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I have about 60k miles on my 2018 GS and don't have any noise. I did have some on the right side that turned out to be a worn cam lobe.
How many miles are on your bike and how do you know it's the tensioner? Perhaps it's the oil your using or the tensioner just needs to be replaced with a new (stock BMW) one.
 
1 - 3 of 22 Posts