ELRING Exhaust Pipe / DPF Gasket – 137.171 (BMW 18307793678)

Quick Info

OE-quality exhaust pipe gasket for BMW diesel engines.
Used at the connection before the diesel particulate filter (DPF) to prevent exhaust and boost leaks.

---

Description

ELRING 137.171 is a metal exhaust system gasket used on BMW diesel models with DPF systems.

Installed between the turbo/downpipe and DPF connection, this gasket is designed to handle high exhaust temperatures and pressure while maintaining a proper seal.

Elring is an OEM supplier commonly used in professional turbo and exhaust repairs.

---

Fitment

Engines:

• M57 3.0D
• M57N / M57N2

⚠️ Some M47 applications also use this gasket.

---

Common Models

• E90 / E91 / E92 325d / 330d / 335d
• E60 / E61 525d / 530d / 535d
• E63 / E64 635d
• E65 / E66 730d
• E83 X3 3.0d
• E70 X5 3.0d
• E71 X6 35d

---

Part Numbers

• ELRING: 137.171
• BMW OE: 18307793678
• FA1 equivalent: 100-921

---

Technical Details

• Type: Exhaust pipe / DPF gasket
• Position: Before diesel particulate filter (DPF)
• Material: Metal sealing gasket
• Inner diameter: 108mm

---

Notes

• Recommended during DPF or turbo removal
• Direct OE-style replacement
• High temperature resistant construction

---

Important

❗ Not an intake gasket
❗ Not a manifold gasket
❗ Always replace exhaust gaskets during turbo or DPF service

---

Common issues when gasket fails

• Exhaust leak noise
• Soot around DPF/turbo area
• Boost pressure loss
• Exhaust smell under vehicle

---

Fitment Summary

✔️ M57 / M57N / M57N2
✔️ DPF / exhaust pipe sealing
✔️ BMW OE 18307793678 equivalent
❌ Not for N57 applications