BMW S58, Руководство пользователя

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S58�Engine
4.�Engine�Mechanical
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The�precise�procedure�for�sealing�the�sump�can�be�found�in�the�up-to-date�information�in�the�BMW
workshop�system�ISTA.
4.1.2.�Crankcase
The�crankcase�of�the�S58�engine�is�made�of�gravity�die-cast�Al�Si�7�Cu�0.5�Mg.
As�a�heat�management�module�is�not�used�on�the�S58�engine,�the�coolant�ducts�and�the�coolant
pump�mounting�have�had�to�be�adapted�to�the�crankcase.
That�involved�increasing�the�cross-sections�of�the�water�chambers�in�order�to�minimize�the�flow
velocity�of�the�coolant�in�the�crankcase�as�much�as�possible�due�to�the�high�delivery�rate�of�approx.
300 l/min�of�the�new�coolant�pump.
Furthermore,�the�mounting�points�for�the�ancillary�components�specific�to�the�S58�engine�have�been
adapted�to�the�crankcase,�and�the�oil�ducts�for�piston�cooling�via�the�oil�spray�nozzles�have�been
integrated.