OE: 13321702632 Fuel Filter for BMW Diesel Engines | BMW

Overview

The OE: 13321702632 fuel filter is designed for BMW diesel vehicles that require clean and stable fuel delivery. This OE-matched part is supplied for export buyers handling fitment-sensitive or mixed-SKU aftermarket orders.
It supports common-rail injection systems by removing fine contaminants before fuel reaches the high-pressure pump.
This filter helps maintain smooth combustion, predictable torque output, and consistent engine response.
Its construction suits passenger cars and SUVs used in daily driving and extended highway operation.

Compatibility

This fuel filter fits BMW diesel platforms powered by the following engines:

• M47 diesel engine

• M57 diesel engine

Typical applications include BMW 3 Series, 5 Series, X3, and X5 diesel models from the early to mid-2000s.
These engines rely on accurate injection timing supported by stable fuel pressure.
The filter serves as the primary fine filtration stage within the diesel fuel system.
Its external dimensions and connection layout follow OE specifications for direct replacement.

Filtration / Material / Mechanical Design

The filter is built with a reinforced cylindrical metal housing designed to handle pressure variations during engine load changes.
Its exterior construction supports durability across temperature fluctuations and long driving cycles.
OE-grade sealing points help ensure secure installation and consistent fuel routing.
The housing design aligns with BMW standards for diesel platforms of this generation.
This construction supports reliable use in both private vehicles and higher-mileage applications.

Flow Stability & Engine Protection

Stable fuel delivery supports accurate injector operation and smooth combustion behavior.
The filter helps maintain consistent idling and dependable cold-start performance.
Clean fuel flow reduces stress on the high-pressure pump during extended operation.
By supporting fuel system stability, the filter contributes to long-term engine reliability and predictable performance.

Interchangeable OE Numbers (Cross-Reference)

• 13321702633

• 13321439407

• 13327788700

• WK 145 (aftermarket reference)

Maintenance Replacement (Official Interval)

BMW diesel service guidelines typically recommend replacing the fuel filter every 20,000–30,000 km, depending on operating conditions.
Shorter intervals are appropriate in regions with variable diesel quality.
Routine inspection during scheduled maintenance is advised.

Application & Export Notes

• OE reference verified before shipment

• Suitable for export and bulk aftermarket orders

• Fitment checked against listed vehicle models