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Old 02-04-2015, 01:55 PM   #81
SOMT
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Bump because I'm considering this instead of the TMS plates. I already have an ugly repair job from the previous owner, do you guys think this is still viable to me? The left rear mount has a 5" x 5" metal plate booger welded to the bottom of the trunk floor. Between the subframe and the floor.
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Old 02-04-2015, 03:20 PM   #82
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Originally Posted by SOMT View Post
Bump because I'm considering this instead of the TMS plates. I already have an ugly repair job from the previous owner, do you guys think this is still viable to me? The left rear mount has a 5" x 5" metal plate booger welded to the bottom of the trunk floor. Between the subframe and the floor.
Everything being equal, a welded-in Bolt Through design will be stronger/superior to a welded-in Turner M. plate kit. I don't know what shape your particular subframe is in, but once any rips or tears were welded/fixed I'd go with some type of bolt through subframe repair.


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Old 02-04-2015, 03:26 PM   #83
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Here's a picture of what I mean. So there is welding involved even with this method? I was under the assumption that it was simply a plate/washer on either end of a bolt/nut combo. I skimmed through the whole thread but maybe I missed that part.

You think even if I have a minute amount of tearing that this will still be better than the tms plates? I was planning to replace my diff and subframe bushings while doing the plates but since someone has already been in there I don't know if the bushings have been replaced recently or not.
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Old 02-04-2015, 03:33 PM   #84
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Your pic is not working.

I'll just say I'm a fan of welding things like this, but the bolt through design can just be bolted in if everything is in good working order.


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Old 02-04-2015, 03:36 PM   #85
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Fixed. So is the plate on top the part that will be welded? I can't imagine welding any other part of this.
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Old 02-04-2015, 03:47 PM   #86
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Looks like there's rust there already since the floor was left unprotected after welding...
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Old 02-05-2015, 12:17 PM   #87
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Looks like there's rust there already since the floor was left unprotected after welding...
Yep, but there's little I can do about that right now unfortunately.
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Old 02-05-2015, 01:01 PM   #88
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Fixed. So is the plate on top the part that will be welded? I can't imagine welding any other part of this.
correct. the only part that people weld with the "bolt through" method would be the top inside plate. some dont even go that far, but a large plate distributes the forces better and secures it better. some even go a large plate (brace) from top to top.
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Old 04-18-2019, 04:42 PM   #89
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Does anyone know if the M3 rear subframe brace (BMW call it a pushrod part number 33312229295) will also fit a 330i? This brace is steel instead of the standard aluminum one (part number 33321094421). I know the M3 diff mounts differently, but donít know if the mounting points for the subframe bushes and the M8 bolts to the body are the same in M and non-M cars.
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Old 04-18-2019, 07:53 PM   #90
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Any reason as to why you're interested in this? Seems to be going pretty cheap on eBay just to try. However, this thread is about reinforcing the rear subframe mounts and that looks like its for the front. Earlier in this thread people seemed to agree the front is decently reinforced from the factory as long as the rear mounts distribute their stress appropriately.
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Old 04-18-2019, 09:10 PM   #91
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Any reason as to why you're interested in this?

My aluminum one has cracked. I prefer steel as itís stronger.

The question was posted here as I couldnít see how to post a new thread from the phone app.



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