra 1.7 diesel engine?

The most simple way to bypass immobiliser is to drill out the bolts or do like i did and chisel off the black box on the back of the fuel pump. behind the black box you will find a fuel shut off solenoid ,put a live to the terminal (black and yellow wire that plugged into black box) you have now by passed the immobiliser