Below is information direct from Germany regarding this product.
It may show additional information about fitment and specification.
The Downpipe-Kit fits in to:
BMW M135i F20 / F21 model 07/2013 -
BMW M235i F22
BMW M2 F87
BMW 335i(x) F30 / F31 / F34 model 07/2013 -
BMW 435i(x) F32 / F33 model 07/2013 -
Replacement 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 105mm
Error display in the DME possible.