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2019+ BMW 3 AND 4-SERIES FORUMS (G2x Generation) General G20 Sedan / G22 Coupe / G26 Gran Coupe Discussions BMW engine room strut brace on M340i

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      08-24-2023, 10:15 PM   #67
lzy7977
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Originally Posted by k4sh_90 View Post
It’s an M10, 1.5 thread pitch. I just used WD-40 as a lubricant while tapping the threads. Shouldn’t need to worry about rust as moisture shouldn’t be able to get in there.
Thanks for your information. Seems like that I do not need to worry about if it is taper or plug thread.
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      08-26-2023, 05:29 AM   #68
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Originally Posted by Zeros View Post
I installed these today on my 330e. I hit them with some high temp black paint before installing. I haven't driven it yet, but do like the look of them installed.
Awesome. Where did you buy the paint?
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      08-26-2023, 07:18 PM   #69
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Originally Posted by helmet91 View Post
I “upgraded” to the Dinan bars to satisfy my OCD.

I’ve got the OEM bars in perfect condition if anyone wants to make an offer.
Where are you located?
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      08-27-2023, 02:23 AM   #70
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Originally Posted by Mastamoe View Post
Where are you located?
Sold them months ago…
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      08-29-2023, 08:13 AM   #71
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Quote:
Originally Posted by seccsc View Post
Awesome. Where did you buy the paint?
I had some high heat spray paint I bought a while ago to paint my BBQ grill and just used that. Probably overkill, but any high heat paint should work fine. It likely doesn't even get hot enough to need it, but I had the paint so I figured, why not.
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      12-20-2023, 05:13 AM   #72
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As I experienced some kind of "breakaway moment" after installing a strut brace on an E90, does this occur here, too?
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      01-01-2024, 04:47 PM   #73
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Ok, I just found out that these strut braces are stock on the G30, so there shouldn't be any comfort issues.
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      01-06-2024, 07:09 PM   #74
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2020 M340i  [0.00]
Done mine now and car handles much better at high speed and turns, I also painted the brace and the top lid cover.

I was gonna skip on the 4x 07147270121 but BMW manual states renew and i also read more about the reasons, here is brief info: A torque to yield fastener (TTY) or stretch bolt is a fastener which is torqued beyond the state of elasticity and therefore undergoes plastic deformation, causing it to become permanently elongated.

I thought i was gonna mess up the tapping process as i never done it - i cleaned the holes, applied WD40 then using drill driver i slowly turned the M10x1.5 tap in and then slowly drilled it out and finished by cleaning it and testing bolts

Mod declared to the insurance, £20 uplift for the remaining 6 months term

This is BOM from Berry Cobham BMW

Description Part Number Quatity Price Total
Connection, Upper Rear 51648491817 1 £69.11 £69.11
Strut Brace Front 51617456115 2 £34.30 £68.59
Hexagon Screw With Flange 51716966566 4 £6.13 £24.53
Torx Screw With Collar 07147270121 4 £2.75 £10.99

Here is the summary of all bolts that need torque applied during the installation process, taken from the M340i workshop manual. Note that seems strut bolts also need to be renewed if removing it and putting it back on again.

And also with the brace across MST intake is still accessible and air filter can slide out for cleaning without removing the brace. With stock intake it will not be the case, so another reasons to get MST intake
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Last edited by vadimo; 01-06-2024 at 07:43 PM..
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      01-12-2024, 11:45 AM   #75
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I did this last weekend, took about an hour and half, definete difference in the way the car feels and the front is more planted on tight curves. Thanks to all for the information!
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