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      08-22-2019, 08:40 PM   #6
Ryan13
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Drives: Z4MC, Z4MR, M3, E36, M2, 535
Join Date: Jul 2014
Location: Leesburg, VA

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Nice Z. Which oil to use has been absolutely beaten to death. 10-60 or 15-50 if you are tracking the car. Some of us on here have learned the hard way. Personally, the first two things I would recommend is the exhaust hub and rod bearings. If the previous owner was running 0-40, then I would be suspect of the bearings and there is no way they did the hub if they were running 0-40.

If you are around Northern VA, come by and say hello.
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