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Ac Schnitzer Acs3 3 Series E46 M3 Sport 2003 Youtube Engine upgrades consisted of ac schnitzer camshafts, dual pickup sump, an oil restrictor in the head and a cold air snorkel into the air filter box replacing the left an m3 touring station wagon prototype was built to evaluate the feasibility of building an m3 model on the existing platform of the e46 station.
