Supercharging the C55: reliability-versus-power debate

Bolting a supercharger (e.g., a Kleemann kit) onto the M113 is contested. One camp argues the naturally aspirated motor isn't built for it, cites the oil-cooler/filter-housing location as a physical obstacle, and warns forced induction undermines the car's reliability; another notes the Kleemann setup adds ~146 hp for roughly $10k plus install. …