Thursday, November 5, 2020

Rusted/corroded spark plugs 5 and 6

I'm assuming this is the head gasket failure of all M104s? Please confirm. I just completed the wiring harness update and while changing plugs and coils, I saw this. 37,000 miles, yes, but I understand it's an age thing. Picture is of the boot on coil 6; 5 looks the same way. I know from reading here they start towards the back of the engine on the passenger side....
I'm assuming this is the head gasket failure of all M104s? Please confirm. I just completed the wiring harness update and while changing plugs and coils, I saw this. 37,000 miles, yes, but I understand it's an age thing. Picture is of the boot on coil 6; 5 looks the same way. I know from reading here they start towards the back of the engine on the passenger side....
2659458

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