TheNew RDSport BMW M3 RS46 2010
The 2010 RDSport BMW M3 RS46 is new engine internals include larger, forged, light-weight, aluminum pistons, forged, billet connecting rods and new billet crankshaft with a longer stroke. All of these parts equate to a larger displacement 4.6 liter motor, up from the factory 4.0 liter. The exhaust system of the RDSport RS46 BMW M3 features race, tubular headers with F1-style merge collectors,
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