Several companies advertise products that modify diesel cars to disable the EGR valve. This is acheived either by means of a software update or a blanking plate. In the case of the latter, I believe ...

I have previously owned a 2004 BMW 530d which was very a reliable car. I had to remove EGR valve a couple of times and clean it with carburettor cleaner. I now have a F31 335d, will I be able to clean ...