The WAGNERTUNING Decat fits to following models with N57 engine:

3er / 3-series; E90,91,92,93 325d,330d(x) 2007-2013 150-180 KW
5er / 5-series; F10,11,07GT 525d, 530d(x) 2010-2011 150-190 KW
7er / 7-series; F01,02 730d, 740d(x) 2007-2012 180-230 KW
7er / 7-series; F01,02 (LCI) 730d(x) 2011-2015 190 KW
X3 / F25 30d(x) 2009-2016 190 KW
X4 / F26 30d(x) 2013-2016 190 KW
X5 / E70 LCI 30d(x), 40d(x) 2009-2013 180-225 KW
X6 / E71 30d(x), 40d(x) 2009-2014 180-225 KW

Replacement for OEM BMW Part# 18308511143

made out of SS304
100% perfect fit, 1:1 OEM replacement
less thermal load on the turbocharger
more power by reducing back pressure
significantly more torque
Ø 70mm

*ECU will need to be coded to avoid engine management light errors.