M47N2 Air-Intake Hose End Repair

This is a fix that I made for my 2007 BMW 320D air intake back in 2014. The M47N2 engine air intake hose has rubber ends which start to break over time, so instead of spending >30€ on a new OEM part (13717795284), I decided to make a fix of my own, as I had a 3D printer at home at that time. People keep asking me for the STL, and since I no longer have my own server, I decided that it's time to upload it here. NOTE: it's a tight fit so you'll most likely have to remove the whole 3 connecting parts of the intake as a single unit when trying to get to the engine (only 4 screws though, so it's not a big deal). Use the tool only for the documented engine or transmission, keep it square and follow the BMW service procedure and torque values.