be careful when removing the injector as if you damage the casing its no good for exchange ,theres videoson the tube of people trying to get them out with all sorts of things even bmw with the full weight of the car on the injector via a chain block , some of them just pull out ,other way undo bracket ,pipe and wiring ,then put a decent piece of wood on top of it then give the engine a quick turn over to pop the injector out not a recommeneded method but sometimes works, or just pay some one who has the right gear ,had one of mine done last year was £150 for a recon injector and £150 labour at an indie ,I was lucky as it was number one and the inlet manifold didn't need to come off .