MERCEDES A45 GLA45 CLA45 AMG ATMOSPHÄRISCHES ABLASSVENTIL BOV ADAPTER BLOW OFF VENTIL
This unit fits the PRE facelift A45, CLA45 and GLA45 AMG vehicles. Atmospheric Blow Off Valve Adaptor. - Vent to Atmosphere action - that 'TSCHH' noise on lift off. IT WILL NOT FIT FACELIFT vehicles.