Designed specifically for the BMW/Peugeot N18 engines, (Cooper S 2011 onwards, JCW Cooper S 2013 onwards, R58 Coupe 2012 onwards, Peugeot 208 GTi late 2012 onwards, RCZ THP 156 & 200 2011 on). This product is either recommended where the boost pressure has been increased by an ECU software upgrade, for those wanting a loud blow off sound, or simply as a solution to the many failures that have occurred.
Our alternative is a fully engineered solution offering both significantly improved reliability. Our valve is piston based, with no diaphragm to fail, and of all aluminium construction, it replaces the original unit with a pressure/vacuum operated piston valve that still also retains the desirable OEM ECU control over valve actuation. The valve has been proved on the VAG scene for many years. The spring is interchangeable for different levels of boost, and the solenoid is plug and play with the wiring harness which is included.
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