Wagner Tuning Sports Cat – BMW M235i

The Downpipe-Kit fits in to: BMW M135i(x) F20 / F21 till 06/2013 BMW 335i(x) F30 / F31 / F34 till 06/2013 BMW 435i(x) F32 / F33 till 06/2013 Replacement for OEM BMW Part# 18328603875 made out of high quality stainless steel 1.4301 (SS304) 100% perfect fit, replace OEM less thermal load on the turbocharger more power by reducing back pressure significantly more torque 200cpi Catalytic Converter connection diameter 105mm Error display in the DME possible.