Bosch Electronic Throttle Body / Intake Flap Actuator – 0280751004

Quick Info

Genuine Bosch electronic throttle body used on BMW diesel engines.
Controls intake airflow and EGR operation for smoother shutdown, improved emissions control and engine response.

Description

Bosch 0280751004 is an electronically controlled throttle body (intake flap actuator) used on BMW diesel engines with EGR systems.

Unlike petrol engines, this throttle body is mainly used to:

• Assist EGR flow control
• Improve engine shutdown smoothness
• Support emissions management
• Regulate intake airflow during certain operating conditions

Manufactured by Bosch as an OEM component for BMW diesel applications.

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Fitment

Engines:

• M57N2 3.0D
• N57 3.0D

⚠️ Some applications vary by production date and intake setup — confirm via VIN.

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Common Models

• E60 / E61 530d / 535d
• E90 / E91 330d / 335d
• E70 X5 3.0d / 35d
• F10 / F11 530d
• F15 X5 30d

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Part Numbers

• Bosch: 0280751004
• Bosch: 0 280 751 004

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Technical Details

• Type: Electronic throttle body / intake flap actuator
• System: Drive-by-wire (electronic control)
• Function: Intake air regulation and EGR support
• OEM Bosch manufactured unit

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Notes

• Mounted on intake manifold / intake pipe assembly
• Works together with EGR system
• Direct OEM replacement

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Important

❗ Not a petrol engine throttle body
❗ Diesel engines use this mainly for airflow and EGR control
❗ Always confirm connector and housing style before ordering

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Common issues when faulty

• Engine limp mode
• EGR faults
• Rough shutdown / engine shudder
• Reduced power
• Intake flap actuator faults

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Fitment Summary

✔️ M57N2 = correct
✔️ N57 = correct
✔️ BMW diesel intake/EGR systems
❌ Not a fuel system component