A second set of exhaust gas turbochargers with a turbine and {TAIL ~ a compressor} is provided wherein the turbines of the exhaust gas turbochargers of {HEAD ~ the second set} are connected in parallel to the exhaust gas manifold and the respective compressors are connected serially to the first charge air distributor 
A second set of exhaust gas turbochargers with a turbine and { TAIL ~ a compressor } is provided wherein the turbines of the exhaust gas turbochargers of { HEAD ~ the second set } are connected in parallel to the exhaust gas manifold and the respective compressors are connected serially to the first charge air distributor
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