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Technical features
– Petrol direct injection
– Homogeneous-charge mode
– Roller cam followers with hydraulic backlash
compensation
– Flywheel-side chain drives for camshafts and
ancillary units
– Variable camshaft adjustment for intake and
exhaust camshafts
– Two-stage magnesium variable inlet manifold
with integrated tumble flap (not fitted in RS4)
– Drive-by-wire throttle control
– for compliance with exhaust emission standards
EU IV/LEV II
The main technical differences between the base
engine and the high-revving engine lie in the
following modules:
– Cranktrain
– Timing gear
– Cylinder head
– Oil supply
– Engine cooling
– Intake path
– Exhaust system
– Engine management
For an exact description of the differences, please
refer to the relevant section.
RS4 engine
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