Preheating relay 7786821 BMW E46 318d 116hp 320d 150hp E60 E61 520d E83 E90-BMMOTORSPORT80

The preheating relay 7786821 for BMW E46 (318d 116 hp, 320d 150 hp), E60, E61 (520d), E83, and E90 is a key component of the diesel engine starting system. It controls and supplies electricity to the glow plugs before the engine starts, thus facilitating fuel ignition, especially during cold starts. This relay ensures that the glow plugs function correctly, which reduces engine starting effort, improves combustion efficiency, and decreases polluting gas emissions. Manufactured for reliability and durability, this relay is ideal for replacing a faulty model, ensuring easier starts and optimal engine operation.

M47 / M47N engine

All parts available for this vehicle BMW E46 318d

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