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      04-08-2020, 04:45 PM   #1
rob21sf
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?? Bolt thread size for F30 lower Tunnel brace??

Does anyone know what the bolt thread for the (6) Six Torx head bolts for the lower tunnel brace?

I'm needing to get longer bolts to free up some space so the brace would stop hitting the 3" exhaust.

Info appreciated.
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      04-08-2020, 05:09 PM   #2
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Try screw PN 07119907189. It's M8x25mm versus the stock bolt which is M8x18mm. That's the longer screw people (myself included) have been using when adding the F8x stiffening plate in addition to the OE one.
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      04-08-2020, 05:11 PM   #3
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2014 BMW 328i  [6.83]
The bolts holding the tunnel brace to body are:

M8X18-10.9
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      04-08-2020, 08:19 PM   #4
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Quote:
Originally Posted by FaRKle! View Post
Try screw PN 07119907189. It's M8x25mm versus the stock bolt which is M8x18mm. That's the longer screw people (myself included) have been using when adding the F8x stiffening plate in addition to the OE one.
Quote:
Originally Posted by sspade View Post
The bolts holding the tunnel brace to body are:

M8X18-10.9
Thank you both for the information.
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