Serp belt tensioner replacement question

[300kplus]

What's this pin for? The old assembly didn't have one...
E39 M62 build date 2/98 non-vanos.
Thanks

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[Dwin]

That is a pin that hold the tension on the new tensioner. Once you pull it off the tensioner is fully opened. Every and any tensioner that I have replaced always comes with a pin, once installed and belt is back on you can pull
the pin and toss it in the garbage.

[300kplus]

That is a pin that hold the tension on the new tensioner. Once you pull it off the tensioner is fully opened. Every and any tensioner that I have replaced always comes with a pin, once installed and belt is back on you can pull
the pin and toss it in the garbage.

Yep. Figured it out. Thanks.

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