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      08-27-2021, 11:44 AM   #60
drrust
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Drives: E90 M3 DCT Sedan
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Quote:
Originally Posted by jvictormp View Post
Thanks for the considerations, guys.

A clean block for 3k, as drrust mentioned, seems to be a good way to go.

By the way, I just remembered that the oil I bought in Mercado Livre (similar to ebay here in Latin America) was in a good price (not absurdly low, though), and there is half liter remaining in the garage. The seller is well reputed in the community.

Should I get a lab analysis on that oil to make sure it is genuine and not related to the problem?
Analysis of the oil would only be worth while if the system to make a claim was straightforward and low cost. I'm not sure how legal suits are handled in Brazil, but in the U.S. it would take significant time and likely money to make it through the legal process. As the remaining oil you have is in an open container, they could claim you had tampered with the sample.

You are better off waiting until you take the motor apart and see what actually failed.
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