Downpipe BMW E90, E91, E92 335d M57N2

Premium 3″ (76 mm) downpipe designed for BMW 335d models powered by the M57N2 (M57TU2) engine. Developed by KPerformance, this upgrade ensures precise bolt-on installation while significantly improving exhaust gas flow. The reduced backpressure supports faster turbo spool, improved throttle response, and a deeper, more performance-oriented exhaust tone.

Compatible Vehicles

BMW 3 Series (2005–2012): E90 / E91 / E92

• 335d (210 kW / 286 hp) – M57N2

If your specific variant is not listed, please browse our other products or contact us for confirmation.

Technical Specifications

• Direct bolt-on fitment

• Constructed from high-quality SS304 stainless steel (1.5 mm wall thickness)

• Main pipe diameter: 3″ (76 mm)

• Turbo flange diameter: 110 mm

• Connection to factory exhaust system: 70 mm

• 1 port for lambda (oxygen) sensor

• 2 ports for EGT (exhaust gas temperature) sensors

• 1 fitting for pressure sensor hose

OE reference numbers:
18308508523
8508523

Engineered for long-term durability, accurate fitment, and consistent performance gains in both stock and tuned setups.