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      09-12-2020, 12:59 AM   #5
frankc
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Drives: 1998 E36 M3/4, 2011 E90 M3 ZCP
Join Date: Feb 2020
Location: Austin, TX

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Just to avoid the over-torquing of tensioner bolts 1 and 2 and possibly damaging the block, they are silver zinc (ZNS) M8 8.8, not M10. The torque spec for M8 8.8 ZNS is 19NM per TIS:

[edit] I was installing this tensioner today and noticed that bolt #1 was M8 10.9, not 8.8. Bolt #2 is M8 8.8. I used the 8.8 spec for for both (19Nm)

https://www.newtis.info/tisv2/a/en/e...ations/5gDQK89

The bolt for the power steering & A/C deflection pulley is an M10 and requires special torque as specified in TIS:

https://www.newtis.info/tisv2/a/en/e...lement/5yhnA2X

Last edited by frankc; 09-27-2020 at 06:02 PM..
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