Downpipe BMW E90, E91, E92, E93 325d, 330d, 330xd M57N2

Upgrade your BMW 3 Series with a premium 3″ (76mm) downpipe engineered specifically for M57N2 (M57TU2) engines. Designed and manufactured by KPerformance, this performance downpipe ensures a precise bolt-on installation while significantly improving exhaust flow. The result is reduced backpressure, quicker turbo response, improved power delivery, and a deeper, sportier exhaust note.

Compatible BMW Models

BMW 3 Series (2005–2010):

• E90 – 325d (145 kW / 197 hp) – M57N2

• E91 – 325d (145 kW / 197 hp) – M57N2

• E90 / E91 / E92 / E93 – 330d (170 kW / 231 hp) – M57N2

• E90 / E91 / E92 / E93 – 330xd (170 kW / 231 hp) – M57N2

If your exact model is not listed, please browse our other products or contact us for guidance.

Product Details

• Direct bolt-on design for straightforward installation

• Manufactured from high-grade SS304 stainless steel (1.5 mm wall thickness)

• Full 3″ (76 mm) main pipe diameter

• 110 mm flange-to-turbine connection

• 61 mm connection to the factory exhaust system

• 1 port for lambda (oxygen) sensor

• 2 ports for EGT (exhaust gas temperature) sensors

• 1 fitting for pressure sensor hose

OE reference numbers:
18307795998, 18307806413, 18307808235, 7795998, 7806413, 7808235

Built for enthusiasts who expect durability, precise fitment, and noticeable performance gains.