BMW Injection Pump Gear – 13527800025

Quick Info

Genuine BMW injection pump gear used in common rail diesel engines.
Drives the high-pressure fuel pump and ensures correct fuel pressure generation.

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Description

BMW 13527800025 is a fuel pump drive gear fitted to BMW diesel engines with common rail injection systems.

It transfers rotation from the timing system to the high-pressure fuel pump, allowing the pump to generate the required rail pressure for injector operation.

Precision-machined for accurate fuel pump timing and smooth operation.

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Fitment

Engines:

• N47 2.0D
• N57 3.0D

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Compatible Brands

• BMW
• MINI

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Common Models

BMW:

• E90 / E91 320d
• F20 118d / 120d
• F30 320d
• F10 / F11 525d / 530d
• X3 / X5 diesel models

MINI:

• Cooper D
• One D

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Part Numbers

• BMW: 13527800025
• BMW: 13 52 7 800 025

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Technical Details

• Type: Injection pump gear / sprocket
• Position: High-pressure fuel pump drive
• Material: Hardened steel
• Precision-machined OE design

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Notes

• Used with common rail diesel fuel systems
• Mounted on high-pressure fuel pump assembly
• Often inspected during timing chain or fuel pump repairs

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Important

❗ Not a timing chain kit
❗ Not a fuel pressure sensor or valve
❗ Always confirm by VIN before ordering

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Common issues when faulty

• Fuel pressure faults
• Gear wear or damage
• Fuel pump timing issues
• Abnormal drivetrain noise