Application: BMW E60, E61, E90, E91, E92, E93, N47, 316D, 318D, 320D, 520D, 2006-2010, 177 PS BMW E81, E82, E84, E87 E88 X1, N47,18D, 20D, 116D, 118D, 120D, 123D, 2006-2013, 115,136,143,163,177,204 km Pipe diameter -2.5 (63mm) Downpipe diameter at the connection with the central pipe - 61 mm The downpipe has the following connections: - one lambda probe socket - one socket for the temperature sensor - one tube for the pressure measurement tube It is used to replace the factory DPF and after its installation, the exhaust system is uncoupled, thanks to which the "bottom" of the engine noticeably improves, i.e. the so-called effect disappears. turbo holes, and power and torque are increased. Unlike similar products, our Downpips are made of SS304 stainless steel with a 1.5mm thicker wall (competing products have a 1.2mm wall, which may crack or warp).