Control valve N205 for the camshaft adjustment, suitable for all 2.5L TFSI engines as installed in the Audi RS3 and TTRS. The control valve is responsible for the camshaft adjustment, regulates the timing of the camshaft . The valve often breaks down, which results in an enormous loss of power and, in the worst case, engine damage due to incorrect timing. Therefore, the valve in your Audi should be checked regularly and replaced at the slightest sign of wear. The 2.5L TFSI engine has two control valves. One is for the intake camshaft and the other for the exhaust camshaft. Price per valve. Manufacturer Information about the manufacturer BAR-TEK BAR-TEK Motorsport GmbH Im Rauschen Auel 3, 51491 Overath-Brombach, Germany info@bar-tek.com