Oil Supply

Oil Supply

The Boxster S engine features integrated dry sump lubrication. This ensures a reliable supply of oil at all times. Two oil return pumps draw the oil out of the cylinder heads. It is defoamed via a new return system of narrow ducts and finally collected in the integrated dry sump. The weight optimized oil pressure pump collects the oil from the integrated dry sump and supplies it to the lubrication points in the engine.

This principle ensures optimum oil supply even when extreme requirements apply, such as during high lateral and longitudinal acceleration. The oil supply system has been adapted to the high levels of stress imposed on the crankshaft drive and the resultant requirements imposed on the switching quality of the valve drive's adjusting elements.

The delivery capacity of the oil pressure pump in the crankcase has also been optimized by reducing the axial play tolerances of the impellers.