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Glow plug relay for BMW 3 E46 (1998–2007), OEM codes 7786821 and 778682105. This relay controls the glow plug heating circuit, essential for cold-start diesel engine operation. Direct OEM match; verify the part number before ordering to ensure fitment.
Glow plug relay for BMW 3 E46 (1998–2007), OEM codes 7786821 and 778682105. This relay controls the glow plug heating circuit, essential for cold-start diesel engine operation. Direct OEM match; verify the part number before ordering to ensure fitment.
