GATES Diesel Injector Fuel Return Hose – MFL1225

Description

GATES MFL1225 is a replacement diesel injector leak-off / fuel return hose for BMW M57 diesel engines.

Designed to return excess fuel from the injectors to the fuel system, helping prevent fuel leaks and maintain reliable operation.

✔️ Premium GATES quality
✔️ Fuel-resistant NBR rubber
✔️ Direct OE replacement
✔️ Pre-formed fuel return hose
✔️ Suitable for BMW M57 diesel engines

Specifications

• Length: 1220 mm
• Internal diameter: 2.5 mm / 4 mm
• Material: NBR rubber
• Colour: Black

Engine Compatibility

✔️ M57D30 (306D1) – 3.0D
✔️ M57N / M57TU (306D2) – 3.0D

Common BMW Models

E46 330d / 330xd – 184–204 hp
E83 X3 3.0d – selected M57 applications
E53 X5 3.0d – 211–218 hp

These applications are listed against BMW OE 13537790330.

Part Numbers

GATES: MFL1225 / 4389-01225

BMW OE:

• 13537790330
• 13537799179

Cross References:

• BOSCH 0928400545
• BOSCH 0928402051
• VAICO V20-4060
• METZGER 0840122
• MEAT & DORIA 98105
• ORIGINAL IMPERIUM 85248

Cross-reference numbers and dimensions are supported by supplier catalogues.

Important

❗ Injector fuel return / leak-off hose – not a high-pressure fuel line.
❗ Primarily suitable for earlier M57 / M57N engines.
❗ Not confirmed for M57N2 or N57 F15 X5.
❗ Verify BMW OE number before ordering.

Fitment Summary

BMW M57 / M57N | E46 330d | E83 X3 3.0d | E53 X5 3.0d | Diesel Injector Fuel Return Hose | OE 13537790330 | GATES MFL1225