BMW 4 Series Owner's Manual.
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The 2.7-litre V6 biturbo engine has variable valve timing that improves torque and efficiency. It uses twin turbochargers and Motronic engine management. The cooling system integrates the turbochargers and uses an electrical coolant pump for circulation control.
This document provides technical information and repair instructions for an Audi automatic transmission. It includes sections on identifying the transmission, safety precautions for working on vehicles, transmission components like the torque converter, controls and housing, gears and the final drive. The document aims to ensure mechanics have the information needed to properly service the transmission and ensure vehicle safety.