BMW Repair: steering wheel off, 1990 bmw 525i, bmw 525i

Question
How do you take the steering wheel off of a 1990 BMW 525I? and what tool do I need?

Answer
With or with out air bag?If with you must first remove the airbag(after disconnecting the battery)19 mm socket.The key also has to be installed and turned to the run position.Without airbag same .You must have the key in the run position in both cases.