What is the function of the BMW N63 engine's 'hot-V' turbocharger configuration compared to a traditional twin-turbo layout?
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A
Turbos are mounted externally on the fenders to reduce underhood temperatures
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B
Both turbos are located in the valley between the cylinder banks, shortening exhaust paths and improving spool time but increasing heat soak
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C
Turbos are water-cooled and mounted below the engine for lower center of gravity
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D
One turbo handles exhaust from both banks simultaneously to reduce system complexity