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23 R18 classic transmission/differential first oil change

  • <i class="fa--xf fal fa-check "><svg xmlns="http://www.w3.org/2000/svg" role="img" aria-hidden="true" ><use href="/data/local/icons/light.svg?v=1789222567#check"></use></svg></i> Discussion starter Discussion starter FunSensei
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FunSensei

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Joined
Jun 19, 2025
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4
Location
Indianapolis,Indiana
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2023 BMW R18 classic
Hi folks. Just turned about 2000 miles on my 23 R18 classic.I do all my own motorcycle maintenance. Work as a professional for a number of years. I don’t like anyone working on my motorcycle when I’m capable of doing it myself. Even though I only have 2000 miles on my motorcycle I want to change the transmission and the rear differential oil. I know it’s early but early makes me happy. I think what BMW gets for the transmission/differential oil is ridiculous! In doing some research myself I want to stay in the recommended viscosity.70W-80. I ordered two bottles of Ravenol synthetic 70W-80 that is also made in Germany.Received high ratings.Just posting this and see what your thoughts might be on this product..All you have a blessed day
 

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I used the Mopar gear oil.
 
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