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They did use the correct 5-30 oil with the correct BMW part number.
The Manual Trans oil is clearly wrong although they are checking out my story that the LT3 they put in is incorrect. Is there a BMW doc I can direct them to?
They did not put down the Rear Diff oil BMW spec number, only that it was ZL90W which I guess is not an acceptable oil.
Any harm done for the miles (500) that these two have been used?
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