AJUSA Seal Ring – 16078800 (BMW 13627796699)

Description

AJUSA 16078800 is a quality replacement seal ring used in BMW diesel engines.
Made from heat-resistant rubber, it’s designed to seal components in the intake or fuel system and prevent leaks.

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Fitment

Engines:

• M57 / M57N / M57N2
• N57

Common models:

• E46 330d
• E60 / E61 525d / 530d
• E70 X5 3.0d
• F10 / F11 530d
• F25 X3 3.0d

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Part Numbers

• BMW: 13627796699
• BMW: 12140148893
• AJUSA: 16078800

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Notes

• Used as a seal ring in injector or intake-related areas
• Position can vary depending on the engine
• Best to confirm with VIN if unsure

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Important

This is an O-ring / seal, not an intake manifold gasket.

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Common issues when worn

• Air or fuel leaks
• Rough idle
• Loss of pressure