How difficult is it to replace right front signal bulbs? Can anyone help?

Typically, there is some work involved in replacing the turn signal lights, depending on the lighting assembly. In many cases, it involves removing the bumper. However, replacing the lights for your 2006 BMW 750Li should not be too heavily involved and it should only take half an hour to replace. In any case, we have a BMW factory trained technician at our facility and we'd be more than happy to take care of the light replacement for you. *Just be careful, if you try to replace the lights yourself and force it, you may run the risk of looking at a more expensive fix.