Electric Coolant Water Pump for BMW N51 N52 N52N N53 Engines - D2P - 11517586925

High-quality aftermarket electric coolant water pump designed for BMW vehicles equipped with N51, ...

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OnBuy.comElectric Coolant Water Pump N51 N52 N52n N53 Engine For Bmw 1 3 5 6 X1 X3 X5 Z4 5056167427667
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eBayFOR BMW 1 3 5 6 7 X1 X3 X5 Z4 Electric Coolant Water Pump N51 N52 N52N N53
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Product Information

Full details

This D2P aftermarket electric coolant water pump is designed for DIY mechanics and automotive enthusiasts working on BMW N51, N52, N52N, and N53 engines. It provides a reliable, high-performance alternative to OEM pumps, ensuring consistent engine cooling across a broad range of BMW models. While it meets strict OEM specifications, installation is complex and requires specialized knowledge of BMW cooling systems and electronic bleeding procedures.

All features

Model Part Number11517586925
BrandD2P

Extended Product Information

FAQs

Is this a direct replacement for the original OEM pump?

Yes, it is designed to replace OEM part numbers 7586925, 7586924, 7563183, 7546994, 7545201, and 7521584.

Do I need to replace the aluminum bolts during installation?

Yes, BMW service manuals strongly recommend replacing the aluminum mounting bolts whenever they are removed, as they are torque-to-yield.

Can I drive the car without performing the electronic bleed?

No. Running the engine without bleeding the air will lead to air locks that prevent coolant circulation, likely resulting in immediate engine overheating.

Is this pump compatible with N54 or N55 engines?

This specific unit is listed for N51, N52, N52N, and N53 engines. Please verify your specific engine code before purchase.

Does the pump come with new mounting hardware?

No, this listing is for the pump itself. You should purchase the required aluminum bolt kit separately.

Troubleshooting

Engine overheating immediately after installation

The system likely has trapped air. Perform the electronic bleed cycle again to ensure all air is purged from the cooling circuit.

Pump does not activate

Check the 4-pin electrical connector for corrosion or debris and ensure the water pump fuse in the fuse box is not blown.

Coolant leak at the connection point

Ensure the O-ring on the coolant hose is seated correctly and not pinched during installation.

Pros and Cons

Pros

  • Meets or exceeds OEM specifications
  • Cost-effective alternative to dealership parts
  • Direct fit for multiple BMW chassis configurations
  • Restores proper engine temperature regulation

Cons

  • Installation requires complex air-bleeding procedure
  • High-degree of technical difficulty for beginners
  • Requires specialized tools for removing coolant lines

Setup, Compatibility & Care

This pump is compatible with various chassis including E81, E87, E90, E91, E92, E60, E61, E63, E64, E65, E66, E67, E84, E83, E70, E86, E85, and E89.

Installation requires draining the entire cooling system. Because the N52/N53 engines utilize aluminum bolts for the water pump mounting bracket, it is essential to replace these bolts with new ones to prevent snapping. After physical installation, the system must undergo an electronic bleed procedure—typically initiated by holding the accelerator pedal and running the ignition—to remove air pockets, which can otherwise cause the pump to fail or the engine to overheat.

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