REMUS component made in Austria and classified as an exhaust tailpipe. Identification: MPN 086512 1683CB, EAN 9029200255134. Manufacturer technical description: Stainless steel tail pipe set L/R consisting of 2 tail pipes Ø 84 mm Street Race Black Chrome, straight, carbon insert, with integrated valve fits without trimming the original rear skirt The activation of the valve is carried out using the original actuator via the vehicle onboard electronics.. Approval status: EC approved for all listed applications. Key applications: BMW 3 Series F30, BMW 3 Series F31, BMW 4 Series F32, BMW 4 Series F36. Verify the part number, engine variant and approval status for the exact vehicle before installation.