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BMW Cooling System Bleed Screw Nipple
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A hose nipple to attach a hose to the BMW cooling system for bleeding.
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Model information
- Source
- Printables
- Category
- Automotive
- License
- Creative Commons — Attribution — Noncommercial — Share Alike
I was tired of the coolant making a mess in the engine bay whenever I had to refill the cooling system. This tool screws into the bleed screw port and allows you to attach some 3/8" tubing. This stops coolant from spilling and allows you to more easily see when the system is free of air.
V1 is pictured, I made some improvements after using it and V2 is what is here. Hopefully you find it useful!
I printed with PETG and 4 perimeters. I recommend printing the threads at 0.1 mm layer height.