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AndyV7o · Mar 16th, 2019, 22:44

Its absolutely fine.
It is only thicker when cold (which is the worst time for it to be thicker) the same when hot. However 5w is fine for uk temps, and lots of people use 5w30.
Also, if servicing has been done correctly, 164k is barely worn and does not need any change in oil spec. If it did, that would be 0w40 or 5w40, but it doesnt, so dont worry! 0w30 is still the best viscosity for the engine.

Mar 16th, 2019, 22:44	#2
AndyV7o Premier Member Last Online: Jun 21st, 2021 20:47 Join Date: Jun 2018 Location: Creswell	Its absolutely fine. It is only thicker when cold (which is the worst time for it to be thicker) the same when hot. However 5w is fine for uk temps, and lots of people use 5w30. Also, if servicing has been done correctly, 164k is barely worn and does not need any change in oil spec. If it did, that would be 0w40 or 5w40, but it doesnt, so dont worry! 0w30 is still the best viscosity for the engine. Last edited by AndyV7o; Mar 16th, 2019 at 22:47.