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E46 318ci Alternator tensioner adjustment

tranceamnesia

By tranceamnesia,
in BMW 3 Series Forum

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tranceamnesia Newbie

tranceamnesia

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Hi everyone. Sorry in advance if I've no obeyed protocol in any way. I'm in urgent need of help with regard the alt belt tensioner. Can anyone please tell me how to adjust it and what size allen key or torx I need. Can't fine any tutorial with this kind of tensioner. Thanks in advance

20170706_095019.jpg

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Bimmer Owners' Club

Posted
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Hi Mike

It's an automatic adjuster by the look of it and you turn the nut on the pulley with a spanner until the slot (visible in photo) aligns with a hole behind it where you then lock it off with a drill bit of the right size. You can then fit the belt and turn the pulley slightly to release the drill bit and hey presto....correct adjustment

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