Hey r3v, I have 91 318i that needs a new fuel pump, I have a brand new one that came with the car, I've just never done it before so I have a few questions. First, on a scale of 1 to take it to a shop, how hard would it be to DIY it and apart from the 8mm and a screwdriver, will I need any special tools? Are there special instructions for relieving the fuel pressure so it doesn't spray all over my interior or tips for catching what does spray? Anything helps, thanks!