Downpipe-Kit N55 with 200CPI catalyst 500001013Replacement for OEM BMW Part# 18328602882
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 118mm
Error display in the DME possible.