BMW E39 528i Supercharged | First startup

First startup, been sitting since fall 2018 with lots of problems.
Just been fitted a custom Rotrex C30-94 supercharger with a 80mm pulley. M50 Intake manifold, Intercooler, oilcatch can. All the lines, pulley and rest is custom made. This was no supercharger kit (not recommended), gave lots of unnecessary headache.
More mods and upgrades are coming.
This is just a first startup. Running very rough, it got a bad MAF sensor.
Just need to clean up the build, wires, pipes and put back bumpers and trims, and its good to go!

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Видео BMW E39 528i Supercharged | First startup канала Zymh