Bosch High Pressure Fuel Pump – 0445010688 (BMW 13518577655)

Quick Info

Genuine Bosch high-pressure fuel pump (HPFP) for BMW N57 diesel engines.
Supplies high-pressure fuel to the common rail injection system for precise injector operation.

Description

Bosch 0445010688 is a genuine common rail high-pressure diesel fuel pump used on BMW N57 engines.

This pump compresses diesel fuel from the low-pressure supply system and delivers it to the fuel rail at extremely high pressure for accurate injection and engine performance.

This is a Bosch OEM unit — the same manufacturer used by BMW from factory.

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Fitment

Engines:

• N57 3.0D
• N57D30A
• N57D30B

⚠️ Some early applications may cross-reference with superseded pump numbers.

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Common Models

• F10 / F11 530d / 535d
• F01 / F02 730d / 740d
• E70 X5 30d
• E71 X6 30d
• F15 X5 35d

 

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Part Numbers

• Bosch: 0445010688
• Bosch short no.: 0 445 010 688
• BMW: 13518577655

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Technical Details

• Type: High-pressure diesel injection pump (HPFP)
• System: Bosch common rail diesel
• Pump family: Bosch CP4
• Fuel type: Diesel
• OEM Bosch manufactured unit

 

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Notes

• Supplies fuel pressure to the common rail system
• Direct OEM replacement
• Commonly replaced after fuel contamination or pressure faults

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Important

❗ Not a low-pressure fuel pump
❗ Fuel system must be checked for contamination before installation
❗ Injector and rail inspection recommended if pump failure occurred

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Common issues when faulty

• Hard starting or no start
• Rail pressure faults
• Limp mode
• Metal contamination in fuel system
• Loss of power under load

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Fitment Summary

✔️ N57 diesel engines
✔️ Bosch CP4 common rail system
✔️ Genuine Bosch OEM pump
❌ Not for M57
❌ Not for N47