AMR 500 Supercharger
The AMR 500 Supercharger is a small roots type unit with about 500CC displacement, its the heart of the V4 M.O.A.B Kit for a small bump in power on BMW 4 cylinder motors as M40, M42,M43 & M44.
Good for an increase of about 30HP ~ 50HP.
The AISIN AMR 500 is a 500cc dual lobe dual rotor compact heavy roots type positive displacement supercharger developed by WANKEL in Korb, Germany and manufactured in license by OGURA-Clutch Co. Japan. This supercharger is small, produces just enough boost for a 1.6-2L 4 Cylinder Engine. Used on the entry level V4 kits. It has the ability to spin both ways and still make power.
Heavy Roots type, Dual rotor dual lobe older design, Positive displacement supercharger.