Downpipe BMW F32, F33, F36 430d, 430dX, 435dX N57N, N57Z (Euro 6)

€200.00€180.00

Premium 3″ (76 mm) downpipe developed for BMW 4 Series models equipped with N57N and N57Z diesel engines. Manufactured from high-grade stainless steel, this upgrade improves exhaust gas flow and reduces backpressure, supporting quicker turbo response, stronger mid-range performance, and a deeper, sportier exhaust character.


Important Information

This version is designed for vehicles with the Euro 6 emission standard.
A separate Euro 5 variant is also available. Please confirm your vehicle’s emission standard before ordering, or send us your VIN number and we will verify compatibility for you.


Compatible Vehicles

BMW 4 Series (2014–2020): F32 / F33 / F36

  • 430d (190 kW / 258 hp) – N57N

  • 430dX (190 kW / 258 hp) – N57N

  • 435dX (230 kW / 313 hp) – N57Z

If your specific model is not listed, please browse our other available products or contact us for assistance.


Technical Specifications

  • Manufactured from quality SS304 stainless steel

  • Main pipe diameter: 3″ (76 mm)

  • Turbo flange diameter: 105 mm

  • Connection to factory exhaust system: 70 mm

  • 2 ports for lambda (oxygen) sensors

  • 2 ports for EGT (exhaust gas temperature) sensors

  • 2 fittings for pressure sensor hoses

OE reference numbers:
18 30 8 571 820 / 18308571820 / 8571820
18 30 8 513 528 / 18308513528 / 8513528
18 30 8 513 526 / 18308513526 / 8513526
18 30 8 589 883 / 18308589883 / 8589883
18 30 8 585 217 / 18308585217 / 8585217
18 30 8 595 419 / 18308595419 / 8595419

Engineered for precise fitment, long-term durability, and consistent performance gains in both standard and tuned configurations.