Quote:
Originally Posted by Leonardo629
Si is from the valve cover sealant, potassium is also used to to make sealant. I'm pretty sure potassium and si will both come down in your next sample.
Like blackstone said, if coolant was in the oil, you'd have elevated sodium since BMW coolant contains sodium hydroxide.
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Awesome, thats some good news! I just got my oil changed so next one in 3-5k I'm looking forward to all values wnl! thanks for reply and I will keep you posted!!