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OE: 13321720102 Fuel Filter for BMW 3 Series Diesel | BMW

The 13321720102 fuel filter fits BMW 3 Series diesel models powered by M47 and selected early N47 engines.
It removes fine contaminants from diesel fuel before fuel reaches the high-pressure system.
This filter supports smooth engine operation and stable fuel delivery during daily driving.
BMW widely used this fuel filter in 3 Series diesel platforms produced between 1999 and 2011.
Cross-references include 13321709535 and WK 5001.

Overview

The OE: 13321720102 fuel filter supports clean and stable fuel delivery for BMW 3 Series diesel vehicles.
It removes fine contaminants from diesel fuel before fuel reaches the high-pressure injection system.
As a result, the engine maintains smooth operation and predictable performance during daily driving.
This fuel filter follows BMW factory specifications for durability and dimensional accuracy.

Compatibility

This fuel filter fits BMW 3 Series models equipped with M47 and selected early N47 diesel engines.
BMW applied these engines across multiple generations of the 3 Series platform.
Therefore, the filter suits vehicles operating in Europe, Asia, the Middle East, Africa, and Latin America.
Its outer dimensions and connection layout match original BMW requirements.
Moreover, technicians can install it directly without modification during scheduled service.

Material / Mechanical Design

The fuel filter features a sealed cylindrical metal housing designed for pressure stability.
In addition, the steel exterior resists corrosion during long-term exposure to diesel fuel.
The inline configuration supports secure hose connections and stable fuel routing.
At the same time, OE-grade sealing surfaces ensure reliable installation.
This construction aligns with BMW diesel fuel system standards.

Fuel Flow Stability & Engine Protection

Stable fuel delivery supports accurate injector operation.
Moreover, consistent filtration helps maintain smooth idling and balanced throttle response.
As a result, the engine delivers steady torque during city driving and highway cruising.
Clean fuel flow also reduces load on the high-pressure fuel pump.
Therefore, the filter supports long-term reliability for BMW diesel engines.

Interchangeable OE Numbers (Cross-Reference)

  • 13321709535

  • 13321439407

  • 13321270038

  • WK 5001

Typical Vehicles

  • BMW 3 Series E46 Diesel

  • BMW 3 Series E90 / E91 Diesel

Production Range

  • Production Range: 1999–2011

Sourcing & Ordering FAQ

❓ Is this product suitable for my market?

Product suitability depends on operating conditions, usage intensity, and local expectations.

We evaluate product recommendations based on real application scenarios,

not just vehicle compatibility.

❓ Do you supply OEM or aftermarket versions?

Depending on the product, we can support OEM-standard or verified aftermarket options.

The recommendation is based on quality stability, cost structure, and market positioning — not labels.

❓ Can this product be combined with other parts in one shipment?

Yes.

Consolidated sourcing across categories is one of our core strengths,

helping buyers reduce freight cost and inventory pressure.

❓ How is quality controlled before shipment?

All products are inspected before shipment.

We work with factories that maintain stable production processes rather than short-term output.

❓ Can I start with a trial order?

Yes.

Trial orders are encouraged for new cooperation,

especially for engine and cooling system service parts where consistency matters.

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